Household Average Size by Zip Code (ZCTA5) — Utah

NOTE: Gray indicates insufficient data or a suppressed estimate.

Northern Utah's Wasatch Front corridor displays notable variation, with many suburban zip codes in Utah and Davis counties reaching household sizes above 3.5 (bright yellow), while adjacent urban cores in Salt Lake City trend lower around 2.0–2.5. Rural eastern and southeastern Utah zip codes consistently register among the lowest household sizes in the state, with several areas falling below 2.0, likely reflecting older or smaller household demographics in those sparsely populated regions. The southwestern corner around St. George shows a mixed pattern, with pockets of both higher and lower household sizes suggesting varied development stages and demographic compositions within that rapidly growing area.

Data: U.S. Census Bureau, 2023 ACS

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