Household Average Size by Zip Code (ZCTA5) — Ohio

NOTE: Gray indicates insufficient data or a suppressed estimate.

Amish and Mennonite communities in Holmes, Wayne, and Tuscarawas counties in east-central Ohio stand out prominently with household average sizes reaching 3.5 or higher, forming the most visually striking cluster of yellow on the map. Urban cores in Cleveland, Columbus, Cincinnati, and Athens display notably lower values in the 1.5–2.0 range, consistent with higher concentrations of single-person households, students, and smaller rental units. Suburban zip codes ringing the major metros generally settle in the 2.4–2.8 range, while scattered rural areas in western and southern Ohio trend slightly above average, likely reflecting family-oriented agricultural communities.

Data: U.S. Census Bureau, 2023 ACS

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