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Walnut, CA
City in Los Angeles County, California. ZIP codes: 91789.
Population
27,611
Land area
9sq mi
People per sq mi
3,072
ZIP codes
1
Walnut and its ZIP codes
Walnut at a glance
- Walnut is about 12 times as dense as California as a whole.
- It is the 281st most populous of 1,570 cities and towns in California.
- Households here earn a median of $129,449 a year, 31% more than the California figure of $99,122.
- A typical owner-occupied home is valued at $1,014,000 (38% above California) and median rent is $3,202 a month.
Local data for Walnut, CA
Counts from official public data
Housing and community stats
Walnut, CA, American Community Survey 2020-2024
Median household income
$129,449
Poverty rate
10.1%
Median home value
$1,014,000
Median rent
$3,202/mo
Homeownership
83.8%
Bachelor's or higher
57.3%
Median age
46.8
Average commute
33.5 min
Largest reported origins and ancestries: Chinese Americans (10,229), Mexican Americans (3,938), Filipino Americans (2,582).
Economy and federal money
Jobs, pay, income and spending are for Los Angeles County. PPP loans are for Walnut.
Unemployment rate
4.5%
Sep 2026, -1.4 pts in a year
Average annual pay
$86,080
4,525,460 jobs, 2025
Income per person
$83,888
BEA, 2024
Federal spending
$72.05B
FY 2026, $7,195 per person
How people get to work
Walnut, CA, workers 16 and older. American Community Survey 5-year estimates
- Drove alone67.8%
- Carpooled8.4%
- Public transit1.8%
- Walked0.7%
- Bicycle0.4%
- Taxi, ride-hailing, motorcycle or other1.2%
- Worked from home19.7%
Average one-way commute: 33.5 minutes for people who do not work from home.
Environment and hazard risk
Walnut, CA, from FEMA, NOAA and EPA
Natural hazard risk
Very High
Top: earthquake
Storm events since 1996
662
Countywide, mostly flash flood
Flood insurance policies
10,584
0.5% of homes, county
July high / Jan low
90° / 43°F
14.5 inches of rain a year
Health statistics
Share of adults in Walnut, CA, CDC PLACES estimates
Obesity
16.6%
U.S. 33.3% -16.7 pts
Diabetes
13.2%
U.S. 12.1% +1.1 pts
Smoking
7.1%
U.S. 12.8% -5.7 pts
Uninsured (18-64)
5.1%
U.S. 11.1% -6.0 pts
ZIP codes in Walnut
1 in or overlapping Walnut. Population shown
Cities near Walnut
| Name | Distance | Land area (sq mi) |
|---|---|---|
| West CovinaCity | 2.4 mi | 16 |
| Diamond BarCity | 2.9 mi | 14.9 |
| South San Jose HillsCensus-designated place | 3.5 mi | 1.5 |
| CovinaCity | 4.1 mi | 7 |
| ValindaCensus-designated place | 4.3 mi | 2 |
| Rowland HeightsCensus-designated place | 4.5 mi | 13.1 |
| Charter OakCensus-designated place | 4.8 mi | 0.9 |
| La PuenteCity | 5.4 mi | 3.5 |
| VincentCensus-designated place | 5.8 mi | 1.5 |
| PomonaCity | 6 mi | 23 |
| West Puente ValleyCensus-designated place | 6.2 mi | 1.9 |
| CitrusCensus-designated place | 6.2 mi | 0.9 |
| San DimasCity | 6.3 mi | 15 |
| IndustryCity | 7 mi | 11.8 |
| Baldwin ParkCity | 7 mi | 6.6 |
| La Habra HeightsCity | 7.1 mi | 6.2 |
Frequently asked questions
- What county is Walnut, CA in?
- Walnut is in Los Angeles County, California.
- What ZIP codes are in Walnut, CA?
- ZIP codes in or overlapping Walnut include 91789.
- What is the population of Walnut, CA?
- About 27,611 people live in Walnut, based on American Community Survey 5-year estimates.
- What cities are near Walnut?
- Nearby places include West Covina (2.4 mi), Diamond Bar (2.9 mi), South San Jose Hills (3.5 mi), Covina (4.1 mi), Valinda (4.3 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023