Democratic House control

Democrats Win the US House

Likely Democratic Seats - 230
Updated: 2026-09-16T02:02:23 EDT
Share of House: 52.9%
Market-based odds across key competitive House district contracts. View Senate Forecast

How often it updates

This report updates once per hour. Each refresh runs the House forecast script and publishes an updated market-implied probability.

What prediction market it uses

The underlying data comes from Polymarket House district markets. This is a market-implied signal rather than a polling model.

Methodology

Starting from a base of safe Democratic seats, the model evaluates probabilities in competitive districts and estimates the chance Democrats win enough additional seats to reach a majority.

Trend

Likely Democratic seats trend chart

Summary

Likely Democratic Seats230
Seats Required for Majority218
Solid Democratic Seats167
Toss Ups above 50% D62
Projected Democratic Seats230
Likely Democratic Share52.87%
Total House Seats435

Tossup Races (CSV)

DistrictPct Likely Democrat WinLast WkLast Mt
AK-1N/AN/AN/A
AZ-173.0%73.0%74.0%
AZ-229.0%27.5%37.0%
AZ-398.2%98.2%97.5%
AZ-494.5%94.5%93.5%
AZ-58.5%8.5%12.0%
AZ-682.5%82.5%82.5%
AZ-795.5%95.5%95.5%
AZ-815.5%17.0%17.5%
AZ-93.9%3.6%3.7%
CA-196.9%96.9%93.5%
CA-296.0%93.5%93.5%
CA-395.5%94.5%93.5%
CA-496.2%96.0%95.5%
CA-56.6%5.2%11.0%
CA-1391.5%94.0%89.5%
CA-22N/AN/AN/A
CA-4888.5%88.5%88.5%
CA-5195.5%95.0%94.5%
CA-5295.3%95.3%96.2%
CO-196.9%97.5%95.5%
CO-295.0%95.0%95.0%
CO-333.5%34.5%35.5%
CO-435.5%32.5%36.5%
CO-534.0%31.0%28.0%
CO-694.5%94.5%94.5%
CO-793.5%93.5%93.5%
CO-874.5%78.0%73.0%
FL-733.0%32.5%33.5%
FL-82.1%7.5%11.0%
FL-936.0%31.0%24.0%
FL-1097.5%97.6%94.5%
FL-1324.5%29.0%24.0%
FL-1464.5%65.5%59.5%
FL-2243.0%43.5%38.0%
FL-2571.0%79.0%73.5%
FL-285.5%5.5%6.5%
IN-193.5%93.5%83.5%
IN-24.5%4.5%5.5%
IN-34.5%4.5%5.5%
IN-45.5%5.5%6.5%
IN-515.5%15.5%18.5%
IN-64.5%4.5%5.0%
IN-797.2%96.5%95.5%
IN-82.7%2.5%0.9%
IN-95.5%5.5%6.5%
IA-174.0%71.0%73.0%
IA-254.0%44.5%40.0%
IA-373.5%76.0%76.0%
IA-46.5%6.5%6.5%
MI-444.0%45.0%51.5%
MI-751.5%51.0%62.0%
MI-892.0%92.5%93.5%
MI-1063.5%63.5%62.0%
MI-1196.5%96.5%96.5%
MI-1295.9%95.7%94.5%
MI-1397.6%96.7%96.8%
MT-137.5%37.5%36.5%
MT-25.0%5.0%5.5%
NE-18.5%16.5%16.0%
NE-290.5%89.0%80.0%
NE-32.5%2.6%2.9%
NV-194.5%90.5%89.5%
NH-189.2%89.0%86.2%
NH-292.7%92.8%93.0%
NJ-783.0%69.0%81.5%
NM-288.5%88.5%88.5%
NY-392.0%92.5%85.5%
NY-492.5%88.5%83.0%
NY-1756.5%67.5%66.0%
NC-163.5%61.5%57.5%
NC-1162.5%66.0%64.0%
NC-1413.5%13.5%17.0%
ND-1N/AN/AN/A
OH-187.0%85.7%91.5%
OH-26.5%6.5%6.5%
OH-395.5%95.5%94.5%
OH-44.5%4.5%5.5%
OH-55.5%5.5%6.5%
OH-64.5%4.5%5.5%
OH-778.5%77.5%76.5%
OH-810.5%10.5%10.5%
OH-973.5%63.5%73.5%
OH-1017.0%17.5%17.5%
OH-1198.5%98.5%96.4%
OH-124.5%4.5%6.5%
OH-1393.0%93.0%93.0%
OH-146.0%6.0%8.6%
OH-1520.5%22.0%19.0%
OR-696.0%96.0%94.0%
PA-140.5%44.0%45.0%
PA-294.5%94.5%95.0%
PA-774.5%80.5%76.0%
PA-862.5%63.5%53.5%
PA-1078.5%78.0%78.5%
PA-112.7%0.9%8.5%
SD-1N/AN/AN/A
TX-12.4%4.5%5.5%
TX-1010.0%10.5%12.5%
TX-1564.5%55.5%48.0%
TX-262.1%8.5%9.5%
TX-2882.5%74.0%82.0%
TX-3475.5%74.5%73.0%
VT-1N/AN/AN/A
VA-139.5%44.0%54.5%
VA-281.5%81.5%84.0%
WA-388.5%86.5%87.5%
WI-134.0%32.0%26.5%
WI-297.2%97.2%96.8%
WI-370.5%70.5%70.5%
WI-496.5%96.5%99.5%
WI-54.0%3.6%7.1%
WI-66.3%5.6%16.1%
WI-74.4%3.5%12.0%
WI-89.0%8.5%17.5%