County · Arizona
Maricopa County, Arizona
Maricopa County, Arizona. Maricopa County had 4,689,558 residents in 2025 by the Census Bureau's estimate, up 6.0% since 2020, slower than Arizona (+6.5%). It holds 45 places (25 cities, villages and boroughs and 20 census-designated) and 1,009 census tracts. GEOID 04013.
Maricopa County is one of the 2 counties of the Phoenix-Mesa-Chandler, AZ metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
4,689,558
Census Bureau estimate (no margin published)
2020 Census count: 4,420,568 · ACS 2020-2024: 4,559,748
Median household income
$89,300
±$562 (90% margin)
Arizona: $79,964
Median home value
$452,800
±$1,398 (90% margin)
Arizona: $394,500
Median gross rent
$1,708
±$8 (90% margin)
Arizona: $1,543
How many people live in Maricopa County, and is it growing?
The 2020 Census counted 4,420,568 residents in Maricopa County. The Census Bureau estimates 4,689,558 for July 1, 2025, up 6.0% since 2020, slower than Arizona (+6.5%). The 2020-2024 American Community Survey puts the population at 4,559,748 over 9,202 square miles of land.
| Measure | Maricopa County | Arizona | Change since 2015-2019 |
|---|---|---|---|
| Total population | 4,559,748 | 7,378,838 | +230,938 |
| Households | 1,730,696±4,424 | 2,856,081 | +178,600 |
| Average household size | 2.59±0.01 | 2.53 | −0.16 |
| Housing units | 1,884,334±536 | 3,192,839 | +143,640 |
Maricopa County's population since 2000
From 3,072,149 in 2000 to 4,689,558 in 2025: up 52.6%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Maricopa County?
Maricopa County holds 45 places: 25 cities, villages and boroughs (incorporated places) and 20 census-designated places. The largest is Phoenix with 1,665,481 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Phoenix | 1,608,139 | $81,332 |
|---|---|---|
| Mesa | 504,258 | $82,752 |
| Chandler | 275,987 | $108,095 |
| Gilbert | 267,918 | $122,551 |
| Glendale | 248,325 | $73,530 |
| Scottsdale | 241,361 | $110,886 |
| Peoria | 190,985 | $95,815 |
| Tempe | 180,587 | $79,663 |
| Surprise | 143,148 | $96,711 |
| Goodyear | 95,294 | $103,319 |
| Buckeye | 91,502 | $99,486 |
| Avondale | 89,334 | $86,123 |
| Queen Creek | 59,519 | $141,978 |
| Sun City | 39,931 | $54,586 |
| El Mirage | 35,805 | $78,050 |
| Sun City West | 25,806 | $63,685 |
| Fountain Hills | 23,820 | $112,654 |
| Anthem | 23,190 | $120,613 |
| New River | 17,290 | $134,289 |
| Sun Lakes | 14,868 | $67,853 |
| Paradise Valley | 12,658 | $247,159 |
| Tolleson | 7,216 | $59,626 |
| Youngtown | 7,056 | $68,321 |
| Litchfield Park | 6,847 | $126,250 |
| Wickenburg | 7,474 | $67,600 |
| Guadalupe | 5,322 | $51,354 |
| Citrus Park | 5,194 | $141,026 |
| Cave Creek | 4,892 | $107,067 |
| Carefree | 3,690 | $147,165 |
| Rio VerdeGEOID 0460250 | 2,210 | $131,723 |
| Gila BendGEOID 0427050 | 1,892 | $52,254 |
| KomatkeGEOID 0438655 | 1,013 | not published |
| Maricopa ColonyGEOID 0444450 | 854 | $34,620 |
| St. Johns, Maricopa CountyGEOID 0462362 | 690 | not published |
| WittmannGEOID 0484140 | 684 | not published |
| Gila CrossingGEOID 0427260 | 636 | $60,357 |
| AguilaGEOID 0400730 | 565 | $72,727 |
| Circle CityGEOID 0413610 | 522 | $41,875 |
| Apache Junction | 38,499 | $60,975 |
| MorristownGEOID 0447750 | 186 | $59,911 |
| ArlingtonGEOID 0404020 | 150 | not published |
| ThebaGEOID 0473490 | 111 | not published |
| KakaGEOID 0436780 | 83 | not published |
| WintersburgGEOID 0484000 | 51 | not published |
| TonopahGEOID 0474540 | 23 | not published |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Maricopa County?
The median resident of Maricopa County is 37.6 years old; 22.5% are under 18 and 16.3% are 65 or older. The largest group is non-Hispanic white residents at 52.5%, then Hispanic or Latino residents (of any race) at 31.2%. 14.5% of residents were born outside the United States.
| Measure | Maricopa County | Arizona | Change since 2015-2019 |
|---|---|---|---|
| Median age | 37.6±0.2 | 39.0 | +1.2 |
| Under 18 years | 22.5% | 21.6% | – |
| 65 years and over | 16.3% | 18.9% | – |
| Hispanic or Latino (any race) | 31.2% | 31.4% | +0.2 pts |
| White alone, not Hispanic | 52.5%±0.1 pts | 52.6% | −2.7 pts |
| Black or African American alone, not Hispanic | 5.4%±0.1 pts | 4.4% | no clear change |
| Asian alone, not Hispanic | 4.5%±0.1 pts | 3.5% | +0.4 pts |
| American Indian and Alaska Native alone, not Hispanic | 1.3%±0.1 pts | 3.2% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.2%±0.1 pts | 0.2% | – |
| Two or more races, not Hispanic | 4.5%±0.1 pts | 4.4% | – |
| Some other race alone, not Hispanic | 0.5%±0.1 pts | 0.5% | – |
| Born outside the United States | 14.5%±0.2 pts | 13.0% | −0.3 pts |
| Speak a language other than English at home (age 5+) | 26.0%±0.2 pts | 25.7% | – |
| Civilian veterans (age 18+) | 6.6%±0.1 pts | 7.9% | – |
| With a disability | 12.2%±0.1 pts | 13.8% | – |
| No health insurance coverage | 10.6%±0.2 pts | 10.5% | no clear change |
| High school graduate or higher (age 25+) | 89.8%±0.2 pts | 89.4% | – |
| Bachelor's degree or higher (age 25+) | 36.7%±0.3 pts | 33.3% | +4.0 pts |
| Graduate or professional degree (age 25+) | 14.0%±0.2 pts | 13.0% | – |
| Moved from another state in the past year | 3.3%±0.1 pts | 3.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Maricopa County earn?
Half of Maricopa County's 1,730,696 households earn less than $89,300 a year (±$562), against $79,964 in Arizona. In 2015-2019 the median was $79,340 in 2024 dollars, so it rose by $9,960 after inflation. 11.0% of residents live below the poverty line.
| Measure | Maricopa County | Arizona | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $89,300±$562 | $79,964 | +$9,960 |
| Mean household income | $120,016±$793 | $108,273 | – |
| Per capita income | $46,183±$290 | $42,503 | +$5,227 |
| People below the poverty line | 11.0%±0.2 pts | 12.5% | −2.8 pts |
| Children under 18 below the poverty line | 14.4%±0.6 pts | 16.2% | −5.4 pts |
| Households receiving SNAP | 8.6%±0.2 pts | 10.4% | – |
| Households with a broadband subscription | 93.1%±0.2 pts | 91.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Maricopa County?
Owners occupy 65.2% of Maricopa County's occupied homes and renters 34.8%. The median owner-occupied home is valued at $452,800 by its owner (±$1,398). The median renter pays $1,708 a month including utilities, and 43.1% of renters pay 35% or more of their income on rent.
| Measure | Maricopa County | Arizona | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $452,800±$1,398 | $394,500 | +$132,573 |
| Median gross rent | $1,708±$8 | $1,543 | +$321 |
| Renters paying 35% or more of income on rent | 43.1%±0.6 pts | 42.2% | +4.4 pts |
| Median monthly owner costs, with a mortgage | $1,931±$9 | $1,803 | – |
| Owner-occupied homes | 65.2%±0.3 pts | 67.4% | +3.0 pts |
| Housing units | 1,884,334±536 | 3,192,839 | +143,640 |
| Homeowner vacancy rate | 0.9%±0.1 pts | 1.0% | – |
| Rental vacancy rate | 6.0%±0.3 pts | 5.8% | – |
| Single-family detached homes | 64.2%±0.2 pts | 64.2% | – |
| Mobile homes | 4.6%±0.1 pts | 9.3% | – |
| Built 2020 or later | 3.0%±0.1 pts | 2.8% | – |
| Built 1939 or earlier | 0.9%±0.1 pts | 1.4% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Maricopa County building?
Builders took permits for 31,651 new housing units across Maricopa County in 2025 (17,244 single-family), 6.7 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Maricopa County get to work?
64.8% of Maricopa County's workers drive alone and 20.8% work from home. The average trip to work takes 26.0 minutes. The unemployment rate in 2020-2024 averaged 4.5%.
| Measure | Maricopa County | Arizona | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 65.1%±0.2 pts | 60.6% | – |
| Unemployment rate | 4.5%±0.1 pts | 5.1% | −0.5 pts |
| Drove alone to work | 64.8%±0.3 pts | 66.8% | – |
| Carpooled | 9.5%±0.2 pts | 9.8% | – |
| Public transportation | 1.2%±0.1 pts | 1.0% | – |
| Walked | 1.4%±0.1 pts | 1.7% | – |
| Worked from home | 20.8%±0.3 pts | 18.4% | +13.8 pts |
| Mean travel time to work | 26.0 min±0.2 | 25.4 min | −0.4 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Maricopa County's census tracts?
Maricopa County is divided into 1,009 census tracts. Among those with a reliable estimate, median household income runs from $22,943 (Tract 1139) to $250,000 or more (Tract 1080).
All 1,009 census tracts of Maricopa County, with their figures
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Maricopa County compare with Arizona's other counties?
| Measure | Rank |
|---|---|
| Population | 1st of 15 |
| Growth 2020-2025 | 5th of 15 |
| Residents per square mile | 1st of 15 |
| Median household income | 1st of 15 |
| Median home value | 1st of 15 |
| Median gross rent | 1st of 15 |
| Poverty rate | 14th of 15 |
| Bachelor's degree or higher | 3rd of 15 |
| Median age | 10th of 15 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Maricopa County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.