ZIP Code 91390 — Santa Clarita, California
📍 ZIP code 91390 is in Santa Clarita, Los Angeles County, California.
ZIP code 91390 is located in Santa Clarita, Los Angeles County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 18,930. The area code for zip code 91390 is 661.
ZIP Code 91390 Map
Coordinates: 34.5456°N, 118.4201°W
ZIP Code 91390 Demographics
Population
Income & Economy
Housing
Education
Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).
Affordability & Profile: ZIP 91390 in Context
The median home in 91390 is valued at $800,000 against a median household income of $145,465, 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 Los Angeles County, 91390 ranks 17 of 275 ZIPs on affordability (1 = lowest ratio); the county median ratio is 9.2. Renting takes 18.4% of median household income (median rent $2,230 a month), under the 30% cost-burden threshold.
91390 ranks 169 of 1,558 statewide on median household income and 494 of 1,558 on median home value; its income is far above the $87,339 Los Angeles County median. 87% of households own their home, above the 64% statewide ZIP median, making this a majority-owner ZIP. 41% of adults hold a bachelor's degree or higher, above the 31% median, and the poverty rate is 5.3%, far below the 10.8% statewide ZIP median and among the lowest in the state. Unemployment stands at 3.8%.
With 120 residents per square mile across 158.1 square miles of land, 91390 is far less dense than the statewide ZIP median of 1,120 (rank 1,115 of 1,558). This is rural or open territory where most of the land is agricultural, forest, desert or public land.
Ratios and ranks are computed from the ACS figures above across the 1,558 California ZIP codes with published housing data. See the 2026 California affordability report for the statewide analysis and the methodology for definitions.
Nearby Zip Codes
Cities & Places Served
ZIP code 91390 primarily serves Santa Clarita in Los Angeles County, California.