Maricopa County Demographics

A map of Maricopa County's Population by Race

Maricopa County, Arizona had a population of 4,420,568 in 2020. It was 53.3% White, 5.5% Black, 4.5% Asian, 30.6% Hispanic, 2.2% Native American/Other, and 3.8% Multiracial. This map presents the population of Maricopa County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Maricopa County is the most populous county of the 15 counties in Arizona.

Maricopa County's White Population

2,357,571 residents of Maricopa County identify as White, or 53.3%. This makes the White share of the population of Maricopa County roughly similar to the White share of the population of Arizona (53.4% White). Of the 15 counties in Arizona, Maricopa County is ranked #7 in terms of White residents as a share of the population.

Maricopa County is more White than neighboring Pima County (51.5% White), and Yuma County (30% White). Maricopa County is less White than neighboring Pinal County (56.4% White), Yavapai County (77.6% White), and La Paz County (54.7% White).

Maricopa County's Black Population

245,239 residents of Maricopa County identify as Black, or 5.5%. This makes the Black share of the population of Maricopa County roughly similar to the Black share of the population of Arizona (4.4% Black). Of the 15 counties in Arizona, Maricopa County is ranked #1 in terms of Black residents as a share of the population.

Maricopa County is more Black than neighboring Pinal County (4.9% Black), Yavapai County (0.6% Black), Pima County (3.5% Black), Yuma County (1.7% Black), and La Paz County (0.6% Black).

Maricopa County's Asian Population

197,910 residents of Maricopa County identify as Asian, or 4.5%. This makes the Asian share of the population of Maricopa County roughly similar to the Asian share of the population of Arizona (3.5% Asian). Of the 15 counties in Arizona, Maricopa County is ranked #1 in terms of Asian residents as a share of the population.

Maricopa County is more Asian than neighboring Pinal County (1.5% Asian), Yavapai County (1.2% Asian), Pima County (2.9% Asian), Yuma County (1.1% Asian), and La Paz County (0.7% Asian).

Maricopa County's Hispanic Population

1,351,415 residents of Maricopa County identify as Hispanic, or 30.6%. This makes the Hispanic share of the population of Maricopa County roughly similar to the Hispanic share of the population of Arizona (30.7% Hispanic). Of the 15 counties in Arizona, Maricopa County is ranked #6 in terms of Hispanic residents as a share of the population.

Maricopa County is more Hispanic than neighboring Pinal County (28.6% Hispanic), Yavapai County (14.6% Hispanic), and La Paz County (25.3% Hispanic). Maricopa County is less Hispanic than neighboring Pima County (35.7% Hispanic), and Yuma County (63.8% Hispanic).

Maricopa County's Native American/Other Population

98,625 residents of Maricopa County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 2.2%. This makes the Native American/Other share of the population of Maricopa County roughly similar to the Native American/Other share of the population of Arizona (4.3% Native American/Other). Of the 15 counties in Arizona, Maricopa County is ranked #11 in terms of Native American/Other residents as a share of the population.

Maricopa County is more Native American/Other than neighboring Yavapai County (2% Native American/Other), and Yuma County (1.3% Native American/Other). Maricopa County is less Native American/Other than neighboring Pinal County (4.7% Native American/Other), Pima County (2.9% Native American/Other), and La Paz County (14.7% Native American/Other).

Maricopa County's Multiracial Population

169,808 residents of Maricopa County identify as Multiracial, or 3.8%. This makes the Multiracial share of the population of Maricopa County roughly similar to the Multiracial share of the population of Arizona (3.7% Multiracial). Of the 15 counties in Arizona, Maricopa County is ranked #7 in terms of Multiracial residents as a share of the population.

Maricopa County is more Multiracial than neighboring Pima County (3.6% Multiracial), and Yuma County (2.1% Multiracial). Maricopa County is less Multiracial than neighboring Pinal County (4% Multiracial), Yavapai County (4.1% Multiracial), and La Paz County (3.9% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.