Elections / 2004 · House

Republicans held the most US House seats in 2004.

Across 435 districts, Democrats won 202, Republicans 232, others 1. Results are party-level here — candidate names appear on each state's page. Every state below links to its districts.

2004 U.S. House elections

Democrats 202 −3218for control232 Republicans +3

435 voting seats, as elected in November 2004. The chamber is shown as voters returned it — seats vacated or members who changed party afterward are not reflected. DC’s delegate is non-voting and excluded.

Each of the 435 districts filled by the margin its winner carried · cyan outlines a district that flipped party · hover for the detail

Seats by state

Every row links to that state's district-by-district results.

State	Seats	Dem	Rep	Other	Delegation lean
Alaska	1	0	1	—	−100.0%
Alabama	7	2	5	—	−42.9%
Arkansas	4	3	1	—	+50.0%
Arizona	8	2	6	—	−50.0%
California	53	33	20	—	+24.5%
Colorado	7	3	4	—	−14.3%
Connecticut	5	2	3	—	−20.0%
Delaware	1	0	1	—	−100.0%
Florida	25	7	18	—	−44.0%
Georgia	13	6	7	—	−7.7%
Hawaii	2	2	0	—	+100.0%
Iowa	5	1	4	—	−60.0%
Idaho	2	0	2	—	−100.0%
Illinois	19	10	9	—	+5.3%
Indiana	9	2	7	—	−55.6%
Kansas	4	1	3	—	−50.0%
Kentucky	6	1	5	—	−66.7%
Louisiana	7	2	5	—	−42.9%
Massachusetts	10	10	0	—	+100.0%
Maryland	8	6	2	—	+50.0%
Maine	2	2	0	—	+100.0%
Michigan	15	6	9	—	−20.0%
Minnesota	8	4	4	—	+0.0%
Missouri	9	4	5	—	−11.1%
Mississippi	4	2	2	—	+0.0%
Montana	1	0	1	—	−100.0%
North Carolina	13	6	7	—	−7.7%
North Dakota	1	1	0	—	+100.0%
Nebraska	3	0	3	—	−100.0%
New Hampshire	2	0	2	—	−100.0%
New Jersey	13	7	6	—	+7.7%
New Mexico	3	1	2	—	−33.3%
Nevada	3	1	2	—	−33.3%
New York	29	20	9	—	+37.9%
Ohio	18	6	12	—	−33.3%
Oklahoma	5	1	4	—	−60.0%
Oregon	5	4	1	—	+60.0%
Pennsylvania	19	7	12	—	−26.3%
Rhode Island	2	2	0	—	+100.0%
South Carolina	6	2	4	—	−33.3%
South Dakota	1	1	0	—	+100.0%
Tennessee	9	5	4	—	+11.1%
Texas	32	11	21	—	−31.3%
Utah	3	1	2	—	−33.3%
Virginia	11	3	8	—	−45.5%
Vermont	1	0	0	1	+0.0%
Washington	9	6	3	—	+33.3%
Wisconsin	8	4	4	—	+0.0%
West Virginia	3	2	1	—	+33.3%
Wyoming	1	0	1	—	−100.0%

Source. MIT Election Data + Science Lab — 2004 US House returns, party-classified by literal ballot party · party-level district results. Real returns — nothing estimated.

Democratic	52,969,868	47.5%
Republican	55,962,257	50.1%
Other	2,683,906	2.4%
Margin	2,992,389	R+2.7