RANKING · 2024 ACS · 500 SHOWN OF 16,816
Oldest housing stock, US ZIP codes
US ZIP codes ranked by oldest median year of construction (2024 ACS). 90014 leads at 1938. 16,816 ZIP codes qualify in total. ZIP codes with fewer than 2,500 residents are excluded. California carries 19 of the top 25 entries.
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RANKPLACESTATEPOPMEDIAN YEAR BUILTVS –
USUnited States334,922,4991980–
UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which ZIP code has the lowest median year built?
90014 ranks #1 with 1938 (2024 American Community Survey).
What are the top 5 ZIP codes by median year built?
90014, 90021, 90062, 91104, 94108.
How many ZIP codes are in this ranking?
16,816 ZIP codes qualify after filtering for population minimums and data availability (minimum 2,500 residents). The ranking covers 2024 ACS 5-year data.
How is median year built measured?
Median year that housing structures were built. Source: US Census Bureau, American Community Survey 5-year estimates (2024).