Household Average Size by Zip Code (ZCTA5) — Phoenix Metro

NOTE: Gray indicates insufficient data or a suppressed estimate.

Household sizes in the Phoenix metro follow a clear core-periphery pattern, with the smallest averages (1.5–2.0) concentrated in downtown Phoenix, Tempe, and central Scottsdale—areas with higher shares of apartments, student housing, and single-occupant units—while the southern and southeastern suburbs around Gilbert, Chandler, and Queen Creek display the largest households (3.0–3.5+), consistent with newer family-oriented subdivisions. The western fringe near Glendale and Buckeye shows notable variability, with pockets of yellow (3.0+) interspersed among moderate-sized household zones, suggesting a mix of established communities and rapidly growing family developments. Northern zip codes trending toward Cave Creek and Carefree generally fall in the 2.4–2.8 range, reflecting a blend of retirement-age and mid-career households on larger-lot properties.

Data: U.S. Census Bureau, 2023 ACS

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