NOTE: Gray indicates insufficient data or a suppressed estimate.
Northwestern Alaska zip codes, particularly those in the Nome and Kotzebue regions, display the highest average household sizes in the state, frequently exceeding 3.0 persons per household, likely reflecting larger Indigenous family structures in rural villages. In contrast, southeastern Alaska and several zip codes in the Anchorage–Fairbanks urban corridor show notably lower averages, with some areas in downtown Anchorage and Juneau dropping below 2.0, consistent with higher concentrations of single-person households in urban centers. The central interior presents a mixed pattern, with pockets of very low household sizes (around 1.5–1.8) adjacent to moderate values, suggesting sharp demographic variation even within relatively close zip codes.
Data: U.S. Census Bureau, 2023 ACS
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