91390 ZIP Code Profile, Map, Data & Demographics


ZIP Code 91390: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Santa Clarita, CA 91390

Acceptable Alternative
Agua Dulce, CA 91390
Canyon Cntry, CA 91390
Canyon Country, CA 91390
Green Valley, CA 91390

Not Acceptable, USPS
Mint Canyon, CA 91390
Saugus, CA 91390
Sleepy Valley, CA 91390

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  • ZIP Code Type: STANDARD
  • County: Los Angeles County
  • Centroid: Latitude 34.483, Longitude -118.429
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 128
  • PO Box Addresses: 0
  • Residential Addresses: 6,529
    • Multi-Family Addresses: 27
    • Single Family Addresses: 6,502

The ZIP Code maps and database are updated 4 times per year.
Database updated: July 1, 2021, Maps updated: May 5, 2021.


Santa Clarita, CA 91390 Data & Demographics (As of July 1, 2021)


Total Population 22,002 (100%)
Population in Households 21,718 (98.7%)
Population in Families 19,708 (89.6%)
Population in Group Quarters1 284 ( 1.3%)
Population Density 104
Diversity Index2 63


Median Household Income $123,935
Average Household Income $156,599
% of Income for Mortgage4 23%
Per Capita Income $49,592
Wealth Index5 210


Total HU (Housing Units) 7,375 (100%)
Owner Occupied HU 6,112 (82.9%)
Renter Occupied HU 853 (11.6%)
Vacant Housing Units 410 ( 5.6%)
Median Home Value $671,387
Average Home Value $713,903
Housing Affordability Index3 113


Total Households 6,965
Average Household Size 3.12
Family Households 5,753
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2021 2021-2026
Population 0.37% 0.14%
Households 0.29% 0.03%
Families 0.33% 0.08%
Median Household Income   3.1%
Per Capita Income   2.56%
Owner Occupied HU   0.08%

Santa Clarita, CA 91390 - Peer Comparisons by Rank and Percentile

The table below compares 91390 to the other 1,770 ZIP Codes in California by rank and percentile using July 1, 2021 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 781 56th
Population Density # 1181 33rd
Median Household Income # 180 90th
Housing Affordability Index # 1513 85th
Per Capita Income # 429 76th
Diversity Index # 1045 41st

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.

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