ZIP Code 91321, California
ZIP Code 91321 profile, demographic data, and geographic information.
ZCTA5 91321 is a 5-digit ZIP Code area located in Los Angeles County, California. As of official census estimates, it has a reported population of 31,989. The land area covers 26.66 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 31,989 | ±2,000 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 36.5 yrs | ±2.5 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 10,863 | ±535 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 11,338 | ±572 |
| Occupied Housing Units | 10,863 | ±535 |
| Vacant Housing Units | 475 | ±237 |
| Median Home Value | $691,600 | ±$34,943 |
| Median Gross Rent | $2,134 | ±$112 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $91,092 | ±$8,880 |
| Per Capita Income | $41,866 | ±$3,229 |
| Poverty Rate | 9.6% | ±2.4% |
| Population Below Poverty Level | 3,050 | ±797 |
| Unemployment Rate | 5.4% | ±1.6% |
| Civilian Labor Force, Employed | 16,083 | ±1,126 |
| Broadband Internet Rate | 95.5% | ±1.7% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 9,757,179 (2024)
ID: 123085
|
County | Official County Government |
Contact: EXECUTIVE OFFICER BOARD OF SUPERVISORS
500 W TEMPLE ST, ROOM 383, LOS ANGELES CA 90012
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | KG-06 | La Crescenta, CA | |
| Regular School Nearby | KG-05 | Encino, CA | |
| Regular School Nearby | 09-12 | Santa Clarita, CA | |
| Alternative School Nearby | 07-12 | Chatsworth, CA | |
| Regular School Nearby | 09-12 | Agoura, CA | |
| Alternative School Nearby | 09-12 | North Hills, CA | |
| Regular School Nearby | 06-08 | Northridge, CA | |
| Regular School Nearby | 06-12 | Sun Valley, CA | |
| Regular School Nearby | KG-05 | Panorama City, CA | |
| Alternative School Nearby | 09-12 | North Hollywood, CA |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
The Master's University and Seminary
|
College | 2.2 mi away | 21726 Placerita Canyon Road, Santa Clarita, CA, 91321-1200 |
6612593540
|
|
NEWHALL LIBRARY
|
Library | 2.7 mi away | 24500 MAIN ST., SANTA CLARITA, CA, 91321 |
(661) 259-0750
|
|
California Institute of the Arts
|
College | 5.0 mi away | 24700 W McBean Pky, Valencia, CA, 91355-2397 |
6612551050
|
|
CANYON COUNTRY LIBRARY
|
Library | 4.0 mi away | 18601 SOLEDAD CYN. RD., SANTA CLARITA, CA, 91351 |
(661) 259-0750
|
|
Los Angeles Mission College
|
College | 5.1 mi away | 13356 Eldridge Avenue, Sylmar, CA, 91342 |
8183647600
|
|
SYLMAR
|
Library | 4.4 mi away | 14430 POLK ST., SYLMAR, CA, 91342 |
(818) 367-6102
|
|
College of the Canyons
|
College | 5.4 mi away | 26455 Rockwell Canyon Rd, Santa Clarita, CA, 91355-1899 |
6612597800
|
|
VALENCIA LIBRARY
|
Library | 5.1 mi away | 23743 VALENCIA BLVD., SANTA CLARITA, CA, 91355 |
(661) 259-0750
|
|
Academy of Esthetics and Cosmetology
|
College Vocational | 6.0 mi away | 1242 San Fernando Rd, San Fernando, CA, 91340-3212 |
8183615501
|
|
STEVENSON RANCH EXPRESS LIBRARY
|
Library | 5.3 mi away | 25950 THE OLD ROAD, STEVENSON RANCH, CA, 91381 |
(661) 287-5954
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at NEWHALL 5NW, CA US, located 6.4 miles from ZCTA5 91321. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 63.2° | 46.6° | 54.9° | 4.23" | 0.1" |
| February | 64.7° | 44.7° | 54.7° | 4.41" | 0.0" |
| March | 70.4° | 47.1° | 58.7° | 2.90" | 0.0" |
| April | 74.2° | 48.7° | 61.4° | 0.83" | 0.0" |
| May | 80.8° | 53.5° | 67.1° | 0.30" | 0.0" |
| June | 87.4° | 56.7° | 72.0° | 0.02" | 0.0" |
| July | 94.2° | 63.2° | 78.7° | 0.00" | 0.0" |
| August | 95.8° | 64.1° | 79.9° | 0.00" | 0.0" |
| September | 90.9° | 62.4° | 76.6° | 0.11" | 0.0" |
| October | 81.1° | 56.3° | 68.7° | 0.52" | 0.0" |
| November | 71.3° | 49.2° | 60.2° | 0.82" | 0.0" |
| December | 62.4° | 44.3° | 53.4° | 2.62" | 0.0" |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| Santa Clarita city | City | 3.7 mi | — |
| Stevenson Ranch CDP | CDP | 5.8 mi | — |
| San Fernando city | City | 5.9 mi | — |
| Castaic CDP | CDP | 11.4 mi | — |
| Val Verde CDP | CDP | 12.1 mi | — |
| Santa Susana CDP | CDP | 12.5 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 91321. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.