The 2002 Senate map

34 Senate contests were decided in 2002: 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	−67.7%	24,133	179,438	229,257
Alabama	R	−18.8%	538,878	792,561	1,351,673
Arkansas	D	+7.8%	433,386	370,735	804,121
Colorado	R	−4.9%	648,130	717,893	1,415,486
Delaware	D	+17.4%	135,253	94,793	232,314
Georgia	R	−6.8%	932,422	1,071,352	2,031,604
Iowa	D	+10.4%	554,278	447,892	1,022,374
Idaho	R	−32.6%	132,975	266,215	408,544
Illinois	D	+22.3%	2,103,766	1,325,703	3,486,851
Kansas	R	−82.5%	0	641,075	776,850
Kentucky	R	−29.4%	399,634	731,679	1,131,313
Louisiana	D	+0.3%	1,235,554	1,229,344	2,481,629
Massachusetts	D	+81.0%	1,605,976	0	1,981,860
Maine	R	−16.9%	209,858	295,041	504,899
Michigan	D	+22.7%	1,896,614	1,185,545	3,129,287
Minnesota	R	−1.7%	1,078,627	1,116,697	2,252,836
Missouri	R	−1.1%	913,778	935,032	1,877,620
Mississippi	R	−84.6%	0	533,269	630,495
Montana	D	+31.0%	204,853	103,611	326,537
North Carolina	R	−8.6%	1,047,983	1,248,664	2,330,454
Nebraska	R	−68.1%	70,290	397,438	480,217
New Hampshire	R	−4.4%	207,478	227,229	444,739
New Jersey	D	+9.9%	1,138,193	928,439	2,112,604
New Mexico	R	−30.1%	168,863	314,193	483,056
Oklahoma	R	−21.0%	369,789	583,579	1,018,424
Oregon	R	−16.6%	501,898	712,287	1,267,221
Rhode Island	D	+56.9%	253,774	69,808	323,582
South Carolina	R	−10.2%	487,359	600,010	1,102,245
South Dakota	D	+0.2%	167,481	166,949	337,501
Tennessee	R	−9.9%	728,232	891,498	1,642,076
Texas	R	−12.0%	1,955,758	2,496,243	4,512,590
Virginia	R	−83.0%	0	1,229,894	1,481,051
West Virginia	D	+26.2%	275,281	160,902	436,183
Wyoming	R	−45.9%	49,570	133,710	183,280