Which states will redistrict before the midterms?
Short Answer
Florida is expected to redistrict before the midterms, with the market pricing this outcome at 98.2%.
1. Market Behavior & Drivers
The market's low probability indicates it was likely pricing a specific outcome, such as the total number of states enacting new maps exceeding a certain threshold. The final price collapse in late October 2026 reflects the closing of the window for any additional states to complete redistricting before the November 1 deadline. This followed earlier reports from the Associated Press and the National Conference of State Legislatures establishing that nine states, including North Carolina, Louisiana, and Ohio, had already finalized new maps for the 2026 cycle.
With the process in those states having concluded months prior, the market had priced in only a slim chance of a last-minute legislative session or court order forcing a redraw elsewhere. The sharp drop from 2.2% to 0.2% represents that small possibility expiring as the resolution date neared with no new developments. The majority of trading volume occurred at the market's open, with activity ceasing as the outcome became a near certainty.
- Since last update (~84d): Missouri's model probability for redistricting dropped by 96.0pp, with the market tracking this significant decline.
- Alabama's likelihood to redistrict fell 80.4pp, market-led, causing the edge to flip.
- Headline model probability surged 98.1pp; the edge flipped to model-led, compressing by 0.8pp.
- California, Florida, North Carolina, and Texas had redrawn maps for 2026 midterms.
- North Carolina's 2025 map survived legal challenges, remaining in use for 2026 elections.
- Maryland and New York appear unable to enact new maps for 2026.
Current Context
Nine states have new U.S. House districts for the 2026 midterms. These states include Alabama, California, Florida, Louisiana, North Carolina, Ohio, Tennessee, Texas, and Utah [1][2]. The Associated Press reports that these changes could yield a Republican gain of up to nine seats if the maps perform as intended [1]. Enacted or operative 2026-cycle maps include Louisiana (May 29, 2026), Tennessee (May 7, 2026), Ohio (October 31, 2025), and North Carolina (October 22, 2025), along with other states tracked by NCSL [2].
Prediction markets identify eight states using new maps for the midterms. These markets, tracking through October 30, 2026, show California, Texas, Florida, Louisiana, Tennessee, North Carolina, Ohio, and Utah with roughly 95%–99% implied probability of using new maps [3][4][5]. Market definitions require formal adoption, survival of court challenges, and use in the next federal election, leading to variation in specific lists and timing [3][4][5]. Kalshi and Public markets on this topic are scheduled to close November 1, 2026 [3][4]. Missouri's 2025 congressional maps are on hold due to a Missouri Supreme Court decision placing a repeal referendum on the November 2026 ballot, restoring the 2022 maps until the vote [2]. States unlikely to have new maps in effect for the 2026 midterms include Maryland, where a proposed constitutional amendment would enable redistricting after 2026; New York, whose proposal requires another legislative approval; and South Carolina, where map legislation died in the Senate [2].
Mid-decade redistricting generally gives Republicans an initial House advantage. Expert commentary suggests that while these efforts, largely driven by Republicans in the South and by presidential pressure, may shift several districts, the aggregate effect is limited and uncertain [6][7][8][9][10]. Litigation, map implementation, turnout, and unintended partisan consequences can offset designed gains [6][7][8][9]. Brookings warns aggressive maps can backfire in competitive districts [7]. Harvard Law states the overall effect should be relatively muted [8]. Harvard Kennedy School reports a consensus expectation of a net Republican seat gain [9]. New maps alone do not determine the national House outcome [6][10].
Sources (10)
- 19 states have new US House districts for midterm elections | AP Newsapnews.com
- 2Changing the Maps: Tracking Mid-Decade Redistrictingncsl.org
- 3Which states will redistrict before the midterms?kalshi.com
- 4Which states will redistrict before the midterms? Odds & Predictions - Public.compublic.com
- 5https://polymarket.com/event/which-states-will-use-new-congressional-maps-in-the-midtermspolymarket.com
- 6Trump's redistricting gave Republicans a head start in the House: NPRnpr.org
- 7Please Discuss... the shifting map of the 2026 midterm elections | Brookingsbrookings.edu
- 8Will gerrymandering decide the midterms? - Harvard Law School | Harvard Law Schoolhls.harvard.edu
- 9Explainer: What’s happening with gerrymandering in the United States—and who will “win” the redistricting battle? | Harvard Kennedy Schoolhks.harvard.edu
- 10How redistricting shaped the 2026 midterm elections | AP Newsapnews.com
2. Price Chart
Historical Price (Probability)
Outcome probability
Date
3. Market Data
Contract Snapshot
For each individual state listed, the market resolves YES if that state successfully completes a redistricting process before November 1, 2026. If the state does not complete redistricting by this specific date, the market for that state resolves NO. November 1, 2026, is also identified as the maximum payout date for these markets.
Market Discussion
As of October 30, 2026, ten states have adopted new congressional maps or have them in use for the upcoming midterms: Alabama, California, Florida, Louisiana, Missouri, North Carolina, Ohio, Tennessee, Texas, and Utah [1][2][3]. Prediction markets as of October 28–30, 2026, show high confidence (95%–99% Yes) for seven of these states—Texas, Ohio, North Carolina, California, Florida, Tennessee, and Louisiana—while Alabama and Utah are considered speculative, with their odds varying significantly by platform [4][5][6][7]. Virginia, previously considered a likely redraw, is no longer treated as such by market consensus after its effort was blocked, making it and most other speculative states unlikely to redistrict before the midterms [3][8].
Sources (8)
- 1Changing the Maps: Tracking Mid-Decade Redistrictingncsl.org
- 2Redistricting ahead of the 2026 electionsballotpedia.org
- 3How redistricting shaped the 2026 midterm elections | AP Newsapnews.com
- 4Which states will redistrict before the midterms?kalshi.com
- 5Which states will redistrict before the midterms? — oddselectionodds.live
- 6https://polymarket.com/event/which-states-will-use-new-congressional-maps-in-the-midterms?r=kooespolymarket.com
- 7Which states will redistrict before the midterms? | PredictPediapredictpedia.com
- 82025-2026 Mid-Decade Redistricting Mapcookpolitical.com
4. Trust Index
Integrity risk· Resolution quality
How it adds up
Integrity80% of score72Good
Resolution quality is low (30), but Integrity averages all three scores, so the other two pull it up. Only a critically low score would cap the total.
Trade quality20% of score30High Risk
Includes the cost to trade: a $10,000 order can't be filled here because the order book is too thin.
Trust score63Caution
Weighted blend with hard caps — a critically weak safety pillar, or a severe trading anomaly, caps the total regardless of the rest. Full methodology · About the Trust Index
Trust profile
Integrity4 screens run · 6 don't apply
5. What are the key factors influencing the outcome of Missouri's November 2026 referendum on its 2025 congressional maps?
| Referendum Date | November 3, 2026 [1] |
|---|---|
| August Poll Results | 35% Yes, 32% No, 33% Unsure (statistical tie) [2] |
| Campaign Spending Against Map | approximately $7 million (versus $3 million in support) [2] |
Legal control over the operative congressional map is a primary factor. The outcome of Missouri's November 2026 referendum on its 2025 congressional maps is heavily influenced by the legal control determining which map is operative, particularly given conflicting court orders [3][4][1]. The Missouri Supreme Court mandated the use of the 2022 map during the referendum process, while a separate federal district judge ordered the implementation of House Bill 1 (HB 1). Justice Kavanaugh's decision not to stay the state-court order led to these conflicting directives, which have introduced significant resolution risk and contributed to unusual market pricing instability [3][4][1][5]. As the referendum itself is scheduled for November 3, 2026, after the November 1, 2026 resolution date of a relevant prediction market, court orders and the interpretation of election phases are decisive factors [1][5].
Political stakes, campaign framing, and voter comprehension are key. Intense political stakes, campaign framing, and voter comprehension significantly influence the November 3, 2026 referendum [6][7][2]. House Bill 1 was championed by Republicans, reportedly at President Trump’s request, with the goal of improving the GOP’s position and potentially creating a 7–1 Republican delegation by targeting Democratic Rep. Emanuel Cleaver’s district [7][2]. Supporters of the measure advocate for a Yes vote to retain the enacted map, while opponents frame it as approving a mid-decade partisan gerrymander. Potential confusion arising from ballot language and the fact that a No vote would restore the familiar status quo could significantly impact low-information voters [6][7][2].
Public opinion and campaign funding reveal a close contest. Market-reporting evidence from an August poll indicated a statistical tie, showing 35% Yes, 32% No, and 33% unsure [2]. This large undecided bloc, along with turnout composition and late campaign spending, are critical drivers for the outcome [2]. While not independently confirmed, the same report estimates approximately $7 million has been raised against the map compared to $3 million in support [2]. The referendum qualified for the ballot after People Not Politicians submitted over 300,000 signatures, with the state Supreme Court ultimately placing the measure on the ballot following litigation [3][1].
Sources (7)
- 1Which States Are Redistricting Before The Midterms | Kalshi | OddsShopperoddsshopper.com
- 2Missouri passes ballot measure to redistrict?polymarket.com
- 3Missouri redistricting referendum faces its final legal test...democracydocket.com
- 4Dueling Court Orders Throw Missouri’s Congressional Map Into...political.org
- 5Which states will redistrict before the midterms? · ClearMarketclearmarket.fyi
- 6Missouri voter guide: Amendments and propositions on...kcur.org
- 7Prop A will determine Missouri's Trump-backed...stlpr.org
6. What is the consensus among political analysts like the Cook Political Report and Sabato's Crystal Ball on the net seat change for Republicans from the 2026 mid-decade redistricting in Florida, North Carolina, and Texas?
| Estimated GOP gains (FL, NC, TX redistricting) | +5 to +8 net U.S. House seats, central estimate +6 (Cook Political Report, Sabato's Crystal Ball) [1][2][3] |
|---|---|
| Cook Political Report total GOP gains (2025–26 cycle) | About 3 net U.S. House seats (September 10, 2026 tracker) [1] |
| Sabato's Crystal Ball total GOP gains (2025–26 cycle) | R+2–6 range (September 15 scorecard) [3] |
Political analysts forecast significant Republican gains from key state redistricting. Major political analysis organizations, including the Cook Political Report and Sabato's Crystal Ball, project that Republicans are likely to gain approximately +5 to +8 net U.S. House seats from the 2026 mid-decade redistricting specifically in Florida, North Carolina, and Texas, with a central estimate near +6 seats [1][2][3]. Florida and Texas have already enacted new congressional maps for the 2026 midterms, while North Carolina is also in the process of redrawing its lines [4].
State-specific projections highlight varied Republican pickup opportunities. Sabato's Crystal Ball's latest analysis for these states shows Florida potentially yielding R+2–4 seats, North Carolina R+0–1, and Texas R+3 [3][5][6]. While Florida's map was designed for up to four GOP pickups, analysts consider opportunities such as FL-14 and FL-25 as competitive races [7][8]. North Carolina's main opportunity for a Republican gain is a single seat centered on NC-1, which is currently viewed as a Toss-up [2][3][6]. Texas is considered the most stable of the three, with two targeted Democratic incumbents, Henry Cuellar and Vicente Gonzalez, remaining competitive enough to limit potential gains despite the R+3 estimate [3][6].
Broader redistricting projections suggest more modest nationwide Republican gains. For the entire 2025–26 mid-decade redistricting cycle, the Cook Political Report's September 10, 2026 tracker indicates a consensus of about 3 net U.S. House seats gained by Republicans [1]. Sabato's Crystal Ball's September 15 scorecard for the entire cycle provides a broader range of R+2–6, attributing this wider range to four races that remain classified as Toss-ups [3].
Sources (8)
- 12025-2026 Redistricting Tracker: How Many Seats Could Flip? | Cook Political Reportcookpolitical.com
- 2Checking in on the Redistricting Arms Race | Cook Political Reportcookpolitical.com
- 3GOP Redistricting Edge Blunted by Missouri Reverting to Old Map, Overall Environment - Sabato's Crystal Ballcenterforpolitics.org
- 42025-2026 Mid-Decade Redistricting Map | Cook Political Reportcookpolitical.com
- 5Taking Stock of the 2026 House Map: An Update - Sabato's Crystal Ballcenterforpolitics.org
- 6Estimating the GOP Edge from Redistricting: A State-by-State Accounting, with Caveats - Sabato's Crystal Ballcenterforpolitics.org
- 7GOP Could Flip as Many as Four Seats Under New Florida Lines | Cook Political Reportcookpolitical.com
- 8How We Would Rate the New Proposed Florida Gerrymander - Sabato's Crystal Ballcenterforpolitics.org
7. How do the legal challenges against North Carolina's 2025 map compare to those faced by Louisiana's 2026 map in terms of legal theory and potential for judicial intervention before November 2026?
| North Carolina map challenge outcome | Case dismissed in January 2026 [1][2][3] |
|---|---|
| Louisiana map Supreme Court ruling | Affirmed unconstitutional on April 29, 2026 [4][5][6][7] |
| North Carolina likelihood to qualify (Oct 2026) | Roughly 98.7% [8][9][10][11][12] |
North Carolina's 2025 map survived legal challenges before the 2026 elections. This voluntary mid-decade Republican redraw faced allegations of racial vote dilution or retaliation under the First, Fourteenth, and Fifteenth Amendments, as well as Section 2 of the Voting Rights Act [1][2][3][13]. Republicans argued that the line-drawing was based on partisan considerations rather than race, and that claims of partisan gerrymandering were non-justiciable [1][2][3]. An immediate attempt to obtain a judicial injunction to block the map before the 2026 elections was unsuccessful, with a three-judge federal panel denying the request and permitting the map's use. Challengers subsequently voluntarily dismissed their case in January 2026, without an appeal [1][2][3].
Louisiana's redistricting efforts faced successful judicial intervention and map invalidation. Litigation in Louisiana initially stemmed from pressure to create a second majority-Black district under Section 2 of the Voting Rights Act, which led to the enactment of the SB8/2024 map [4][5][6][14]. This map was then challenged by non-African-American voters, who argued it constituted an unconstitutional racial gerrymander under the Fourteenth Amendment [4][5][6][14]. On April 29, 2026, the Supreme Court affirmed the unconstitutionality of Louisiana's map, ruling that Section 2 of the VRA did not necessitate the additional district and therefore could not justify race-predominant districting [4][5][6][7]. This Supreme Court decision prompted Louisiana's governor to postpone the congressional primary, and the legislature enacted a replacement map on May 29, 2026, which effectively dismantled a Democratic-held majority-Black seat [15][16][17].
Louisiana exhibited greater potential for pre-election judicial intervention than North Carolina. As of October 30, 2026, Louisiana's prior map had already been invalidated, prompting new legislation and changes to the election timetable, which demonstrated a higher potential for judicial intervention before November 2026 [1][2][4][5][15][16]. In contrast, North Carolina's map had withstood an injunction bid, and its legal challenge was ultimately dismissed [1][2][3]. Despite Louisiana's more active litigation history, market snapshots taken around October 28-30 indicated that North Carolina was approximately 98.7% likely to qualify, while Louisiana's likelihood was estimated at roughly 95.1%-97% [8][9][10][11][12].
Sources (17)
- 1North Carolina voters back out of case challenging 2025...courthousenews.com
- 2Court allows North Carolina's new Republican-drawn US...reuters.com
- 3NC groups ask court to block new congressional map for...ncnewsline.com
- 4Louisiana v. Callais | 608 U.S. ___ (2026)supreme.justia.com
- 5Louisiana v. Callaiscongress.gov
- 6In major Voting Rights Act case, Supreme Court strikes...scotusblog.com
- 7Supreme Court Limits Voting Rights Act, Strikes Down...quarles.com
- 8Which states will redistrict before the midterms? — oddselectionodds.live
- 9Which states will redistrict before the midterms? Odds & Predictions 2025kalshi.com
- 10What states will redistrict before the 2026 Congressional elections? | Paritypredictparity.com
- 11What states will redistrict before the 2026 Congressional elections? | Paritypredictparity.com
- 12Which states will redistrict before the midterms? Odds & Predictions 2025kalshi.com
- 13Voters, Pro-Democracy Groups Seek to Stop Retaliatory...aclu.org
- 14Supreme Court strikes down Louisiana congressional...lailluminator.com
- 15US Supreme Court lets Voting Rights Act ruling take effect ahead of schedule | Reutersreuters.com
- 16Louisiana approves new US House map eliminating Democratic majority-Black seat | Reutersreuters.com
- 17US Supreme Court guts key provision of Voting Rights Act | Reutersreuters.com
8. Are post-redistricting voter registration statistics by party affiliation available for the newly drawn 2026 congressional districts in Florida and Texas?
| Official voter registration by district | Not clearly published for 2026 congressional districts in Florida and Texas as of October 30, 2026 [1] |
|---|---|
| Florida new congressional map enacted | May 4, 2026 [2] |
| Texas registered voters (March 2026 primary) | 18,657,918 [3][4] |
Official post-redistricting voter registration data for 2026 districts remains unavailable. As of October 30, 2026, complete official voter registration statistics by party affiliation for the newly drawn 2026 congressional districts in Florida and Texas are not clearly published [1]. Although post-redistricting district boundaries are available for both states, a comprehensive official table detailing district-by-party voter registration is not readily accessible [1]. Public analyses do provide partisan proxies or estimates for these new districts; however, these are distinct from official post-redistricting party-registration counts [5][6][7][8].
Florida's official reports lack specific district-level party registration. Florida enacted its new congressional map on May 4, 2026 [2]. However, the state's official latest registration report, current as of September 30, 2026, details total registered voters and party affiliations only at the county level [1]. This report does not provide data specific to the new congressional districts, indicating that official district-level party registration counts are not available through state-published reports [1].
Texas's unique system does not record party affiliation during registration. Texas enacted its congressional map in 2025, with its use permitted by the Supreme Court in 2026 [8]. Unlike Florida, Texas does not require voters to register with a specific party; instead, voters select a party primary at the time of voting [3]. While the Texas Legislative Council's DistrictViewer offers demographic and voter statistics for new districts, it is not established that it provides party-affiliation registration counts [9]. For the March 3, 2026 primary, the state reported 18,657,918 registered voters overall [3][4].
Sources (9)
- 1Voter Registration - By County and Partydos.fl.gov
- 2Redistricting in Florida ahead of the 2026 electionsballotpedia.org
- 3Voter Registration and Unofficial Early Voting Figuressos.texas.gov
- 4Secretary Nelson announces 18.7 million registered voters for the March 3 Primary Electionsos.texas.gov
- 5How Florida's new voting maps favor white votersmiamiherald.com
- 6Florida redistricting: DeSantis overstates voters' shift from...wlrn.org
- 7Texas Majority PAC Redistricting Analysistexasmajoritypac.com
- 8Redistricting ahead of the 2026 electionsballotpedia.org
- 9new redistricting map - DistrictViewer - Texas.govdvr.capitol.texas.gov
9. What specific legislative and procedural hurdles must be overcome for Maryland or New York to enact new congressional maps for the 2026 midterms, according to state law and recent legislative activity?
| Maryland HB 2100 General Assembly Passage | August 4, 2026 [1][2][3][4][5][6] |
|---|---|
| Maryland Voter Ratification for HB 2100 | November 2026 [1][2][3][4][5][6] |
| New York S10637-A/A11553 Second Legislative Passage Required | January 2027 [7][8][9][10][11][6] |
New congressional maps for 2026 midterms appear unattainable in Maryland and New York. Both states encounter significant legislative and implementation obstacles that prevent new congressional maps from being in effect for the 2026 midterm elections. These hurdles include complex constitutional amendment processes that defer operative mapmaking or necessitate voter approval beyond the general election cycle's November 1, 2026 cutoff date, and the potential for extensive judicial review [6][12][13][14].
Maryland's legislative efforts face insurmountable procedural and timeline challenges for 2026. House Bill 2100, which proposes a constitutional amendment and passed the General Assembly on August 4, 2026, cannot practically enact a new map for the 2026 midterms. Its operative map authority is explicitly contingent on voter ratification in November 2026 and is primarily aimed at the 2028 or 2030 elections, further requiring a separate future redistricting law even after ratification [1][2][3][4][5][6]. An earlier 2026 legislative vehicle, House Bill 488, failed to receive action in the Senate before the regular session concluded on April 13, thus not achieving the necessary bicameral legislative approval for a 2026 map [1][2][3][4][15][16][6].
New York's proposed constitutional changes cannot impact 2026 redistricting due to its multi-stage amendment process. The June 2026 proposal, S10637-A/A11553, requires passage by a second consecutive Legislature, which would not be seated until January 2027. This must then be followed by voter approval at a general election, pushing the earliest practical use of any new map to 2028 [7][8][9][10][11][6]. Although this proposed amendment would permit mid-decade redistricting and alter legislative map-adoption thresholds, none of these specific changes would become operative prior to the 2026 midterms. Furthermore, under current New York procedure, the Independent Redistricting Commission holds primary responsibility for map creation, and bypassing or prematurely replacing it carries a major procedural litigation risk, as demonstrated by the 2022 invalidation of legislative maps due to an improperly completed commission process [7][8][9][11][6].
Sources (16)
- 12026 Regular Session - Senate Bill 2102 First Readermgaleg.maryland.gov
- 2House set to give final approval to redistricting...marylandmatters.org
- 3What to Expect from Maryland's August 2026 Special Sessionmd.aft.org
- 42026 Special Legislative Session on Redistrictingcommoncause.org
- 5Redistricting in Maryland ahead of the 2028 electionsballotpedia.org
- 6Changing the Maps: Tracking Mid-Decade Redistrictingncsl.org
- 7NY State Senate Bill 2025-S10637Anysenate.gov
- 8A11553 Summarynyassembly.gov
- 9Breaking down New York's proposed redistricting...spectrumlocalnews.com
- 10N.Y. legislature approves redistricting amendmentspectrumlocalnews.com
- 11New York Lawmakers Approve Amendment Allowing Mid...redistrictingonline.org
- 12Redistricting Odds 2026: The Court That Took Missouri Off The Board | OddsShopperoddsshopper.com
- 13Which states will redistrict before the midterms? — oddselectionodds.live
- 14Which states will redistrict before the midterms? Prediction Marketrobinhood.com
- 152026 Regular Session - House Bill 488 First Readermgaleg.maryland.gov
- 162026 Regular Session - House Bill 488 Third Readermgaleg.maryland.gov
10. What Could Change the Odds
Key Catalysts
As of October 30, 2026, nine states had redrawn congressional maps in use for the 2026 midterms: Alabama, California, Florida, Louisiana, North Carolina, Ohio, Tennessee, Texas, and Utah [1][2][3][4]. The primary catalysts for this redistricting wave were the Supreme Court’s Louisiana v. Callais ruling and subsequent Voting Rights Act uncertainty, coupled with President Trump’s push for Republican-favorable maps [1][2][4][5][6][7]. These factors directly accelerated or enabled redraws in Louisiana, Alabama, Tennessee, Florida, and related states [1][2][4][5][6][7]. Map changes bullish for Republicans were concentrated in Alabama, Florida, Louisiana, North Carolina, Ohio, Tennessee, and Texas, with reported intended gains from roughly one seat in Ohio and Tennessee to as many as four in Florida and five in Texas [2][4][5][6][7]. California’s Democratic map targeted up to five Republican-held seats [2][4].
Conversely, redistricting efforts faced limits elsewhere. Indiana’s 2025 special-session effort failed, Georgia refused to enact a map in June 2026, South Carolina legislation died in the Senate, Mississippi did not proceed with congressional redistricting, and Virginia’s proposed Democratic map was blocked by its state Supreme Court [1][2][4]. Missouri is a special case; its 2025 map is paused pending a November 3 referendum, with the 2022 map temporarily governing [1][2][4]. States like Maryland, New York, Washington, Colorado, and New Jersey have plausible post-midterm or 2027-2028 redistricting paths, but these generally would not affect the 2026 election and are not pre-November 1, 2026 catalysts [1][2][8].
Key Dates & Catalysts
- Expiration: November 08, 2026
- Closes: November 01, 2026
Sources (8)
- 1Changing the Maps: Tracking Mid-Decade Redistrictingncsl.org
- 2How redistricting shaped the 2026 midterm elections | AP Newsapnews.com
- 3Mid-Decade Congressional Redistricting: Key Issuescongress.gov
- 4A look at what states are redistricting ahead of the midterm elections | AP Newsapnews.com
- 5Republican governors pursue new congressional maps...reuters.com
- 6Which states might redraw congressional maps in 2026, 2028 after Supreme Court's Voting Rights Act ruling - ABC Newsabcnews.com
- 7These states could try to redistrict and add more GOP seats for the 2026 midterms after Supreme Court decision - CBS Newscbsnews.com
- 8Why the redistricting fight is likely to stretch beyond the 2026 midtermsnbcnews.com
