ZIP Code 94931 — Cotati, California

The median home in 94931 is valued at $720,400 against a median household income of $98,475, a price-to-income ratio of 7.3. That is above 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 Sonoma County, 94931 ranks 13 of 30 ZIPs on affordability (1 = lowest ratio); the county median ratio is 7.9. Renting takes 20.8% of median household income (median rent $1,708 a month), under the 30% cost-burden threshold.

94931 ranks 596 of 1,558 statewide on median household income and 582 of 1,558 on median home value; its income is in line with the $100,331 Sonoma County median. 60% of households own their home, below the 64% statewide ZIP median, making this a majority-owner ZIP. 36% of adults hold a bachelor's degree or higher, above the 31% median, and the poverty rate is 7.1%, below the 10.8% statewide ZIP median. Unemployment stands at 4.7%.

With 1,162 residents per square mile across 7.7 square miles of land, 94931 is in line with the statewide ZIP median of 1,120 (rank 771 of 1,558). This is a low-density pattern of large lots, small towns or scattered subdivisions.