Elections / 1984 · House

Democrats held the most US House seats in 1984.

Across 435 districts, Democrats won 254, Republicans 181. Results are party-level here — candidate names appear on each state's page. Every state below links to its districts.

1984 U.S. House elections

Democrats 253 −16218for control181 Republicans +16

435 voting seats, as elected in November 1984. 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	5	2	—	+42.9%
Arkansas	4	3	1	—	+50.0%
Arizona	5	1	4	—	−60.0%
California	45	27	18	—	+20.0%
Colorado	6	2	4	—	−33.3%
Connecticut	6	3	3	—	+0.0%
Delaware	1	1	0	—	+100.0%
Florida	19	12	7	—	+26.3%
Georgia	10	8	2	—	+60.0%
Hawaii	2	2	0	—	+100.0%
Iowa	6	2	4	—	−33.3%
Idaho	2	1	1	—	+0.0%
Illinois	22	13	9	—	+18.2%
Indiana	10	5	5	—	+0.0%
Kansas	5	2	3	—	−20.0%
Kentucky	7	4	3	—	+14.3%
Louisiana	8	6	2	—	+50.0%
Massachusetts	11	10	1	—	+81.8%
Maryland	8	6	2	—	+50.0%
Maine	2	0	2	—	−100.0%
Michigan	18	11	7	—	+22.2%
Minnesota	8	5	3	—	+25.0%
Missouri	9	6	3	—	+33.3%
Mississippi	5	3	2	—	+20.0%
Montana	2	1	1	—	+0.0%
North Carolina	11	6	5	—	+9.1%
North Dakota	1	1	0	—	+100.0%
Nebraska	3	0	3	—	−100.0%
New Hampshire	2	0	2	—	−100.0%
New Jersey	14	8	6	—	+14.3%
New Mexico	3	1	2	—	−33.3%
Nevada	2	1	1	—	+0.0%
New York	34	20	14	—	+17.6%
Ohio	21	11	10	—	+4.8%
Oklahoma	6	5	1	—	+66.7%
Oregon	5	3	2	—	+20.0%
Pennsylvania	23	13	10	—	+13.0%
Rhode Island	2	1	1	—	+0.0%
South Carolina	6	3	3	—	+0.0%
South Dakota	1	1	0	—	+100.0%
Tennessee	9	6	3	—	+33.3%
Texas	27	17	10	—	+25.9%
Utah	3	0	3	—	−100.0%
Virginia	10	4	6	—	−20.0%
Vermont	1	0	1	—	−100.0%
Washington	8	5	3	—	+25.0%
Wisconsin	9	5	4	—	+11.1%
West Virginia	4	4	0	—	+100.0%
Wyoming	1	0	1	—	−100.0%

Source. MIT Election Data + Science Lab — 1984 US House returns, party-classified by literal ballot party · party-level district results. Real returns — nothing estimated.

Democratic	42,981,627	52.1%
Republican	38,716,165	47.0%
Other	724,082	0.9%
Margin	4,265,462	D+5.2