Walnut, Los Angeles County, CA demographics:
population, income, and more

Total population
27,611
-0.9% year-over-year change
Median household income
$129,449/yr
-3.2% year-over-year change
Housing units
9,230
2.2% year-over-year change

Walnut population

How many people live in Walnut

Walnut is home to 27,611 residents, according to the most recent Census data. Gender-wise, 50.4% of Walnut locals are male, and 49.6% are female.

Total population
27,611
-0.9% year-over-year change
Gender ratio
Male
50.4%
13,917
Female
49.6%
13,694
Value Percent YoY change
Male 13,917 50.4% 0.7%
Female 13,694 49.6% -2.5%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Walnut is 47, with the population distributed as follows: about 16.6% are children under 15, then 9.5% are in the 15 to 24 age group. Adults between 25 and 44 make up 21.6% of the population, while another 28.2% fall into the 45 to 64 bracket. Finally, around 24% are 65 or older.

Median age
46.8
Age breakdown
Under 15
16.6%
15 to 24
9.5%
25 to 44
21.6%
45 to 64
28.2%
Over 65
24%
Value Percent YoY change
Under 15 4,587 16.6% -1.3%
15 to 24 2,621 9.5% -4.9%
25 to 44 5,977 21.6% -0.5%
45 to 64 7,796 28.2% -1.1%
Over 65 6,630 24% 1.0%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Walnut, 46.4% of the population are US-born citizens, while 37.8% have gained naturalized citizenship. At the same time, 15.8% of residents are non-citizens. As for race, 11% of locals are Caucasian, 2% are African American and 69.4% have Asian roots. Another 0.4% are Indigenous American, 0.5% are Pacific Islanders, while 8.5% identify as another race. There’s also a share of 8.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
46.4%
Non-U.S.-born citizens
37.8%
Non-citizens
15.8%
Value Percent YoY change
U.S.-born citizens 12,819 46.4% -3.0%
Non-U.S.-born citizens 10,443 37.8% -1.3%
Non-citizens 4,349 15.8% 7.0%
Racial breakdown
White
11%
Black or African American
2%
American Indian and Alaska Native
0.4%
Asian
69.4%
Native Hawaiian and other Pacific Islander
0.5%
Two or more races
8.2%
Other
8.5%
Value Percent
White 3,044 11%
Black or African American 548 2%
American Indian and Alaska Native 113 0.4%
Asian 19,151 69.4%
Native Hawaiian and other Pacific Islander 136 0.5%
Two or more races 2,266 8.2%
Other 2,353 8.5%

Households in Walnut

A peek inside Walnut households

Walnut has 8,665 households, with an average of 3 members in each. Of these, 86.2% are families, while the remaining 13.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
8,665
1.5% year-over-year change
Average people per household
3
Non-family households
1,196
Family households
7,469
Value Percent YoY change
Non-family households 1,196 13.8% 8.6%
Family households 7,469 86.2% 0.5%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Walnut

The housing landscape of Walnut

Walnut's housing consists of 9,230 units, with 94.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 2.2% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.1% of the housing landscape.

Housing units
9,230
2.2% year-over-year change
Housing types
Value Percent
1 unit, detached 8,737 94.7%
1 unit, attached 198 2.2%
3 or 4 units 38 0.4%
5 to 9 units 12 0.1%
10 to 19 units 35 0.4%
50 or more units 194 2.1%
Mobile home 9 0.1%
Boat, RV, van, etc. 7 0.1%
Homes built since 2020
56
700.0% year-over-year change

The age of buildings in Walnut

In Walnut, the median construction year is 1982. About 0.5% of homes were built before the 1940s, with another 0.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 3.9% of homes were added from 2000 to 2009, 2.9% between 2010 and 2019, and 0.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 44 0.5% -32.3%
Built between 1940 and 1949 33 0.4% -15.4%
Built between 1950 and 1959 251 2.7% 23.0%
Built between 1960 and 1969 1,326 14.4% 2.2%
Built between 1970 and 1979 1,892 20.5% 6.7%
Built between 1980 and 1989 4,419 47.9% 1.2%
Built between 1990 and 1999 585 6.3% -14.8%
Built between 2000 and 2009 357 3.9% 0.6%
Built between 2010 and 2019 267 2.9% 10.8%
Built in 2020 or later 56 0.6% 700.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Walnut occupancy rates

Out of the 8,665 occupied housing units in Walnut, 83.8% are owner-occupied, while 16.2% are lived in by tenants. Meanwhile, 6.1% of all homes on the local market sit vacant.

Occupied housing units
8,665
1.5% year-over-year change
Occupancy breakdown
Renter occupied
1,405
Owner occupied
7,260
Value Percent YoY
change
Renter occupied 1,405 16.2% -4.8%
Owner occupied 7,260 83.8% 2.9%
Unoccupied housing units
6.1%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Walnut housing costs

Housing costs in Walnut come to a median of $2,471 per month, while tenants specifically pay a median gross rent of $3,202.

Median housing costs per month
$2,471/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Walnut
$3,202/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Walnut

Walnut education at a glance

About 18.4% of the population in Walnut went to high school, while 14.9% pursued college studies. Another 9.6% earned an associate degree and 36% hold a bachelor’s. Meanwhile, 18.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 632 2.8% -14.7%
High school diploma 4,073 18.4% -4.6%
College diploma 3,294 14.9% -8.7%
Associate degree 2,136 9.6% 9.5%
Bachelor's degree 7,967 36% -0.5%
Graduate degree 4,053 18.3% 9.6%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Walnut

How much people earn in Walnut

The average annual household income in Walnut was $164,168 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -0.5% change from the previous year. At the same time, the median income stood at $129,449, reflecting a -3.2% shift over the same period.

Average household income in Walnut
$164,168/year
-0.5% year-over-year change
Median household income in Walnut
$129,449/year
-3.2% year-over-year change

Walnut income by age

In Walnut, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $136,016. Those with someone between 45 and 64 in charge, often well established professionally, earn $145,378 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $29,632, while those led by someone over 65, many of whom may be retired, have about $111,154 in earnings. Overall, 89.9% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $29,632 -57.9%
25 - 44 $136,016 7.8%
45 - 64 $145,378 1.1%
Over 65 $111,154 -5.5%
Above poverty level
24,620
Below poverty level
2,778
Value Percent YoY
change
Above poverty level 24,620 89.9% -2.8%
Below poverty level 2,778 10.1% 16.7%

Average renter income in Walnut

To get a better sense of what renters earn on average in Walnut, their median household income was $91,426 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 42%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$91,426
Rent-to-income ratio
42%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Walnut

Workforce and job types in Walnut

The job market in Walnut is powered by 12,763 working residents, spread across a range of industries and roles. 89.5% of the working population are employed in professional or administrative positions, while 10.5% are in hands-on or service-based jobs. Also, 14.9% run their own businesses, 60.8% are employed by private companies, and 14.7% work in the public sector.

Workforce demographics

Working population
12,763
-0.4% year-over-year change
White collar
11,425
Blue collar
1,338
Value Percent YoY change
White collar 11,425 89.5% 0.9%
Blue collar 1,338 10.5% -10.1%
Employer type
Self employees
14.9%
Private companies
60.8%
Governmental workers
14.7%
Not for profit companies
9.6%
Value Percent YoY change
Self employees 1,901 14.9% -4.5%
Private companies 7,766 60.8% 1.1%
Governmental workers 1,874 14.7% -4.4%
Not for profit companies 1,222 9.6% 3.9%
Unemployment rate
3.5%
-4.8% year-over-year change

Available workforce

The unemployment rate in Walnut stands at 3.5%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Walnut

How people get around in Walnut

In Walnut, the average commute time is 34 minutes. Commuting methods vary: 76.3% of residents travel by personal vehicle and 0.7% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
34 min
-2.9% year-over-year change
Means of transportation
Value Percent YoY change
Car 9,416 76.3% -1.7%
Bus or trolleybus 131 1.1% -25.6%
Subway or elevated 26 0.2% N/A
Railroad 52 0.4% -36.6%
Bicycle 48 0.4% 26.3%
Walk 90 0.7% 47.5%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Walnut by zipcode?

Zipcode Population Number of households Median income Average income
91789 40,298 12,681 $125,720 $154,585

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FAQs about Walnut demographics 

What is the total population of Walnut?

Walnut has a total population of 27,611 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.9% compared to a year ago.

What is the gender ratio in Walnut?

The gender ratio in Walnut is as follows:
  • 50.4% males (13,917 residents)
  • 49.6% females (13,694 residents)

What is the median age in Walnut?

The median age in Walnut is 46.8.

What is the age distribution of the population in Walnut?

The age distribution in Walnut is as follows:
  • Under 15: 16.6% (4,587 residents)
  • Ages 15-24: 9.5% (2,621 residents)
  • Ages 25-44: 21.6% (5,977 residents)
  • Ages 45-64: 28.2% (7,796 residents)
  • Over 65: 24% (6,630 residents)

What is the racial and ethnic makeup of Walnut?

The racial and ethnic makeup of Walnut is as follows:
  • White: 11% (3,044 residents)
  • Black or African American: 2% (548 residents)
  • American Indian and Alaska Native: 0.4% (113 residents)
  • Asian: 69.4% (19,151 residents)
  • Native Hawaiian and Other Pacific Islander: 0.5% (136 residents)
  • Two or More Races: 8.2% (2,266 residents)
  • Other: 8.5% (2,353 residents)

What percentage of the population in Walnut are U.S.-born citizens?

U.S.-born citizens represent 46.4% of the population in Walnut.

How many housing units are there in Walnut?

There are 9,230 housing units in Walnut, reflecting a +2.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Walnut and what is the average household size?

Walnut has a total of 8,665 households, with an average of 3 people in each.

What is the median household income in Walnut?

Walnut has a median household income of $129,449, representing a -3.2% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Walnut?

The employment rate is 96.5% in Walnut, with a workforce of 12,763 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 89.5% (11,425 residents)
  • Blue-collar workers: 10.5% (1,338 residents)

Places of employment:
  • Self-employed: 14.9% (1,901 residents)
  • Private companies: 60.8% (7,766 residents)
  • Governmental workers: 14.7% (1,874 residents)
  • Not-for-profit companies: 9.6% (1,222 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025