ZIP Code 94509 — Antioch, California

The median home in 94509 is valued at $516,200 against a median household income of $78,637, a price-to-income ratio of 6.6. That is in line with the 6.7 median across the 1,558 California ZIP codes with published housing data, and well past the 3.0 ratio that marks an attainable market nationally, so buying here on a local median income requires substantial savings or a second income. Within Contra Costa County, 94509 ranks 15 of 40 ZIPs on affordability (1 = lowest ratio); the county median ratio is 6.8. Renting takes 30.7% of median household income (median rent $2,011 a month), above the 30% cost-burden threshold.

94509 ranks 913 of 1,558 statewide on median household income and 913 of 1,558 on median home value; its income is below the $120,565 Contra Costa County median. 56% of households own their home, below the 64% statewide ZIP median, making this a majority-owner ZIP. 18% of adults hold a bachelor's degree or higher, below the 31% median, and the poverty rate is 14.7%, above the 10.8% statewide ZIP median. Unemployment stands at 8.5%.

With 4,074 residents per square mile across 17.4 square miles of land, 94509 is far denser than the statewide ZIP median of 1,120 (rank 507 of 1,558). This is predominantly single-family residential with suburban street patterns.