NOTE: Gray indicates insufficient data or a suppressed estimate.
Oahu's western and central zip codes exhibit the largest average household sizes in the state, with several areas reaching 3.0–3.5 persons per household, likely reflecting multigenerational living arrangements in communities such as Waianae and Ewa Beach. In contrast, Molokai and portions of Honolulu's urban core display notably smaller household sizes, dropping to approximately 1.5–2.0, consistent with higher concentrations of single-person households and smaller rental units. The Big Island and Maui show moderate and spatially heterogeneous patterns, with coastal resort-adjacent zip codes generally trending smaller than inland agricultural communities.
Data: U.S. Census Bureau, 2023 ACS
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