NOTE: Gray indicates insufficient data or a suppressed estimate.
Household sizes in the Los Angeles metro follow a clear east-west gradient, with the largest averages (3.0–3.5+) concentrated in the San Gabriel Valley, Inland Empire foothills, and Santa Ana/Anaheim corridor, reflecting areas with higher proportions of multigenerational and immigrant households. The Westside, coastal communities from Santa Monica through the Palos Verdes Peninsula, and central Hollywood/Downtown LA consistently register the smallest household sizes (1.5–2.2), aligning with higher-density rental housing and younger, single-occupant demographics. Santa Clarita and the northern exurban zip codes form a moderate-sized household cluster (2.8–3.2), distinct from the smaller households in the adjacent San Fernando Valley's western neighborhoods.
Data: U.S. Census Bureau, 2023 ACS
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