RANKING · 2020 CENSUS · 500 SHOWN OF 918
Largest households, US metro areas · 2020
US metro areas ranked by average household size (2023 ACS). Rio Grande City-Roma, TX leads at 3.90. 918 metro areas qualify in total. Texas carries 9 of the top 25 entries.
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RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2000
UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which metro area has the highest average household size?
Rio Grande City-Roma, TX ranks #1 with 3.90 (2020 American Community Survey).
What are the top 5 metro areas by average household size?
Rio Grande City-Roma, TX, El Centro, CA, Town of Pecos, TX, Laredo, TX, Provo-Orem-Lehi, UT.
How many metro areas are in this ranking?
918 metro areas qualify after filtering for population minimums and data availability. The ranking covers 2020 ACS 5-year data.
How is average household size measured?
Average number of people per household. Source: US Census Bureau, American Community Survey 5-year estimates (2020).