ZIP Code Tabulation Area · California

ZIP Code 91321: Santa Clarita, CA

ZIP Code 91321 (Santa Clarita, Los Angeles County, California) has an estimated 31,989 residents in 10,863 households. The median household income is $91,092, the median home value is $691,600 and the median gross rent is $2,134/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Total population

31,989

Margin of error ±2,000

Median household income

$91,092

Margin of error ±$8,880

Median home value

$691,600

Margin of error ±$34,943

Median gross rent

$2,134/mo

Margin of error ±$112

Median age

36.5 yrs

Margin of error ±2.5 yrs

Mean travel time to work

30.5 min

Margin of error ±4.0 min

How ZIP 91321 compares with California and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 9132136.5 yrsCalifornia37.9 yrsUnited States38.9 yrs

Median household income

ZIP 91321$91,092California$99,122United States$80,734

Per capita income

ZIP 91321$41,866California$49,513United States$44,673

Poverty rate

ZIP 913219.6%California12.0%United States12.5%

Unemployment rate

ZIP 913215.4%California6.6%United States5.2%

Bachelor's degree or higher

ZIP 9132132.4%California37.1%United States35.7%

Median home value

ZIP 91321$691,600California$734,700United States$332,700

Median gross rent

ZIP 91321$2,134/moCalifornia$2,036/moUnited States$1,413/mo

Owner-occupied homes

ZIP 9132160.8%California55.9%United States65.2%

Mean travel time to work

ZIP 9132130.5 minCalifornia28.7 minUnited States26.4 min

Worked from home

ZIP 9132113.6%California17.2%United States15.1%

All figures for ZIP 91321

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 91321 — ACS 2020–2024 5-year estimates
MeasureZIP 91321Margin of errorCaliforniaUnited States
Total population31,989±2,00039,287,377334,922,499
Median age36.5 yrs±2.5 yrs37.9 yrs38.9 yrs
Households10,863±53513,548,091129,227,496
Median household income$91,092±$8,880$99,122$80,734
Per capita income$41,866±$3,229$49,513$44,673
Poverty rate9.6%±2.4 pts12.0%12.5%
Unemployment rate5.4%±1.6 pts6.6%5.2%
Bachelor's degree or higher32.4%±3.2 pts37.1%35.7%
Median home value$691,600±$34,943$734,700$332,700
Median gross rent$2,134/mo±$112$2,036/mo$1,413/mo
Owner-occupied homes60.8%±3.6 pts55.9%65.2%
Mean travel time to work30.5 min±4.0 min28.7 min26.4 min
Worked from home13.6%±2.4 pts17.2%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 91321
GroupZIP 91321CaliforniaUnited States
White alone, not Hispanic or Latino31.9%33.8%57.4%
Black or African American alone, not Hispanic or Latino2.2%5.2%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.3%0.5%
Asian alone, not Hispanic or Latino8.9%15.3%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.1%0.3%0.2%
Some other race alone, not Hispanic or Latino0.2%0.6%0.6%
Two or more races, not Hispanic or Latino3.8%4.4%4.3%
Hispanic or Latino (of any race)52.9%40.2%19.3%

Where ZIP 91321 is

State
California
Main county
Los Angeles County
Largest overlapping place
Santa Clarita (51% of the ZIP's land area)
Land area
26.66 sq mi· about 1,200 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Los Angeles County

91301 Agoura Hills, CA91302 Calabasas, CA91303 Los Angeles, CA91304 Los Angeles, CA91306 Los Angeles, CA91307 Los Angeles, CA91311 Los Angeles, CA91316 Los Angeles, CA91324 Los Angeles, CA91325 Los Angeles, CA91326 Los Angeles, CA91330 Los Angeles, CA91331 Los Angeles, CA91335 Los Angeles, CA91340 San Fernando, CA91342 Los Angeles, CA91343 Los Angeles, CA91344 Los Angeles, CA91345 Los Angeles, CA91350 Santa Clarita, CA91351 Santa Clarita, CA91352 Los Angeles, CA91354 Santa Clarita, CA91355 Santa Clarita, CA

See every ZIP code in California, or compare ZIP 91321 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.