ZIP Code 91901 — Alpine, California

The median home in 91901 is valued at $740,000 against a median household income of $110,013, a price-to-income ratio of 6.7. 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 San Diego County, 91901 ranks 32 of 94 ZIPs on affordability (1 = lowest ratio); the county median ratio is 7.4. Renting takes 21.4% of median household income (median rent $1,963 a month), under the 30% cost-burden threshold.

91901 ranks 452 of 1,558 statewide on median household income and 554 of 1,558 on median home value; its income is above the $98,033 San Diego County median. 73% of households own their home, above the 64% statewide ZIP median, making this a majority-owner ZIP. 30% of adults hold a bachelor's degree or higher, below the 31% median, and the poverty rate is 8.8%, below the 10.8% statewide ZIP median. Unemployment stands at 6.3%.

With 240 residents per square mile across 77.9 square miles of land, 91901 is far less dense than the statewide ZIP median of 1,120 (rank 1,024 of 1,558). This is rural or open territory where most of the land is agricultural, forest, desert or public land.