Maricopa County Flag

Maricopa County

State:
Arizona
County Seat:
Phoenix

Maricopa County's estimated 2025 population is 4,645,947 with a growth rate of 0.65% in the past year according to the most recent United States census data. Maricopa County is the 1st largest county in Arizona. The 2010 population was 3,825,183 and has seen a growth of 21.46% since that time.

4,645,947
Total Population
505
Population Density (mi²)
1
Population Rank (State)
30K 0.65%
Annual Population Growth

Maricopa County Population

Maricopa County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Maricopa County includes 62.98% White, 8.37% other race, 5.76% Black or African American, 4.39% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White2,828,97662.98%
Two or more races734,78716.36%
Other race376,0458.37%
Black or African American258,9625.76%
Asian196,9774.39%
Native American86,9641.94%
Native Hawaiian or Pacific Islander9,2760.21%

Maricopa County Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Maricopa County's average per capita income is $52,654. Household income levels show a median of $85,518. The poverty rate stands at 11.25%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$118,438$151,657
Families$100,929$131,844
Households$85,518$115,162
Non Families$55,568$77,071

$52,654

Average Income

$85,518

Median Household Income

11.25%

Poverty Rate