Skip to content
GERBER.ai

ZIP 91789 · Walnut

Who lives in ZIP code 91789 (Walnut, CA): age, income, housing, education and work.

Source: uszips 2026 (ACS-based ZIP file)

2026 ZIP profile

Walnut, CA · Los Angeles County

uszips 2026
People40,298
Median age46.3
Household income$125,720
Home value$974,844
Median rent$2,865/mo
Poverty9.2%
College degree+54.4%
Commute34 min

Place

Metro area
Los Angeles-Long Beach-Anaheim, CA
Wider region
Los Angeles-Long Beach, CA
Metro division
Los Angeles-Long Beach-Glendale, CA
Time zone
Pacific
Density
981 / sq mi
Housing units
12,681

County

Los Angeles100%

Share of the ZIP's people in each county.

Age mix

Under 109.8%
10–1911.9%
20s10.5%
30s10.5%
40s12.0%
50s14.4%
60s17.2%
70s10.2%
80+3.5%

22.3% are 65 or older; 80.2% are adults.

Household income

Under $25K8.6%
$25K–50K10.7%
$50K–75K10.0%
$75K–100K9.7%
$100K–150K20.7%
$150K+40.2%

60.9% of households earn $100K+. Median per person: $48,658.

Education (adults 25+)

Less than high school6.2%
High school15.0%
Some college24.4%
Bachelor's35.1%
Graduate19.3%

48.7% of degrees are in STEM fields.

Race

White12.6%
Black1.7%
Asian67.8%
Native American0.7%
Pacific Islander0.5%
Other8.0%
Two or more8.7%

18.1% Hispanic or Latino (of any race).

Households & family

Married
62.1%
Never married
27.7%
Divorced
6.2%
Widowed
4.0%
Family size
3.39
Dual-income families
56.1%

Housing

Own their home
82.1%
Rent burden
35.3%
Men / women
49% / 51%

Work

In labor force
58.9%
Unemployment
4.4%
Self-employed
18.6%
Farmers
0.0%

Community

Charitable givers
36.6%
Veterans
2.8%
With a disability
7.5%
No health insurance
4.1%
Limited English
20.0%

Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.

Market now

Radius and distance tools for 91789