2026 Midterms · House & Senate

Election Forecast

Seats covered12:02:36 AM
SourceHouseSenatePolymarket433/43535/35Kalshi426/43532/35Polls4817FEC funding435/43535/35

Only a few dozen races are polled at all, so Polls is counted without a target. FEC funding covers every race with a filed candidate.

Chance of winning the majority

Method 1 · Poisson-binomial, exact

Senate

Dem narrow favourite

64%

Democrats win the majority

36%

Republicans win the majority

House

Dem clear favourite

90%

Democrats win the majority

10%

Republicans win the majority

Chance of winning the majority — Monte Carlo

Method 2 · 10,000 simulated elections

Senate

Dem narrow favourite

64%

Democrats win the majorityMethod 1: 64%

36%

Republicans win the majorityMethod 1: 36%

Median
51 Dem caucus
Mean
51.4 Dem caucus
90% range
47–56 Dem caucus
50–50
13%

Share of runs ending at each number of Dem caucus seats. Blue bars are Democratic control, red bars Republican control.

House

Dem clear favourite

90%

Democrats win the majorityMethod 1: 90%

10%

Republicans win the majorityMethod 1: 10%

Median
240 D
Mean
240.3 D
90% range
210–270 D

Share of runs ending at each number of Democratic seats. Blue bars are Democratic control, red bars Republican control.

Both chambers together

Democrats win both chambers61%
Democratic House, Republican Senate29%
Republicans hold both chambers8%
Republican House, Democratic Senate3%

From the same runs, so a bad night in one chamber is a bad night in the other. A 50–50 Senate counts as Republican control because the Vice President breaks ties.

Senate projection

35 races on the ballot (33 Class II plus the FL and OH specials) · Democrats need 51 because the GOP holds the vice presidency

Democrats narrowly favored for Senate control

Expected seats · mean of Method 1 & 2

51

Dem caucus

–

49

Republicans

Today: 47 – 53

Race call · seats led at 55% or more

52 Dem caucus · 1 tossup · 47 Republicans

Marker sits at 51 of 100 seats — the line for majority control.

House projection

All 435 seats on the ballot · 218 for a majority

Democrats clearly favored for House control

Expected seats · mean of Method 1 & 2

240

Democrats

–

195

Republicans

Today: 215 – 219 · 1 independent

Race call · seats led at 55% or more

235 Democrats · 7 tossups · 193 Republicans

Marker sits at 218 of 435 seats — the line for majority control.

Races on the ballot · race call

Senate · 3518 D1 tossup16 R
House · 435235 D7 tossup193 R
Data sources

At least one source must stay on. Weights re-normalize to 100%.

Polymarket
30%
Kalshi
30%
Polls
13%
Cook PVI
13%
FEC funding
13%

Race call per seat. The fill follows the House delegation on the race call — a seat goes to the side at 55% or more, tossups to neither — and the Senate race is shown as its own mark, so the two chambers are never blended into one colour. Shading follows the expected-seat margin. The same call feeds the flip list and the projected swing; chamber totals and odds live in the cards above.

US forecast map

AL

1–6 · Sen R 91%

AK

0–1 · Sen D 66%

AZ

5–4

CO

5–2 +1 · Sen D 91%

FL

7–21 · Sen R 73%

GA

5–9 · Sen D 85%

IN

2–7

KS

1–3 · Sen D 52%

ME

1–0 +1 · Sen D 64%

MA

9–0 · Sen D 92%

MN

4–4 · Sen D 79%

NJ

10–2 · Sen D 91%

NC

5–9 · Sen D 84%

ND

0–1

OK

0–5 · Sen R 94%

PA

10–6 +1

SD

0–1 · Sen R 93%

TX

12–26 · Sen D 64%

WY

0–1 · Sen R 96%

CT

5–0

MO

2–6

WV

0–2 · Sen R 95%

IL

14–3 · Sen D 86%

NM

3–0 · Sen D 90%

AR

0–4 · Sen R 86%

CA

48–4

DE

1–0 · Sen D 91%

HI

2–0

IA

3–1 · Sen R 55%

KY

1–4 +1 · Sen R 86%

MD

7–1

MI

8–4 +1 · Sen D 67%

MS

1–3 · Sen R 81%

MT

1–1 · Sen R 91%

NH

2–0 · Sen D 81%

NY

20–6

OH

6–9 · Sen D 62%

OR

5–1 · Sen D 90%

TN

0–9 · Sen R 93%

UT

1–3

VA

8–3 · Sen D 89%

WA

8–2

WI

3–4 +1

NE

1–2 · Sen R 94%

SC

1–5 +1 · Sen R 67%

ID

0–2 · Sen R 92%

NV

3–1

VT

1–0

LA

1–5 · Sen R 84%

RI

2–0 · Sen D 91%

Dem leads more seats · darker = wider expected marginRep leads more seats · darker = wider expected marginSplit delegationEvery race a tossup · amber Senate mark = tossup+ntossups not counted for either sideNo race in this viewDem pickupRep pickup

Projected seat flips

Democrats gain 31

Republicans gain 6

Click a state to pin it, then expand a race for source detail.

US

United States

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