2010 US Senate

38 contests

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SENATE

US Senate · 2010

Democratic Hold

DEM

51 needed

REP

IND

Before

After

Net change:D −5·R +5·I ±0·38 seats contested·Counted by caucus alignment

Chamber Control

DemocraticMajority52

Republican47

Independent1

Threshold:51 seats

D 52 – R 47 – I 1

38 contests|D won 13|R won 25

	State ▲	Winner	W%	Votes	Runner-up	R-up%	Votes	Margin	Swing
▶	Alabama	ShelbyREP	65.2%	968,181	BarnesDEM	34.7%	515,619	R+30.5	↑ D+4.7
▶	Alaska	MurkowskiREP	0.0%	—	—	—	—	---	—
▶	Arizona	McCainREP	58.9%	1,005,615	GlassmanDEM	34.6%	592,011	R+24.2	↑ D+31.9
▶	Arkansas	BoozmanREP	57.9%	451,618	LincolnDEM	37.0%	288,156	R+21.0	↓ R+32.8
▶	California	BoxerDEM	52.2%	5,218,137	FiorinaREP	42.2%	4,217,386	D+10.0	↓ R+9.9
▶	Colorado	BennetDEM	48.1%	854,685	BuckREP	46.4%	824,789	D+1.7	↓ R+3.1
▶	Connecticut	BlumenthalDEM	55.2%	636,040	McMahonREP	43.2%	498,341	D+11.9	↓ R+22.3
▶	Delaware(S)	CoonsDEM	56.6%	174,012	O'DonnellREP	40.0%	123,053	D+16.6	—
▶	Florida	RubioREP	48.9%	2,645,743	OtherOTH	30.9%	1,672,427	R+28.7	↓ R+27.6
▶	Georgia	IsaksonREP	58.3%	1,489,904	ThurmondDEM	39.0%	996,516	R+19.3	↓ R+1.4
▶	Hawaii	InouyeDEM	74.8%	277,167	CavassoREP	21.6%	79,924	D+53.2	↓ R+1.3
▶	Idaho	CrapoREP	71.2%	319,953	SullivanDEM	24.9%	112,057	R+46.3	↑ D+52.9
▶	Illinois	KirkREP	48.0%	1,778,698	GiannouliasDEM	46.4%	1,719,478	R+1.6	↓ R+44.5
▶	Indiana	CoatsREP	54.6%	952,116	EllsworthDEM	40.0%	697,775	R+14.6	↓ R+39.0
▶	Iowa	GrassleyREP	64.3%	718,215	ConlinDEM	33.3%	371,686	R+31.1	↑ D+11.3
▶	Kansas	MoranREP	70.1%	587,175	JohnstonDEM	26.4%	220,971	R+43.7	↓ R+2.0
▶	Kentucky	PaulREP	55.7%	755,411	ConwayDEM	44.2%	599,843	R+11.5	↓ R+10.2
▶	Louisiana	VitterREP	56.5%	715,415	MelanconDEM	37.7%	476,572	R+18.9	↑ D+2.8
▶	Maryland	MikulskiDEM	62.2%	1,140,531	WargotzREP	35.8%	655,666	D+26.4	↓ R+4.6
▶	Massachusetts(S)	BrownREP	51.9%	1,168,107	CoakleyDEM	47.1%	1,058,682	R+4.9	—
▶	Missouri	BluntREP	55.6%	1,032,294	CarnahanDEM	39.2%	727,288	R+16.4	↓ R+0.4
▶	Nevada	ReidDEM	50.3%	362,785	AngleREP	44.5%	321,361	D+5.7	↓ R+20.2
▶	New Hampshire	AyotteREP	60.0%	273,218	HodesDEM	36.8%	167,545	R+23.2	↑ D+9.2
▶	New York	SchumerDEM	66.3%	3,047,880	TownsendREP	32.2%	1,480,423	D+34.1	↓ R+12.8
▶	New York(S)	GillibrandDEM	62.9%	2,836,357	DioguardiREP	35.1%	1,581,831	D+27.8	↓ R+19.1
▶	North Carolina	BurrREP	54.8%	1,458,046	MarshallDEM	43.0%	1,145,074	R+11.8	↓ R+7.2
▶	North Dakota	HoevenREP	76.1%	181,689	PotterDEM	22.2%	52,955	R+53.9	↓ R+90.5
▶	Ohio	PortmanREP	56.9%	2,168,742	FisherDEM	39.4%	1,503,297	R+17.4	↑ D+10.3
▶	Oklahoma	CoburnREP	70.6%	718,482	RogersDEM	26.1%	265,814	R+44.5	↓ R+33.0
▶	Oregon	WydenDEM	57.2%	825,507	HuffmanREP	39.3%	566,199	D+18.0	↓ R+13.7
▶	Pennsylvania	ToomeyREP	51.0%	2,028,945	SestakDEM	49.0%	1,948,716	R+2.0	↑ D+8.6
▶	South Carolina	DemintREP	61.5%	810,771	GreeneDEM	27.6%	364,598	R+33.8	↓ R+24.3
▶	South Dakota	ThuneREP	100.0%	227,947	—	—	—	R+100.0	↓ R+98.8
▶	Utah	LeeREP	61.6%	390,179	GranatoDEM	32.8%	207,685	R+28.8	↑ D+11.5
▶	Vermont	LeahyDEM	64.3%	151,281	BrittonREP	30.9%	72,699	D+33.4	↓ R+12.7
▶	Washington	MurrayDEM	52.4%	1,314,930	RossiREP	47.6%	1,196,164	D+4.7	↓ R+7.5
▶	West Virginia(S)	ManchinDEM	53.5%	283,358	RaeseREP	43.4%	230,013	D+10.1	—
▶	Wisconsin	JohnsonREP	51.9%	1,125,999	FeingoldDEM	47.0%	1,020,958	R+4.8	↓ R+16.1

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