Maricopa County Population

1880–2026

4.72M

2026 projection

6.3% since 2020 (increase)

01M2M3M4M5M18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Maricopa County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20264,724,969+35,4110.76%
20254,689,558+35,4110.76%
20244,654,147+53,0701.15%
20234,601,077+41,5160.91%
20224,559,561+59,5021.32%
20214,500,059+55,0341.24%
20204,445,025-47,2361.05%
20194,492,261+86,9551.97%
20184,405,306+76,0791.76%
20174,329,227+71,2081.67%

Showing 10 of 29 years.

Maricopa County Demographics

37.6median age

Median age

Female38.7 yrs
Male36.7 yrs

Adults

3,535,491
742,814 seniors (65+) · 21% of adults2,792,677 other adults

Sex

Female 50.3% · 2,291,731Male 49.7% · 2,268,017

Population by age

MaleFemale85+ years, male: 31,38985+ years, female: 50,09080–84 years, male: 40,50480–84 years, female: 49,81875–79 years, male: 68,20675–79 years, female: 77,72970–74 years, male: 91,42070–74 years, female: 107,21665–69 years, male: 105,97665–69 years, female: 120,46660–64 years, male: 129,48460–64 years, female: 135,16655–59 years, male: 132,11755–59 years, female: 136,93050–54 years, male: 140,88050–54 years, female: 141,40045–49 years, male: 138,41345–49 years, female: 139,40040–44 years, male: 150,81040–44 years, female: 149,15435–39 years, male: 158,45335–39 years, female: 151,33430–34 years, male: 170,28630–34 years, female: 163,93525–29 years, male: 169,80625–29 years, female: 163,50820–24 years, male: 155,27820–24 years, female: 147,54015–19 years, male: 157,86115–19 years, female: 149,24410–14 years, male: 153,84210–14 years, female: 147,0605–9 years, male: 142,4735–9 years, female: 136,1920–4 years, male: 130,8190–4 years, female: 125,54985+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–450K50K100K100K150K150K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 45,597 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Maricopa County Income

$89,300median household income

Median household income

$89,300

Half of households earn more, half earn less

Median earnings

$54,656

Typical yearly pay for a worker 25 or older.

Poverty rate

11%

About 1 in 9 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Maricopa County Marital Status

47% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married47%49%46%
Never married35%39%32%
Divorced11%9%13%
Widowed5%2%7%
Separated1%1%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year