Maricopa County, Arizona

Maricopa County: County in Arizona, United States

About

Maricopa County is a county located in the U.S. state of Arizona. As of the 2010 census, the population was 3,817,117 and a population density of 160 people per km². After 10 years in 2020 county had an estimated population of 4,579,081 inhabitants. Its county seat is Phoenix. The county was created 154 years ago in 1871.

Maricopa County locator map
Location of Maricopa County on Arizona map.

Quick Facts about Maricopa County

Population : 4,579,081 (2020)
Country : United States of America
State : Arizona (United States)
Different from : Maricopa
Twitter username : maricopacounty
Area : 23891 km2
Water as percent of area : 0.3%
Land as percent of area : 99.7%
Named for : Maricopa people
Altitude : 1,243 feet / 379 meters
Capital : Phoenix
Establishment : February 02, 1871
Time Zone : America/Phoenix
Local time : 01:49:49 (22nd February 2025)
Density : 192 Pop. per km² as of 2020
Population growth : 16.64% (2010-2020)
Maricopa County Courthouse October 6 2013 Phoenix Arizona 2816x2112 Rear image
Maricopa County Courthouse October 6 2013 Phoenix Arizona 2816x2112 Rear
Maricopa County Courthouse October 6 2013 Phoenix Arizona 2816x2112 Rear image
Maricopa County Courthouse October 6 2013 Phoenix Arizona 2816x2112 Rear image

Geography

Maricopa County is located at 33°20'56"N 112°29'28"W (33.3488300, -112.4912300). It has 6 neighbors: Gila County, La Paz County, Pima County, Pinal County, Yavapai County and Yuma County.

Maricopa County map

Click "full screen" full screen map icon to open full mode. View satellite images

The largest city of Maricopa County is Phoenix with a population of 1,708,127. Other cities include, Mesa population 528,159, Chandler population 265,398, Scottsdale population 262,647 and Gilbert population 257,658. See all Maricopa County cities & populated places.

Maricopa County Populated Places (more)

Cities, towns, neighborhoods & other populated places in Maricopa County.

City Name Population Title
Phoenix 1,708,127 The fifth most populous city in the United States and the center of the Phoenix metropolitan area.
Mesa 528,159 The fourth most populous city in Arizona and the center of the Mesa metropolitan area.
Chandler 265,398 The second most populous city in Maricopa County, Arizona.
Scottsdale 262,647 The fourth most populous city in Arizona and the center of the Scottsdale metropolitan area.
Gilbert 257,658 The fifth most populous city in Arizona.
Glendale 255,307 The second most populous city in Arizona.
Maryvale 208,189 Urban village in Phoenix, Arizona, United States
Tempe 200,402 The third most populous city in Arizona.
Peoria 179,872 The second most populous city in Maricopa County, Arizona.
Tempe Junction 158,368 A census-designated place in Maricopa County, Arizona.
Surprise 147,965 The seventh most populous city in Arizona.
Goodyear 90,622 The most populous city in Maricopa County, Arizona.
Avondale 88,914 The most populous city in Maricopa County, Arizona.
Buckeye 85,224 Town in Maricopa County, Arizona
Queen Creek 60,097 Town in Arizona, United States
Sun City 37,499 Census designated place in Maricopa County, Arizona, United States

Maricopa County has 6 neighbours.

  • Phoenix

Demographics

The population of Maricopa County increased by 16.64% in 10 years.

Year Population % Change Method
2010 3,817,117 - census
2011 3,874,996 1.49% estimation process
2012 3,947,505 1.84% estimation process
2013 4,017,723 1.75% estimation process
2014 4,093,648 1.85% estimation process
2015 4,172,905 1.9% estimation process
2016 4,256,143 1.96% estimation process
2017 4,327,184 1.64% estimation process
2018 4,402,403 1.71% estimation process
2019 4,485,414 1.85% estimation process
2020 4,579,081 2.05% estimation process
Map of countries with a smaller population than Maricopa County

Comitatul Maricopa, Comte de Maricopa, Comté de Maricopa, Condado de Maricopa, Condado han Maricopa, Contea di Maricopa, Hrabstwo Maricopa, Konteth Maricopa, Maricopa, Maricopa County, Maricopa Kontlugu, Maricopa Kontluğu, Maricopa Kun, Maricopa Kūn, Maricopa konderria, Maricopa maakond, Maricopa megye, Maricopa okrug, Maricopan piirikunta, Marikopa, Marikopa srjan, Okrug Marikopa, Quan Maricopa, Quận Maricopa, ma li ke pa xian, maelikopa gun, marikopa jun, marikopa ka'unti, mqatʿt marykwba, mryqwph, shhrstan mrykwpa aryzwna, Марикопа, Марікопа, Округ Марикопа, Մարիկոպա շրջան, מריקופה, شهرستان مریکوپا، آریزونا, ماریکوپا کاؤنٹی, ماریکوپا کاؤنٹی، ایریزونا, مقاطعة ماريكوبا, মারিকোপা কাউন্টি, ማሪኮፓ ካውንቲ፥ አሪዞና, マリコパ郡, 馬里科帕縣, 매리코파 군

People born in Maricopa County (4)

People born in Maricopa County, including baseball player Bob Horner, US association football player Brooks Lennon, economist and executive David Chandler Thomas, .

List

  • Vanilla Bizcotti (actor) he was born in 17/02/1985

Arizona Other Counties (more counties)

County Name Population Title
Phoenix 1,708,127 The fifth most populous city in the United States and the center of the Phoenix metropolitan area.
Pima County 1,061,175 County in Arizona, United States
Tucson 553,571 The second most populous city in Arizona and the center of the Tucson metropolitan area.
Mesa 528,159 The fourth most populous city in Arizona and the center of the Mesa metropolitan area.
Pinal County 480,828 County in Arizona, United States
Chandler 265,398 The second most populous city in Maricopa County, Arizona.
Scottsdale 262,647 The fourth most populous city in Arizona and the center of the Scottsdale metropolitan area.
Gilbert 257,658 The fifth most populous city in Arizona.
Glendale 255,307 The second most populous city in Arizona.
Yavapai County 240,226 County in Arizona, United States
Yuma County 217,824 County in Arizona, United States
Mohave County 217,206 County in Arizona, United States
Maryvale 208,189 Urban village in Phoenix, Arizona, United States
Tempe 200,402 The third most populous city in Arizona.
Peoria 179,872 The second most populous city in Maricopa County, Arizona.
Tempe Junction 158,368 A census-designated place in Maricopa County, Arizona.