2026 Congressional forecast

Democrats are slightly favored to take Congress.

Republican control of Congress is unlikely (about 1 in 4).

One model, run nightly. It reads the race ratings, the polling, and each state’s partisan baseline, then simulates the whole map tens of thousands of times. The numbers below are the share of those simulations each party wins. Read it as odds, not a prediction.

These are probabilities, not predictions, and the margin of error is wide this far from Election Day. Polls are right on average but miss in any single race.

Who controls the next Congress? 10,000 simulations
  • D both 49%
  • Split 23%
  • R both 28%

Democrats control both chambers 49%, split control 23%, Republicans control both chambers 28%.

Seat distributions

Senate seats 51 D · 49 R median

Lean D · 38% R majority odds

80% range (R seats): 46–54

Democratic majority Republican majority
House seats 220 D · 215 R median

Toss-up · 43% R majority odds

Moving toward Democrats R control of Congress -2 pts. Senate R odds +1 pts, median no change. Over 1 day.
By signal

What each signal says on its own

The model fuses three independent signals. Here is where each one lands by itself, before fusion. When they disagree, the spread is the uncertainty.

Senate
Ratings only
50R median
38% R majority
35 races
Polls only
38R median
<1% R majority
18 races
Partisan baseline only
52R median
67% R majority
35 races

Polls only covers the 18 of 35 Senate races with polling the model can still use. The other 17 have no public polling, or none inside the age cutoff, or none carrying a date we can read, so they sit out this single-signal view and its majority odds read low. Do not read them on their own.

House
Ratings only
215R median
42% R majority
435 races
Polls only
6R median
<1% R majority
39 races
Partisan baseline only
215R median
45% R majority
435 races

Polls only covers the 39 of 435 House races with polling the model can still use. The other 396 have no public polling, or none inside the age cutoff, or none carrying a date we can read, so they sit out this single-signal view and its majority odds read low. Do not read them on their own.

Scenarios

What if the national mood shifts?

These pin the national environment to a fixed shock and re-run the seats. Pick a scenario to see how the chambers respond.

Senate 48D · 52R 68% R majority
House 209D · 226R 71% R majority

Race by race

The model’s odds for every modeled race. Read them as odds, not calls. The most competitive races are listed first.

Updated September 2, 2026

Showing 67 competitive races of 470.

Chamber
Rating
Each row pairs a coarse lean with the model’s win probability for the favored party. Choose a column to sort.

Per-race odds come from our model, currently under calibration review. Independent published race ratings can differ from the model on individual races. Races sharing a rating move together in our simulations: these are not 470 independent estimates. How this forecast works

Lean
FLHouse 25Toss-upN/AD 50%
PAHouse 8Toss-upN/AD 51%
TXHouse 34Toss-upN/AR 52%
OHHouse 9Toss-upN/AR 52%
TXSenateToss-upYesD 53%
WIHouse 3Toss-upN/AD 53%
MIHouse 10Toss-upN/AD 55%
OHSenateToss-upYesD 56%
FLHouse 22Toss-upYesR 56%
PAHouse 10Toss-upN/AD 57%
IAHouse 3Toss-upN/AD 59%
NCHouse 11Toss-upN/AR 60%
TXHouse 28Lean DN/AD 60%
PAHouse 7Lean DN/AD 61%
AZHouse 1Lean DN/AD 61%
PAHouse 1Lean RN/AR 61%
AKSenateLean DYesD 61%
IAHouse 1Lean DYesD 61%
VAHouse 1Lean RN/AR 61%
FLHouse 14Lean RN/AR 62%
MIHouse 4Lean RN/AR 62%
NEHouse 2Lean DYesD 63%
COHouse 8Lean DN/AD 63%
NCHouse 1Lean RN/AR 63%
MISenateLean DYesD 64%
NJHouse 7Lean DN/AD 64%
AZHouse 6Lean DN/AD 65%
VAHouse 2Lean DN/AD 66%
MIHouse 7Lean DYesD 66%
OHHouse 7Lean DYesD 66%
WAHouse 3Lean DN/AD 66%
NYHouse 17Lean DN/AD 67%
CAHouse 22Lean DN/AD 69%
COHouse 3Lean RYesR 69%
IAHouse 2Lean RN/AR 70%
NYHouse 3Lean DN/AD 71%
IASenateLean RYesR 72%
TXHouse 15Lean RN/AR 73%
OHHouse 1Lean DN/AD 74%
MEHouse 2Lean RYesR 74%
NMHouse 2Lean DN/AD 75%
NYHouse 2Likely RYesR 76%
NVHouse 3Likely DN/AD 76%
MESenateLikely DYesD 78%
WIHouse 1Likely RN/AR 78%
CAHouse 13Likely DN/AD 78%
TXHouse 35Likely RN/AR 78%
FLHouse 27Likely RYesR 79%
NCSenateLikely DYesD 80%
OHHouse 10Likely RYesR 81%
CAHouse 48Likely DN/AD 82%
NYHouse 4Likely DYesD 85%
MTHouse 1Likely RN/AR 87%
MNHouse 1Likely RN/AR 87%
ARHouse 2Likely RYesR 87%
FLHouse 12Likely RYesR 88%
NHHouse 1Likely DN/AD 88%
SCHouse 1Likely RN/AR 88%
AKHouse At-largeLikely RN/AR 88%
FLHouse 13Likely RN/AR 88%
ALHouse 2Likely RN/AR 89%
KSSenateLikely RYesR 89%
TXHouse 23Likely RN/AR 90%
CAHouse 45Likely DN/AD 90%
AZHouse 2Likely RN/AR 90%
COHouse 5Likely RYesR 90%
KYHouse 6Likely RN/AR 90%
GASenateSafe DYesD 90%
FLHouse 9Safe RYesR 91%
NJHouse 9Safe DN/AD 91%
OHHouse 15Safe RN/AR 92%
NYHouse 1Safe RN/AR 92%
OHHouse 5Safe RYesR 92%
FLHouse 7Safe RYesR 92%
INHouse 1Safe DN/AD 93%
SCSenateSafe RYesR 93%
FLHouse 11Safe RYesR 93%
VAHouse 5Safe RN/AR 93%
NYHouse 19Safe DN/AD 93%
NVHouse 1Safe DN/AD 94%
NVHouse 4Safe DN/AD 94%
MIHouse 8Safe DYesD 94%
FLHouse 16Safe RN/AR 94%
VAHouse 7Safe DN/AD 94%
FLHouse 26Safe RYesR 94%
NESenateSafe RN/AR 95%
NHSenateSafe DYesD 95%
MIHouse 5Safe RYesR 95%
MNSenateSafe DYesD 95%
FLHouse 15Safe RYesR 95%
MNHouse 2Safe DN/AD 96%
CAHouse 21Safe DN/AD 96%
OHHouse 8Safe RYesR 96%
CAHouse 40Safe RN/AR 96%
MIHouse 1Safe RYesR 96%
COHouse 4Safe RN/AR 96%
FLHouse 19Safe RYesR 96%
OHHouse 13Safe DYesD 97%
FLHouse 6Safe RYesR 97%
ARSenateSafe RYesR 97%
WAHouse 5Safe RN/AR 98%
MOHouse 2Safe RN/AR 98%
GAHouse 2Safe DYesD 98%
FLHouse 4Safe RN/AR 98%
NJHouse 5Safe DN/AD 99%
NJHouse 2Safe RN/AR 99%
NEHouse 1Safe RN/AR 99%
NCHouse 3Safe RN/AR 99%
NCHouse 7Safe RN/AR 99%
SCHouse 2Safe RN/AR 99%
NVHouse 2Safe RN/AR 99%
GAHouse 12Safe RN/AR 99%
MNHouse 8Safe RN/AR 99%
CAHouse 6Safe DN/AD 99%
ORHouse 5Safe DN/AD 99%
CAHouse 23Safe RN/AR 99%
NCHouse 14Safe RN/AR 99%
FL-SSenateSafe RN/AR 99%
MNHouse 6Safe RN/AR 99%
PAHouse 4Safe DYesD 99%
MOHouse 3Safe RN/AR 99%
GAHouse 1Safe RN/AR 99%
NCHouse 9Safe RN/AR 99%
TNHouse 8Safe RN/AR 99%
TXHouse 24Safe RN/AR 99%
FLHouse 8Safe RN/AR 99%
WIHouse 8Safe RN/AR 99%
FLHouse 21Safe RN/AR 99%
OHHouse 14Safe RN/AR 99%
AZHouse 8Safe RN/AR 99%
NCHouse 13Safe RN/AR 99%
WIHouse 6Safe RN/AR 99%
CAHouse 5Safe RN/AR 99%
INHouse 5Safe RN/AR 99%
GAHouse 10Safe RN/AR 99%
MDHouse 1Safe RN/AR 99%
FLHouse 18Safe RN/AR 99%
TXHouse 38Safe RN/AR 99%
NCHouse 6Safe RN/AR 99%
NYHouse 23Safe RN/AR 99%
FLHouse 3Safe RN/AR 99%
OHHouse 4Safe RYesR 99%
MOHouse 4Safe RN/AR 99%
TXHouse 27Safe RN/AR 99%
PAHouse 11Safe RN/AR 99%
OKHouse 5Safe RN/AR 99%
NCHouse 10Safe RN/AR 99%
FLHouse 5Safe RN/AR 99%
NCHouse 5Safe RN/AR 99%
TXHouse 32Safe RN/AR 99%
FLHouse 2Safe RN/AR 99%
TXHouse 5Safe RN/AR 99%
TXHouse 17Safe RN/AR 99%
MOHouse 5Safe RN/AR 99%
TXHouse 31Safe RN/AR 99%
LASenateSafe RYesR 99%
GAHouse 7Safe RN/AR 99%
FLHouse 17Safe RN/AR 99%
WIHouse 5Safe RN/AR 99%
NHHouse 2Safe DYesD >99%
NYHouse 6Safe DN/AD >99%
NJHouse 6Safe DN/AD >99%
NCHouse 8Safe RN/AR >99%
ILHouse 16Safe RN/AR >99%
KSHouse 2Safe RN/AR >99%
GAHouse 14Safe RYesR >99%
NYHouse 21Safe RYesR >99%
TXHouse 9Safe RN/AR >99%
TXHouse 6Safe RN/AR >99%
AZHouse 5Safe RN/AR >99%
NYHouse 24Safe RN/AR >99%
KSHouse 4Safe RN/AR >99%
GAHouse 11Safe RN/AR >99%
TXHouse 3Safe RN/AR >99%
WAHouse 4Safe RN/AR >99%
SCHouse 4Safe RN/AR >99%
NYHouse 22Safe DN/AD >99%
CTHouse 2Safe DN/AD >99%
TXHouse 26Safe RN/AR >99%
CAHouse 35Safe DN/AD >99%
TXHouse 12Safe RN/AR >99%
TNHouse 4Safe RN/AR >99%
TNHouse 9Safe RN/AR >99%
TXHouse 25Safe RN/AR >99%
OKHouse 1Safe RN/AR >99%
MIHouse 6Safe DYesD >99%
TXHouse 14Safe RN/AR >99%
NYHouse 11Safe RN/AR >99%
NJHouse 3Safe DN/AD >99%
VAHouse 10Safe DN/AD >99%
TXHouse 21Safe RN/AR >99%
TXHouse 4Safe RN/AR >99%
TXHouse 22Safe RN/AR >99%
NJHouse 11Safe DN/AD >99%
TNHouse 7Safe RN/AR >99%
ARHouse 3Safe RN/AR >99%
WIHouse 7Safe RN/AR >99%
TXHouse 36Safe RN/AR >99%
TXHouse 10Safe RN/AR >99%
PAHouse 16Safe RN/AR >99%
SCHouse 5Safe RN/AR >99%
TXHouse 2Safe RN/AR >99%
TNHouse 5Safe RN/AR >99%
CAHouse 39Safe DN/AD >99%
CAHouse 27Safe DN/AD >99%
CAHouse 33Safe DN/AD >99%
VAHouse 6Safe RN/AR >99%
NYHouse 18Safe DN/AD >99%
CAHouse 47Safe DN/AD >99%
CAHouse 3Safe DN/AD >99%
SCHouse 7Safe RN/AR >99%
INHouse 2Safe RN/AR >99%
ILHouse 13Safe DN/AD >99%
TNHouse 6Safe RN/AR >99%
KSHouse 3Safe DN/AD >99%
MOHouse 6Safe RN/AR >99%
IDHouse 2Safe RN/AR >99%
MAHouse 9Safe DN/AD >99%
MSSenateSafe RN/AR >99%
ILHouse 17Safe DN/AD >99%
FLHouse 28Safe RN/AR >99%
ORHouse 2Safe RN/AR >99%
ILHouse 14Safe DN/AD >99%
NMHouse 3Safe DN/AD >99%
ORHouse 6Safe DN/AD >99%
PAHouse 6Safe DN/AD >99%
CAHouse 9Safe DN/AD >99%
ILHouse 11Safe DN/AD >99%
ILHouse 6Safe DN/AD >99%
PAHouse 17Safe DN/AD >99%
TXHouse 8Safe RN/AR >99%
CTHouse 5Safe DN/AD >99%
MDHouse 6Safe DN/AD >99%
WAHouse 8Safe DN/AD >99%
CAHouse 25Safe DN/AD >99%
ORHouse 4Safe DN/AD >99%
CAHouse 31Safe DN/AD >99%
CAHouse 38Safe DN/AD >99%
AZHouse 4Safe DN/AD >99%
RIHouse 2Safe DN/AD >99%
ILHouse 8Safe DN/AD >99%
NMHouse 1Safe DN/AD >99%
CAHouse 7Safe DN/AD >99%
UTHouse 2Safe RN/AR >99%
ALHouse 5Safe RN/AR >99%
CAHouse 42Safe DN/AD >99%
MSHouse 3Safe RN/AR >99%
SDHouse At-largeSafe RN/AR >99%
MIHouse 3Safe DN/AD >99%
INHouse 4Safe RN/AR >99%
VASenateSafe DN/AD >99%
MTHouse 2Safe RN/AR >99%
NJSenateSafe DN/AD >99%
NMSenateSafe DN/AD >99%
MAHouse 1Safe DN/AD >99%
GAHouse 3Safe RN/AR >99%
FLHouse 23Safe DN/AD >99%
INHouse 9Safe RN/AR >99%
LAHouse 6Safe RN/AR >99%
MIHouse 2Safe RN/AR >99%
OHHouse 12Safe RN/AR >99%
CTHouse 3Safe DN/AD >99%
NJHouse 4Safe RN/AR >99%
NYHouse 20Safe DN/AD >99%
CAHouse 41Safe DN/AD >99%
CAHouse 4Safe DN/AD >99%
GAHouse 8Safe RN/AR >99%
FLHouse 10Safe DYesD >99%
DEHouse At-largeSafe DN/AD >99%
COHouse 7Safe DN/AD >99%
AZHouse 9Safe RN/AR >99%
MTSenateSafe RYesR >99%
INHouse 3Safe RN/AR >99%
KSHouse 1Safe RN/AR >99%
CAHouse 26Safe DN/AD >99%
IAHouse 4Safe RN/AR >99%
SDSenateSafe RN/AR >99%
PAHouse 2Safe DYesD >99%
MIHouse 11Safe DN/AD >99%
CAHouse 46Safe DN/AD >99%
CAHouse 20Safe RN/AR >99%
TNSenateSafe RN/AR >99%
MIHouse 9Safe RN/AR >99%
CAHouse 49Safe DN/AD >99%
TXHouse 16Safe DN/AD >99%
UTHouse 4Safe RN/AR >99%
INHouse 6Safe RN/AR >99%
CAHouse 1Safe DN/AD >99%
KYSenateSafe RN/AR >99%
OKHouse 4Safe RN/AR >99%
PAHouse 14Safe RN/AR >99%
ILSenateSafe DN/AD >99%
COSenateSafe DN/AD >99%
CAHouse 52Safe DN/AD >99%
ALSenateSafe RYesR >99%
ALHouse 7Safe DN/AD >99%
TNHouse 2Safe RN/AR >99%
LAHouse 5Safe RN/AR >99%
WAHouse 10Safe DN/AD >99%
GAHouse 9Safe RN/AR >99%
LAHouse 4Safe RN/AR >99%
CAHouse 50Safe DN/AD >99%
CAHouse 51Safe DN/AD >99%
TXHouse 11Safe RN/AR >99%
NYHouse 25Safe DN/AD >99%
MDHouse 2Safe DN/AD >99%
ALHouse 6Safe RN/AR >99%
OHHouse 6Safe RN/AR >99%
NJHouse 1Safe DN/AD >99%
KYHouse 3Safe DN/AD >99%
MAHouse 3Safe DN/AD >99%
PAHouse 12Safe DN/AD >99%
NYHouse 26Safe DN/AD >99%
WAHouse 6Safe DN/AD >99%
KYHouse 4Safe RN/AR >99%
RISenateSafe DN/AD >99%
TNHouse 3Safe RN/AR >99%
MAHouse 4Safe DN/AD >99%
COHouse 6Safe DN/AD >99%
INHouse 8Safe RN/AR >99%
LAHouse 3Safe RN/AR >99%
ALHouse 1Safe RN/AR >99%
ORSenateSafe DN/AD >99%
DESenateSafe DN/AD >99%
MSHouse 2Safe DN/AD >99%
MNHouse 7Safe RN/AR >99%
MAHouse 6Safe DN/AD >99%
NDHouse At-largeSafe RN/AR >99%
MSHouse 1Safe RN/AR >99%
FLHouse 1Safe RN/AR >99%
MNHouse 3Safe DN/AD >99%
IDSenateSafe RN/AR >99%
HIHouse 2Safe DN/AD >99%
PAHouse 9Safe RN/AR >99%
PAHouse 15Safe RN/AR >99%
ILHouse 10Safe DN/AD >99%
AZHouse 7Safe DN/AD >99%
RIHouse 1Safe DN/AD >99%
LAHouse 1Safe RN/AR >99%
SCHouse 6Safe DN/AD >99%
CTHouse 1Safe DN/AD >99%
CTHouse 4Safe DN/AD >99%
MEHouse 1Safe DN/AD >99%
TXHouse 7Safe DN/AD >99%
WVHouse 2Safe RN/AR >99%
UTHouse 1Safe DN/AD >99%
WAHouse 2Safe DN/AD >99%
MAHouse 2Safe DN/AD >99%
ILHouse 15Safe RN/AR >99%
MDHouse 3Safe DN/AD >99%
ARHouse 4Safe RN/AR >99%
NJHouse 12Safe DN/AD >99%
OHHouse 3Safe DYesD >99%
NJHouse 8Safe DN/AD >99%
ILHouse 4Safe DYesD >99%
OKSenateSafe RYesR >99%
CAHouse 2Safe DN/AD >99%
HIHouse 1Safe DN/AD >99%
CAHouse 24Safe DN/AD >99%
CAHouse 32Safe DN/AD >99%
CAHouse 28Safe DN/AD >99%
KYHouse 2Safe RN/AR >99%
UTHouse 3Safe RN/AR >99%
WVSenateSafe RN/AR >99%
OHHouse 2Safe RN/AR >99%
MAHouse 8Safe DN/AD >99%
MSHouse 4Safe RN/AR >99%
MOHouse 7Safe RN/AR >99%
SCHouse 3Safe RN/AR >99%
ILHouse 12Safe RN/AR >99%
VAHouse 9Safe RN/AR >99%
WVHouse 1Safe RN/AR >99%
CAHouse 18Safe DN/AD >99%
TXHouse 20Safe DN/AD >99%
WYSenateSafe RN/AR >99%
PAHouse 5Safe DN/AD >99%
WAHouse 1Safe DN/AD >99%
IDHouse 1Safe RN/AR >99%
ARHouse 1Safe RN/AR >99%
MASenateSafe DYesD >99%
OKHouse 3Safe RN/AR >99%
PAHouse 13Safe RN/AR >99%
TXHouse 13Safe RN/AR >99%
WYHouse At-largeSafe RN/AR >99%
TXHouse 29Safe DN/AD >99%
GAHouse 4Safe DYesD >99%
ALHouse 3Safe RN/AR >99%
KYHouse 1Safe RN/AR >99%
ILHouse 3Safe DN/AD >99%
NYHouse 14Safe DN/AD >99%
VTHouse At-largeSafe DN/AD >99%
ILHouse 1Safe DN/AD >99%
VAHouse 4Safe DN/AD >99%
TXHouse 33Safe DN/AD >99%
NYHouse 16Safe DN/AD >99%
ILHouse 2Safe DN/AD >99%
MDHouse 5Safe DN/AD >99%
TXHouse 1Safe RN/AR >99%
CAHouse 10Safe DN/AD >99%
CAHouse 29Safe DN/AD >99%
NCHouse 2Safe DN/AD >99%
CAHouse 8Safe DN/AD >99%
VAHouse 11Safe DN/AD >99%
CAHouse 19Safe DN/AD >99%
VAHouse 3Safe DN/AD >99%
CAHouse 14Safe DN/AD >99%
CAHouse 44Safe DN/AD >99%
TXHouse 19Safe RN/AR >99%
MNHouse 4Safe DN/AD >99%
ILHouse 9Safe DN/AD >99%
ILHouse 5Safe DN/AD >99%
FLHouse 20Safe DN/AD >99%
NEHouse 3Safe RN/AR >99%
ORHouse 1Safe DN/AD >99%
MOHouse 8Safe RN/AR >99%
MIHouse 12Safe DN/AD >99%
FLHouse 24Safe DN/AD >99%
CAHouse 17Safe DN/AD >99%
CAHouse 36Safe DN/AD >99%
OKHouse 2Safe RN/AR >99%
AZHouse 3Safe DN/AD >99%
COHouse 2Safe DN/AD >99%
CAHouse 30Safe DN/AD >99%
WIHouse 2Safe DN/AD >99%
NYHouse 9Safe DN/AD >99%
MIHouse 13Safe DN/AD >99%
WAHouse 9Safe DN/AD >99%
INHouse 7Safe DN/AD >99%
TNHouse 1Safe RN/AR >99%
NYHouse 5Safe DN/AD >99%
GAHouse 13Safe DN/AD >99%
NYHouse 8Safe DN/AD >99%
MAHouse 5Safe DN/AD >99%
NCHouse 4Safe DN/AD >99%
NYHouse 7Safe DN/AD >99%
ORHouse 3Safe DN/AD >99%
NCHouse 12Safe DN/AD >99%
TXHouse 30Safe DN/AD >99%
LAHouse 2Safe DN/AD >99%
KYHouse 5Safe RN/AR >99%
CAHouse 15Safe DN/AD >99%
CAHouse 16Safe DN/AD >99%
NYHouse 15Safe DN/AD >99%
CAHouse 43Safe DN/AD >99%
VAHouse 8Safe DN/AD >99%
GAHouse 6Safe DN/AD >99%
ALHouse 4Safe RN/AR >99%
CAHouse 34Safe DN/AD >99%
NJHouse 10Safe DN/AD >99%
WIHouse 4Safe DN/AD >99%
TXHouse 18Safe DN/AD >99%
OHHouse 11Safe DN/AD >99%
COHouse 1Safe DN/AD >99%
MDHouse 8Safe DN/AD >99%
TXHouse 37Safe DN/AD >99%
MOHouse 1Safe DN/AD >99%
MDHouse 7Safe DN/AD >99%
NYHouse 13Safe DN/AD >99%
CAHouse 37Safe DN/AD >99%
NYHouse 10Safe DN/AD >99%
MNHouse 5Safe DN/AD >99%
MAHouse 7Safe DN/AD >99%
NYHouse 12Safe DN/AD >99%
ILHouse 7Safe DN/AD >99%
CAHouse 11Safe DN/AD >99%
GAHouse 5Safe DN/AD >99%
CAHouse 12Safe DN/AD >99%
MDHouse 4Safe DN/AD >99%
WAHouse 7Safe DN/AD >99%
PAHouse 3Safe DN/AD >99%

Model probabilities, not predictions: the margin of error is wide this far from Election Day.

Methodology summary

What the model uses

Published race ratings, age-weighted public polling, each state’s partisan baseline, and the national political environment.

What the model cannot see

Candidate scandals, late-breaking events, turnout shifts, or anything that happens after the ratings and polls it reads were published.

Run record

Latest completed run: September 2, 2026. Runs nightly, 10,000 simulations per run.