Mitt Romney carried Arizona R+9.0.

Barack Obama (D) vs Mitt Romney (R) in Arizona, 2012. The state ran 12.9 points more Republican than the nation (D+3.9 nationally). A US Senate contest shared the 2012 ballot here.

Nominees: Barack Obama (D) · Mitt Romney (R)

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Arizona result

2,306,559 votes counted

Obama (D)

1,025,232

44.4%

Romney (R)

1,233,654

53.5%

All others

47,673

2.1%

Margin

R+9.0

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2012 presidential election

Arizona, 2012

RomneyR+9.0

How it voted

Share of the 2012 vote

Mitt Romney ✓Republican	53.5%	1,233,654
Barack ObamaDemocratic	44.4%	1,025,232
OtherAll other candidates	2.1%	47,673

D+60

R+60

15 counties, each filled by 2012 D-vs-R margin. Hover any county for its result.

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Arizona's presidential margins

1912–2024, the 2012 contest in context

Arizona's presidential margins

Year	Margin (D minus R)
1912	+30.8%
1916	+21.8%
1920	−11.2%
1924	−5.8%
1928	−15.3%
1932	+36.5%
1936	+42.9%
1940	+27.5%
1944	+17.9%
1948	+10.0%
1952	−16.7%
1956	−22.1%
1960	−11.1%
1964	−0.8%
1968	−19.8%
1972	−31.3%
1976	−16.6%
1980	−32.4%
1984	−33.9%
1988	−21.2%
1992	−2.0%
1996	+2.2%
2000	−6.3%
2004	−10.5%
2008	−8.5%
2012	−9.0%
2016	−3.5%
2020	+0.3%
2024	−5.5%

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County results — 2012

15 counties; every row links to the county's full page.

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County	Won	Margin	Democratic	Republican	Total
Apache County	D	+34.3%	17,147	8,250	25,917
Cochise County	R	−22.3%	18,546	29,497	49,201
Coconino County	D	+15.5%	29,257	21,220	51,962
Gila County	R	−26.7%	7,697	13,455	21,595
Graham County	R	−37.5%	3,609	8,076	11,905
Greenlee County	R	−9.4%	1,310	1,592	2,986
La Paz County	R	−32.0%	1,880	3,714	5,735
Maricopa County	R	−10.7%	602,288	749,885	1,380,959
Mohave County	R	−42.1%	19,533	49,168	70,328
Navajo County	R	−7.8%	16,945	19,884	37,465
Pima County	D	+6.9%	201,251	174,779	383,173
Pinal County	R	−16.4%	44,306	62,079	108,682
Santa Cruz County	D	+37.7%	9,486	4,235	13,911
Yavapai County	R	−30.3%	33,918	64,468	100,667
Yuma County	R	−12.6%	18,059	23,352	42,073