Toggle the storylines below and watch the House majority odds shift.

45% Dem majority baseline
55% GOP majority baseline
217 avg D seats
45%
P(D ≥ 218)
~217 D seats
Baseline scenario

It's going to come down to crucial Waukesha county — 45% D / 55% R majority odds, ~217 D seats on average.

Empire State of Mind

The Long Island, Hudson Valley, and North Jersey seats that decide who runs the House.

6 races
NY-0374% DLean D
NY-0479% DLean D
NY-1763% DLean D
NY-1975% DLean D
NJ-0758% DTossup
NJ-0980% DLean D
Baseline · D-majority 72% · R-majority 16% · split 12%

Groundhog Day

Pennsylvania's four familiar battleground seats, from Bucks County to Harrisburg.

4 races
PA-0167% RLean R
PA-0751% RTossup
PA-0863% RLean R
PA-1054% RTossup
Baseline · D-majority 29% · R-majority 50% · split 20%

Best Coast

The few remaining competitive California districts post-ballot measure.

3 races
CA-2251% RTossup
CA-4576% DLean D
CA-4870% DLean D
Baseline · D-majority 69% · R-majority 31%

Borderlands

Latino-heavy districts where the 2024 rightward shift still shapes how both parties talk about the House.

4 races
CA-1367% DLean D
NM-0269% DLean D
TX-2862% DLean D
TX-3454% RTossup
Baseline · D-majority 53% · R-majority 25% · split 23%

Little Boxes

Rapid-growth metro and outer-suburban seats from Phoenix to Las Vegas, Omaha, Colorado, and Virginia where the suburban mood is the story.

6 races
AZ-0655% DTossup
CO-0851% DTossup
NV-0179% DLean D
NV-0369% DLean D
NV-0483% DLikely D
VA-0253% DTossup
Baseline · D-majority 63% · R-majority 22% · split 15%

Born in the U.S.A.

Iowa, Michigan, and Ohio seats where small shifts among working-class, small-city, and union-adjacent voters can flip multiple races.

6 races
IA-0155% RTossup
IA-0353% RTossup
MI-0751% DTossup
MI-0875% DLean D
OH-0166% DLean D
OH-0956% RTossup
Baseline · D-majority 48% · R-majority 36% · split 16%

"All Politics is Local"

Personal-brand or institutionally unusual seats where an incumbent, election rules, or recent seat history defies the district's partisan lean.

3 races
IN-0178% DLean D
NC-0168% RLean R
WA-0359% DTossup
Baseline · D-majority 60% · R-majority 40%

Decision to Leave

Seats where the result is now far more uncertain because the incumbent is not running again.

8 races
AZ-0158% DTossup
IA-0280% RLean R
ME-0275% RLean R
MI-1056% RTossup
MT-0179% RLean R
NE-0272% DLean D
NH-0175% DLean D
TX-3578% RLean R
Baseline · D-majority 28% · R-majority 55% · split 18%

"Goes Blue" means these areas meaningfully shifted toward Democrats. "Goes Red", Republican. Baseline removes the filter. The probability up top is based on your selections.