Married Couple (% of all Households) by Zip Code (ZCTA5) — California

NOTE: Gray indicates insufficient data or a suppressed estimate.

Zip codes in California's inland suburban and exurban areas—particularly in the Central Valley, eastern Sacramento metro, and portions of Orange and San Bernardino counties—tend to exhibit the highest married-couple household rates, frequently exceeding 60–80%, while dense urban cores in San Francisco, Oakland, Los Angeles, and Sacramento cluster at the lower end of the scale, often below 30–40%. Coastal communities display notable variability, with affluent suburban enclaves showing elevated marriage rates adjacent to lower-rate urban zip codes. The rural northeastern and Sierra Nevada regions present a mixed pattern, with some sparsely populated zip codes reaching high percentages while others—particularly those with smaller, younger, or seasonal populations—fall considerably lower.

Data: U.S. Census Bureau, 2023 ACS

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