Maricopa County, AZ

AZ · Presidential Elections 1912–2024

R+3.5
2024 Margin
R+5.6%
2020→2024 Swing
R since 2024
Voting Streak
4.6M
Population

Maricopa County, AZ (Arizona) voted R+3.5 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 1,051,531 votes (51.01%) to 980,016 (47.54%) for Harris.

This represents a R+5.6% swing toward Republicans compared to 2020. Maricopa County is classified as a competitive Republican county. Maricopa County has voted Republican in every presidential election since 2024. The county has a population of approximately 4,559,748.

Quick Stats

2024 ResultR+3.5
2020→2024 SwingR+5.6%
Voting StreakR since 2024
Elections on Record29

Demographics

Population4,559,748
Median Age
37.6(US: 38.7)
College (BA+)
36.7%(US: 35.2%)
Median Income
$89,300(US: $80k)
White (non-Hisp)
53.4%(US: 57.6%)
Hispanic
31.2%(US: 19.1%)
Black
5.9%(US: 12.2%)
Asian
4.3%(US: 5.7%)
Homeownership
65.2%(US: 64.5%)
Poverty Rate
11.0%(US: 12.3%)
Veterans
6.6%(US: 6.2%)
Non-English (CVAP)
19.8%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Catholic
23.1%
Evangelical
11.5%(Below Average)
LDS/Mormon
6.0%(Unique Concentration)
Mainline Protestant
1.5%
Black Protestant
0.4%

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

Mexican
26.3%Above Average(2.4x)
German
12.4%
English
9.8%
Irish
8.8%
Italian
4.5%
American Heritage
4.2%
+ 3 more reported ancestry groups

Age Distribution

Median:37.6 yrs(US: 38.5)
Under 18
22.5%
18-29
9.3%↓
30-44
21.4%↑
45-64
30.6%↑
65+
16.3%
National average

Employment by Industry

Census ACS
Professional & Technical
13.4%(1.1x US)
Retail Trade
11.8%(1.1x US)
Educational Services
9.0%
Manufacturing
7.9%(0.8x US)
Construction
7.9%(1.2x US)
Healthcare & Social Services
4.4%
National average
+ 1 more sectors

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202447.5%(980,016)51.0%(1,051,531)R+3.5R+5.6
202050.1%(1,040,774)48.0%(995,665)D+2.2D+5.0
201644.8%(702,907)47.7%(747,361)R+2.8D+7.9
201243.6%(602,288)54.3%(749,885)R+10.7R+0.1
200844.1%(602,166)54.7%(746,448)R+10.6D+4.0
200442.3%(504,849)56.9%(679,455)R+14.6R+4.3
200042.9%(386,683)53.2%(479,967)R+10.3R+7.7
199644.5%(363,991)47.2%(386,015)R+2.7D+5.8
199232.6%(285,457)41.1%(360,049)R+8.5D+22.5
198833.9%(230,952)64.9%(442,337)R+31.0D+13.9

Source: Official state election returns via MIT Election Data + Science Lab

Presidential Margin Trend

Maricopa County, AZ • 1912–2024

D+R++40+200-20-40191219201928193619441952196019681976198419922000200820162024
Democratic margin
Republican margin

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202451.4%(1,045,766)46.2%(940,465)D+5.2D+1.0
201851.0%(732,761)46.8%(672,505)D+4.2D+9.6
201245.0%(602,809)50.4%(675,500)R+5.4D+9.0
200641.3%(364,661)55.7%(491,721)R+14.4D+66.7
20000.0%(0)81.1%(663,756)R+81.1R+60.0
199435.8%(228,021)56.9%(362,348)R+21.1R+24.3
198850.5%(340,814)47.4%(319,561)D+3.1R+1.6
198251.1%(199,671)46.3%(180,917)D+4.8D+3.3
197649.3%(206,481)47.8%(200,395)D+1.5D+24.3
197038.6%(88,284)61.4%(140,555)R+22.8R+14.1

Source: Official state election returns via MIT Election Data + Science Lab

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202250.9%(790,352)48.5%(752,782)D+2.4D+16.2
201842.1%(603,055)55.8%(800,210)R+13.8D+0.5
201440.4%(346,879)54.7%(469,200)R+14.3R+1.4
201041.9%(415,142)54.8%(543,045)R+12.9R+36.1
200660.6%(538,383)37.5%(332,570)D+23.2D+26.7
200244.4%(313,107)48.0%(337,954)R+3.5D+24.1
199834.4%(198,175)62.1%(357,308)R+27.6R+15.6
199442.3%(272,298)54.3%(349,473)R+12.0R+0.1
199144.1%(248,691)55.9%(315,811)R+11.9D+2.4
198628.8%(142,540)43.1%(213,049)R+14.2R+36.0

Source: Official state election returns via MIT Election Data + Science Lab

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Source: Official state election returns
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