ZIP Code 91978 — Spring Valley, California

The median home in 91978 is valued at $528,000 against a median household income of $95,541, a price-to-income ratio of 5.5. That is below 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, though it is among the more attainable ratios in the state. Within San Diego County, 91978 ranks 10 of 94 ZIPs on affordability (1 = lowest ratio); the county median ratio is 7.4. Renting takes 27.6% of median household income (median rent $2,200 a month), under the 30% cost-burden threshold.

91978 ranks 638 of 1,558 statewide on median household income and 899 of 1,558 on median home value; its income is in line with the $98,033 San Diego County median. 62% of households own their home, in line with the 64% statewide ZIP median, making this a majority-owner ZIP. 27% of adults hold a bachelor's degree or higher, below the 31% median, and the poverty rate is 18.4%, far above the 10.8% statewide ZIP median. Unemployment stands at 6.7%.

With 925 residents per square mile across 11.9 square miles of land, 91978 is less dense than the statewide ZIP median of 1,120 (rank 811 of 1,558). This is a low-density pattern of large lots, small towns or scattered subdivisions.