Population 2010

3,817,117

Population 2020

4,420,568

Registered Voters

2,592,800

Republicans

10

Democrat

7

Minor Party

No Party

Municipalities

City Name Population
Phoenix 1,624,569
Mesa 509,475
Chandler 279,458
Scottsdale 242,753
Glendale 249,630
Gilbert 273,136
Tempe 184.118
Peoria 194,917
Surprise  149,191
Avondale 90,564
Goodyear 101,733
Buckeye 101,315
Queen Creak 66,346
El Mirage 36,016
Fountain Hills 23,819
Paradise Valley 12,682
Wickenburg 7,695
Tolleson 7,295
Youngtown 7,012
Guadalupe 5,307
Litchfield Park 6,942
Cave Creak 5,015
Carefree 3,685
Gila Bend  1,887
 

Superintendent of Schools

Treasurer / Tax Collector

Assessor

Auditor

County Commission

District 1  Jack Sellers 
District 2 Thomas Gelvin 
District 3  Bill Gates 
District 4 Clint Hickman 
District 5  Steve Gallardo
 

School Board

President Robert. H Downey
Vice President Ben Owens 
Board Member  Torri Anderson
Board Member  AnnaMarie Knorr 
Board Member  Dr. Gary Miller

Brief Political History

For much of the time after World War II, Maricopa County was one of the more conservative urban counties in the United States. While the city of Phoenix has been evenly split between the two major parties, most of the rest of the county was strongly Republican. Until 2020, every Republican presidential candidate since 1952 had carried Maricopa County. This includes the 1964 presidential run of native son Barry Goldwater, who would not have carried his own state had it not been for a 21,000-vote margin in Maricopa County. Until 2020, it was the largest county in the country to vote Republican. From 1968 to 2016, Democrats held the margin within single digits only three times–in 1992, 1996, and 2016. In 2020, Joe Biden became the first Democrat in 72 years to win the county, which flipped Arizona to the Democratic column for the first time since 1996 and only the second time since 1948.[24] Furthermore, Biden became the first presidential candidate to win more than one million votes in the county. This makes Maricopa County the third county in American history to cast more than one million votes for a presidential candidate. The county is also a statewide bellwether, voting for the statewide winning candidate in all elections except 1996.

Despite its consistent Republican allegiance since 1952, its fast-growing Hispanic population and influx of conservative retirees and Mormons, which were traditionally conservative voting blocs but were increasingly skeptical of President Donald Trump, signaled that it was a crucial bellwether in the 2020 election.

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