The 1976 Senate map

33 Senate contests were decided in 1976: Democrats won 21, Republicans 11, independents and others 1. 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

33

Democratic wins

21

Republican wins

11

Other wins

1

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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
Arizona	D	+10.7%	400,334	321,236	741,210
California	R	−3.3%	3,502,862	3,748,973	7,470,586
Connecticut	R	−16.5%	561,018	785,683	1,361,666
Delaware	R	−12.2%	98,042	125,454	224,795
Florida	D	+26.0%	1,799,518	1,057,886	2,857,534
Hawaii	D	+13.1%	162,305	122,724	302,092
Indiana	R	−18.8%	868,522	1,275,833	2,161,187
Massachusetts	D	+40.3%	1,726,657	722,641	2,491,255
Maryland	D	+17.7%	772,101	530,439	1,365,290
Maine	D	+20.4%	292,704	193,489	486,193
Michigan	D	+5.6%	1,831,031	1,635,087	3,490,412
Minnesota	D	+42.5%	1,290,736	478,602	1,912,020
Missouri	R	−14.4%	813,571	1,090,067	1,914,460
Mississippi	D	+100.0%	554,433	0	554,433
Montana	D	+28.3%	206,232	115,213	321,445
North Dakota	D	+25.5%	175,772	103,466	283,062
Nebraska	D	+5.8%	313,805	279,284	593,252
New Jersey	D	+22.6%	1,681,140	1,054,508	2,771,390
New Mexico	R	−14.1%	176,382	234,681	413,056
Nevada	D	+31.6%	127,214	63,471	201,899
New York	D	+10.7%	3,238,511	2,525,139	6,666,875
Ohio	D	+3.0%	1,941,113	1,823,774	3,920,613
Pennsylvania	R	−5.6%	2,126,977	2,381,891	4,546,353
Rhode Island	R	−15.7%	167,665	230,329	398,906
Tennessee	D	+5.4%	751,180	673,231	1,432,015
Texas	D	+14.5%	2,199,956	1,636,370	3,874,230
Utah	R	−12.7%	223,948	290,221	522,108
Virginia	O	+38.3%	596,009	0	1,557,346
Vermont	R	−4.7%	85,682	94,481	189,060
Washington	D	+47.6%	1,071,219	361,546	1,491,111
Wisconsin	D	+45.6%	1,404,324	521,902	1,935,183
West Virginia	D	+100.0%	566,359	0	566,359
Wyoming	R	−9.2%	70,558	84,810	155,368