The 2014 Senate map

34 Senate contests were decided in 2014: Democrats won 12, Republicans 22. Every contest below links to its page with the state's full Senate history.

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Cycle summary

Wins by party — seats decided this cycle, not the resulting chamber balance.

Contests

34

Democratic wins

12

Republican wins

22

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Every contest

Statewide totals; candidate-level detail joins when the raw store is re-fetched with names.

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State	Won	Margin	Democratic	Republican	Total
Alaska	R	−2.1%	129,431	135,445	281,024
Alabama	R	−100.0%	0	795,606	795,606
Arkansas	R	−17.1%	334,174	478,819	847,000
Colorado	R	−1.9%	944,203	983,891	2,041,020
Delaware	D	+13.6%	130,655	98,823	234,038
Georgia	R	−7.7%	1,160,811	1,358,088	2,567,761
Hawaii	D	+42.1%	246,827	98,006	353,774
Iowa	R	−8.3%	494,370	588,575	1,128,589
Idaho	R	−30.7%	151,574	285,596	437,170
Illinois	D	+10.9%	1,929,637	1,538,522	3,603,475
Kansas	R	−53.1%	0	460,350	866,191
Kentucky	R	−15.5%	584,698	806,787	1,435,789
Louisiana	R	−9.9%	1,581,041	1,929,108	3,523,183
Massachusetts	D	+23.9%	1,289,944	791,950	2,084,966
Maine	R	−37.0%	190,254	413,505	604,028
Michigan	D	+13.3%	1,704,936	1,290,199	3,121,698
Minnesota	D	+10.2%	1,053,205	850,227	1,980,647
Mississippi	R	−22.0%	239,439	378,481	631,858
Montana	R	−17.7%	148,184	213,709	369,826
North Carolina	R	−1.6%	1,377,651	1,423,259	2,910,631
Nebraska	R	−32.9%	170,127	347,636	540,337
New Hampshire	D	+3.2%	251,184	235,347	488,159
New Jersey	D	+13.5%	1,043,866	791,297	1,869,535
New Mexico	D	+11.1%	286,409	229,097	515,506
Oklahoma	R	−39.5%	234,307	558,166	820,733
Oregon	D	+18.9%	814,537	538,847	1,461,618
Rhode Island	D	+41.4%	223,675	92,684	316,359
South Carolina	R	−17.5%	456,726	672,941	1,235,301
South Dakota	R	−20.9%	82,456	140,741	279,412
Tennessee	R	−30.0%	437,848	850,087	1,374,060
Texas	R	−27.2%	1,597,387	2,861,531	4,647,370
Virginia	D	+0.8%	1,073,667	1,055,940	2,182,709
West Virginia	R	−27.7%	156,360	281,820	453,659
Wyoming	R	−54.9%	29,377	121,554	167,919