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Data on this report is based on areas within the legal city boundary, outlined in black on the map. Any additional neighborhoods shown on the map are associated with the city by name and are included for reference only.


Walnut Population Statistics

Source & Methodology

Analytics built by:   Location, Inc.

Raw data sources:   American Community Survey, U.S. Bureau of the Census, U.S. Department of Education, 50 state departments of education, U.S. Bureau of Labor Statistics, Federal Bureau of Investigation, 18,000+ local law enforcement agencies, Federal Housing Finance Agency, U.S. Geological Service, National Agricultural Statistics Service.

Date(s) & Update Frequency:   2024 (latest available). Updated annually. Please note: Unemployment data updated February 2026.

Methodology:   Unlike standardly available Census demographics, NeighborhoodScout uses dozens of custom models to transform 8.5 million raw demographic data elements from government sources into proprietary indices and insights…. Read more about Scout's Demographic Data

Walnut Population & Age Distribution

Total Population

27,250

Age

Under 5 Years:
4.0%
5 - 17:
15.8%
18 - 24:
6.3%
25 - 34:
10.6%
35 - 54:
23.0%
55 - 64:
16.3%
Over 65 Years:
24.0%

Educational Attainment of Adults

Attending College
High School Graduates
College Graduated
5.7%
5.7%
94.5%
94.5%
57.3%
57.3%
0% 100.0%
% of Residents

Income

Per capita Income

Walnut
USA
$52,304
$52,304
$44,673
$44,673

Median household income

Walnut
USA
$129,449
$129,449
$80,734
$80,734
Individuals Below Poverty Level

10.1%

Employment Industries

View all industries
Healthcare
Professional, scientific, and technical services
Education
Retail
Manufacturing
Wholesale
Transportation
Other
Public Service
Finance
Accommodation
Real estate
Construction
Administration
Arts
17.5%
17.5%
10.9%
10.9%
9.9%
9.9%
9.5%
9.5%
7.7%
7.7%
7.3%
7.3%
5.9%
5.9%
4.4%
4.4%
4.2%
4.2%
4.2%
4.2%
3.8%
3.8%
3.6%
3.6%
3.2%
3.2%
2.5%
2.5%
2.3%
2.3%
0% 100%
% of Residents

Race & Ethnic Diversity

Asian
Hispanic or Latino (Of Any Race)
White
Other Race / Two or More Races
Black or African American
Native Hawaiian and Other Pacific Islanders
American Indian and Alaska Native
68.7%
68.7%
17.2%
17.2%
9.1%
9.1%
2.4%
2.4%
1.9%
1.9%
0.5%
0.5%
0.1%
0.1%
0% 100.0%
% of Residents

Ancestry

See all ancestries
German
Italian
English
Irish
Lithuanian
Greek
Russian
Egyptian
Czech
Dutch
French
Polish
Swiss
Scottish
Ghanian
Syrian
Scots-Irish
European
Welsh
Other Arab
2.0%
2.0%
1.6%
1.6%
1.4%
1.4%
1.3%
1.3%
0.5%
0.5%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.3%
0.3%
0.3%
0.3%
0.3%
0.3%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0% 100%
% of Residents

Languages Spoken

See all languages
Chinese
English
Spanish
Tagalog
Korean
Vietnamese
Pacific Island languages
Japanese
Langs. of India
Arabic
Thai
Laotian
Other Asian languages
Mon-Khmer (Cambodian)
Urdu
Persian
African languages
Native American languages
Portuguese
Italian
38.5%
38.5%
31.7%
31.7%
8.3%
8.3%
6.6%
6.6%
3.0%
3.0%
2.1%
2.1%
1.6%
1.6%
1.4%
1.4%
0.8%
0.8%
0.7%
0.7%
0.5%
0.5%
0.5%
0.5%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0% 100%
% of Residents
Foreign Born Walnut Residents

51.9%