RANKING · 2024 ACS · 15 SHOWN OF 15

Largest households, Arizona counties

Arizona counties ranked by average household size (2024 ACS). This list covers the 15 counties in Arizona that qualify, ranked against each other statewide. The median across all 15 is 2.57.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDMost expensive homes Cheapest homes Highest median rent Lowest median rent Highest homeownership rate Highest renter share

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2010

01Apache County, AZAZ64,4453.03−16%

02▲2Santa Cruz County, AZAZ50,0202.88−24%

03▼1Graham County, AZAZ40,1572.86−4%

04▲2Pinal County, AZAZ539,3802.80+9%

05▼2Navajo County, AZAZ109,9462.64−11%

06▼1Greenlee County, AZAZ9,3122.60+4%

07▲1Maricopa County, AZAZ4,689,5582.59−3%

08▼1Yuma County, AZAZ224,4492.57−3%

09Coconino County, AZAZ144,3682.38−13%

10Pima County, AZAZ1,074,6852.36−4%

11Cochise County, AZAZ126,3322.35−6%

12Gila County, AZAZ53,8012.23−16%

13▲1Yavapai County, AZAZ252,5522.17−6%

14▼1Mohave County, AZAZ228,1022.12−13%

15La Paz County, AZAZ16,7111.85−7%

SHOWING 1–15 OF 15

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES