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ZIP Code 91331

ZIP / ZCTA

Population: 98,820

ZIP Code Tabulation Areas (ZCTAs) are Census approximations of USPS ZIP codes. Boundaries may differ slightly from postal delivery areas, and estimates for less-populated ZCTAs carry higher margins of error.

Data: U.S. Census Bureau, ACS 5-Year Estimates, 2023 (released December 2024).

Quick Facts — 91331

What is the median household income in 91331?
The median household income in 91331 is $82,025 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
What is the poverty rate in 91331?
The poverty rate in 91331 is 13.5% (U.S. Census Bureau ACS 2023).
What is the median home value in 91331?
$609,300 (U.S. Census Bureau ACS 2023).
What is the average rent in 91331?
The median gross rent in 91331 is $1,818 per month (U.S. Census Bureau ACS 2023).
What percentage of 91331 residents have a college degree?
11.2% of adults in 91331 hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
98,820
Median Income
$82,025
Median Home Value
$609,300
Poverty Rate
13.5%
Unemployment (ACS 2023)
6.8%
Median Age
34.0 yrs
Since 2019 Median Income: +$18,218 (+28.6%) Home Value: +$184,000 (+43.3%) Poverty Rate: -0.7 pp (-4.9%) Bachelor's+: +0.3 pp (+2.8%) Unemployment: +0.9 pp (+15.3%)

Demographics

Total Population 98,820
Median Age 34.0
Female 48.6%
Race & Ethnicity
Hispanic or Latino 87.4% White (non-Hisp.) 4.3% Black 2.1% Asian 4.7% Two or More 32.0% Other 38.3%
Asian Subgroups (% of total pop.)
Filipino
2.3%
Vietnamese
0.5%
Chinese
0.3%
Japanese
0.2%
Indian
0.1%
Korean
0.1%
Hispanic Subgroups (% of total pop.)
Mexican
66.6%
Puerto Rican
0.5%
Cuban
0.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Income & Poverty

Median Household Income $82,025 ±$4,284
Per Capita Income $97,688
Median Family Income $84,981
Poverty Rate 13.5%
Child Poverty Rate 18.0%
Working-Age Poverty Rate
SNAP Recipients 20.2%
Social Security Income
Retirement Income 15.3%
Household Income Distribution
< $10k
4.7%
$10–15k
3.1%
$15–25k
5.2%
$25–35k
7.7%
$35–50k
9.9%
$50–75k
15.9%
$75–100k
13.5%
$100–150k
20.4%
$150–200k
10.4%
$200k+
9.2%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Housing

Total Housing Units 23,926
Owner-Occupied 62.8%
Renter-Occupied 37.2%
Vacancy Rate 3.7%
Median Home Value $609,300
Median Gross Rent $1,818
Owner Cost Burden (30%+) 40.8%
Renter Cost Burden (30%+) 54.4%
Home Value Distribution
< $50k
2.5%
$50–100k
3.4%
$100–200k
1.0%
$200–300k
1.6%
$300–500k
15.2%
$500k–$1M
74.4%
$1M+
1.4%
Gross Rent Distribution
< $500
5.8%
$500–1k
12.1%
$1–1.5k
17.9%
$1.5–2k
22.4%
$2–2.5k
20.7%
$2.5–3.5k
12.9%
$3.5k+
8.3%
Vehicle Availability
No vehicle
6.9%
1 vehicle
20.3%
2 vehicles
28.1%
3+
44.7%
Housing Type
Single-fam. det.
69.7%
Single-fam. att.
8.3%
2–4 units
0.9%
5–19 units
2.3%
20+ units
10.9%
Mobile home
2.0%
Housing Age
Pre-1940
4.3%
1940–1969
12.7%
1970–1999
10.1%
2000–2009
4.2%
2010+
2.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Education

High School or Higher 58.1%
Bachelor's or Higher 11.2%
Graduate Degree 2.5%
Some College / Associate 15.9%
Less Than High School 25.9%
Enrolled in School

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Employment

Labor Force Participation 63.3%
Unemployment Rate 6.8%
Work from Home 6.5%
Self-Employed 9.9%
Government Workers 10.5%
Private For-Profit 79.4%
Industry
Edu/Health
20.4%
Construction
12.7%
Manufacturing
11.4%
Retail
11.2%
Prof. Services
10.9%
Arts/Entmt.
8.1%
Transportation
7.0%
Finance
4.1%
Public Admin
2.5%
Information
1.8%
Wholesale
1.5%
Agriculture
1.4%
Occupation
Food Prep
22.9%
Management
20.9%
Sales
20.4%
Production
19.3%
Construction
16.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Commute

Median Travel Time 30.3 min
Drove Alone 72.8%
Carpool 14.5%
Public Transit 2.9%
Work from Home 6.5%
Walked 1.1%
Bicycle

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Households & Families

Total Households 23,036
Avg. Household Size 4.00
Avg. Family Size
Married-Couple Households 52.6%
Single-Mother Households
Single-Father Households
Living Alone
Households with Children 21.2%
Multigenerational

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Age Distribution

Under 5
5.9%
5–9
6.2%
10–14
7.6%
15–19
7.4%
20–24
7.6%
25–34
15.8%
35–44
13.0%
45–54
13.1%
55–64
6.5%
65–74
4.7%
75–84
7.2%
85+
3.7%
Under 18: 24.4% Working age (18–64): 75.6% 65 and over: 12.2%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Social Characteristics

Immigration

Foreign Born 42.3%
Naturalized Citizen 49.4%
Speaks English Less Than Very Well 34.9%
Foreign-Born Origin
Latin America
89.0%
Asia
10.2%
Europe
0.5%
Africa
0.2%

Veterans & Disability

Veteran 1.7%
With a Disability 12.1%
Cognitive Difficulty
Ambulatory Difficulty

Health Insurance

Insured 89.8%
Uninsured 10.2%
Employer Insurance
Medicaid
Medicare

Technology & Mobility

Broadband Internet 91.3%
Has a Computer 93.9%
Same House 1 Year Ago 95.5%
Moved from Abroad 0.2%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023