Zip code 91789: Walnut, California

Q: What city is zip code 91789?

91789 is assigned to Walnut, California. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 91789 in?

91789 is in Los Angeles County, California.

Q: What is the population of 91789?

About 40,298 people live in 91789, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 91789?

The median household income in 91789 is $125,720.

Q: What zip codes are near 91789?

The closest zip codes to 91789 are 91788, 91792, 91765, 91791, 91748.

Residential delivery areaLos Angeles CountyPacific Time

Population

40,298

Median household income

$126K

U.S. $81K

Median home value

$975K

U.S. $333K

Median rent

$2,865/mo

U.S. $1,413

Median age

46.3

U.S. 38.9

Land area

16 sq mi

2,540 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 91789

91789 is an urban zip code in Walnut, California (Los Angeles County), covering 16 sq mi of land. About 40,298 people live here, or 2,540 per square mile. The median resident is 46.3 years old, compared with 38.9 nationally.

The median household earns $125,720 a year, 56% above the national median of $80,734. 9.2% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $975,000, or 7.8 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 82% of occupied homes are lived in by their owners, and renters pay a median of $2,865 a month.

54% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 33.5 minutes each way, and 21% of workers work from home. The most common jobs among working residents are in management, sales and healthcare. 79% of households speak a language other than English at home, most often an Asian or Pacific Island language.

How 91789 compares

Sorted from highest to lowest national percentile

Median gross rent$2,865
98th
U.S. $1,413 · CA $2,036170th of 1,464 in CA
Foreign-born residents50.5%
98th
U.S. 14.1% · CA 27%42nd of 1,688 in CA
Median home value$975,000
95th
U.S. $332,700 · CA $734,700404th of 1,586 in CA
Median age46.3
89th
U.S. 38.9 · CA 37.9394th of 1,687 in CA
Average commute33.5 min
88th
WeaknessU.S. 26.4 min · CA 28.7 min282nd of 1,584 in CA
Median household income$125,720
87th
StrengthU.S. $80,734 · CA $99,122374th of 1,575 in CA
Broadband access96.3%
87th
StrengthU.S. 91% · CA 93.5%373rd of 1,662 in CA
Bachelor's degree or higher54.4%
84th
StrengthU.S. 35.7% · CA 37.1%354th of 1,687 in CA
Residents 65 and older22.3%
84th
U.S. 17.2% · CA 15.7%471st of 1,688 in CA
Homeownership rate82.1%
83rd
StrengthU.S. 65.2% · CA 55.9%238th of 1,662 in CA
Self-employed workers13.1%
83rd
U.S. 10% · CA 11.4%642nd of 1,678 in CA
Rent-burdened renters59.1%
80th
WeaknessU.S. 51.1% · CA 55.3%553rd of 1,610 in CA
Work from home20.6%
79th
U.S. 15.1% · CA 17.2%566th of 1,680 in CA
Healthcare workers11.6%
78th
U.S. 9.7% · CA 9.4%329th of 1,678 in CA
Median earnings per worker$58,994
74th
U.S. $49,666 · CA $52,643635th of 1,658 in CA
Per capita income$49,392
71st
U.S. $44,673 · CA $49,513681st of 1,685 in CA
Tech workers4.2%
71st
U.S. 3.8% · CA 4.4%458th of 1,678 in CA
Population40,298
68th
U.S. 334,922,499 · CA 39,287,377380th of 1,688 in CA
Population density2,540/sq mi
62nd
U.S. 95/sq mi · CA 252/sq mi677th of 1,688 in CA
Government workers15.4%
62nd
U.S. 14.5% · CA 14.8%810th of 1,678 in CA
Diversity index50.8
53rd
U.S. 61.4 · CA 69.7992nd of 1,688 in CA
Income inequality (Gini)0.431
46th
U.S. 0.483 · CA 0.489926th of 1,651 in CA
Housing vacancy6.1%
45th
U.S. 10.1% · CA 7.5%900th of 1,664 in CA
Unemployment rate4.4%
41st
U.S. 5.2% · CA 6.6%1,262nd of 1,681 in CA
Poverty rate9.2%
40th
U.S. 12.5% · CA 12%983rd of 1,666 in CA
Residents under 1819.8%
30th
U.S. 22% · CA 22%960th of 1,688 in CA
Uninsured rate4.1%
23rd
U.S. 8.4% · CA 6.6%1,057th of 1,675 in CA
Veterans2.8%
14th
U.S. 6.2% · CA 4.3%1,206th of 1,686 in CA

Measure	91789	Los Angeles	CA	U.S.	National percentile	Rank in CA
Median gross rent	$2,865	$1,954	$2,036	$1,413	98th	170th of 1,464
Foreign-born residents	50.5%	33.4%	27%	14.1%	98th	42nd of 1,688
Median home value	$975,000	$834,200	$734,700	$332,700	95th	404th of 1,586
Median age	46.3	38.2	37.9	38.9	89th	394th of 1,687
Average commuteWeakness	33.5 min	30.4 min	28.7 min	26.4 min	88th	282nd of 1,584
Median household incomeStrength	$125,720	$90,112	$99,122	$80,734	87th	374th of 1,575
Broadband accessStrength	96.3%	93%	93.5%	91%	87th	373rd of 1,662
Bachelor's degree or higherStrength	54.4%	36%	37.1%	35.7%	84th	354th of 1,687
Residents 65 and older	22.3%	15.2%	15.7%	17.2%	84th	471st of 1,688
Homeownership rateStrength	82.1%	45.9%	55.9%	65.2%	83rd	238th of 1,662
Self-employed workers	13.1%	13.5%	11.4%	10%	83rd	642nd of 1,678
Rent-burdened rentersWeakness	59.1%	57.7%	55.3%	51.1%	80th	553rd of 1,610
Work from home	20.6%	17.1%	17.2%	15.1%	79th	566th of 1,680
Healthcare workers	11.6%	9.5%	9.4%	9.7%	78th	329th of 1,678
Median earnings per worker	$58,994	$48,343	$52,643	$49,666	74th	635th of 1,658
Per capita income	$49,392	$45,792	$49,513	$44,673	71st	681st of 1,685
Tech workers	4.2%	2.8%	4.4%	3.8%	71st	458th of 1,678
Population	40,298	9,808,667	39,287,377	334,922,499	68th	380th of 1,688
Population density	2,540/sq mi	2,416/sq mi	252/sq mi	95/sq mi	62nd	677th of 1,688
Government workers	15.4%	13%	14.8%	14.5%	62nd	810th of 1,678
Diversity index	50.8	67.5	69.7	61.4	53rd	992nd of 1,688
Income inequality (Gini)	0.431	0.498	0.489	0.483	46th	926th of 1,651
Housing vacancy	6.1%	6.4%	7.5%	10.1%	45th	900th of 1,664
Unemployment rate	4.4%	7.3%	6.6%	5.2%	41st	1,262nd of 1,681
Poverty rate	9.2%	13.7%	12%	12.5%	40th	983rd of 1,666
Residents under 18	19.8%	20.6%	22%	22%	30th	960th of 1,688
Uninsured rate	4.1%	8.2%	6.6%	8.4%	23rd	1,057th of 1,675
Veterans	2.8%	2.7%	4.3%	6.2%	14th	1,206th of 1,686

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

16%

5–17

18–24

11%

25–34

11%

35–44

13%

45–54

17%

55–64

15%

65–74

75+

Median age

46.3

Under 18

19.8%

65 and over

22.3%

Race and ethnicity

White10%
Black2%
Hispanic18%
Asian67%
Native American0.2%
Pacific Islander0.5%
Other0.5%
Multiracial2%

Diversity index

50.8

U.S. 61.4

Foreign-born

50.5%

U.S. 14.1%

Born in state

40.7%

Language spoken at home (households)

English only

21%

Spanish

13%

Other Indo-European

Asian / Pacific

60%

Other

0.8%

Households

Households: 12,681
Average household size: 3.2
Family households: 85.6%
Married couples: 68.6%
Living alone: 11.6%
Veterans (of adults): 2.8%
Male / female: 49% / 51%

Income and poverty

Household income distribution

<$25k

$25–50k

11%

$50–75k

10%

$75–100k

10%

$100–150k

21%

$150–200k

15%

$200k+

25%

Median household income

91789

$125,720

Los Angeles Co.

$90,112

California

$99,122

United States

$80,734

Per capita income

$49,392

U.S. $44,673

Poverty rate

9.2%

U.S. 12.5%

Households earning $150K+

40.2%

U.S. 23%

Income inequality (Gini)

0.431

U.S. 0.483

Housing

Median home value

91789

$975,000

Los Angeles Co.

$834,200

California

$734,700

United States

$332,700

Median gross rent

91789

$2,865

Los Angeles Co.

$1,954

California

$2,036

United States

$1,413

Types of housing

Single-family

92%

2–4 units

5–19 units

0.6%

20+ units

Mobile home

Boat, RV, van

0.1%

Housing units: 13,503
Owner-occupied: 82.1%
Vacant: 6.1%
Median year built: 1982
Median rooms: 6.4
Renters paying 30%+ of income: 59.1%
Renters paying 50%+ of income: 31.2%
Home value to income: 7.8× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

65%

Carpooled

10%

Transit

Walked

0.9%

Bicycle

0.3%

Worked from home

21%

Other

Commute time (one way)

<10 min

10–19

22%

20–29

19%

30–44

25%

45–59

12%

60+

17%

Average commute

33.5 min

U.S. 26.4 min

Unemployment

4.4%

U.S. 5.2%

In labor force

58.9%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

14%

Sales

12%

Healthcare

12%

Business and finance

11%

Office and admin

11%

Education

Transportation and moving

Engineering and science

Computer and math

Legal and social services

Food service

Cleaning and personal care

Production

Construction and repair

Arts, media and sports

Police and fire

Farming, fishing and forestry

0.3%

Industries

Health care and social assistance

15%

Professional and technical services

10%

Retail

10%

Education

Manufacturing

Finance, insurance and real estate

Transportation, warehousing and utilities

Wholesale

Restaurants and hotels

Public administration

Other services

Construction

Arts and recreation

Admin, support and management

Information

Agriculture and mining

0.3%

Median earnings per worker

$58,994

U.S. $49,666

Self-employed

13.1%

U.S. 10%

Government workers

15.4%

U.S. 14.5%

Nonprofit workers

U.S. 8.8%

Median earnings by type of work

Type of work	91789	U.S.
Management, business, science and arts	$84,531	$74,888
Service	$23,620	$26,804
Sales and office	$47,398	$40,476
Construction and maintenance	$53,804	$49,199
Production and transportation	$38,885	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

15%

Some college

15%

Associate's

10%

Bachelor's

35%

Graduate

19%

High school graduate or higher: 93.8%
Bachelor's degree or higher: 54.4%
Graduate or professional degree: 19.3%
Households with broadband: 96.3%
Cable, fiber or DSL: 79.4%
No internet access: 2.6%
Without health insurance: 4.1%
Limited-English households: 20%

Geography

City (USPS): Walnut
State: California
County: Los Angeles County
Center point: 34.0182° N, 117.8548° W
Land area: 16 sq mi
Water area: 0.1 sq mi
Time zone: Pacific Time (UTC-8, UTC-7 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Walnut56% of zip
Industry19% of zip
Diamond Bar12% of zip
Rowland Heights (unincorporated)11% of zip
Pomona3% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 91789

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
91788	Walnut, CA · PO box	0.6 mi	—	—	—
91792	West Covina, CA	2.7 mi	30,629	$94,817	$696,200
91765	Diamond Bar, CA	3.4 mi	44,502	$105,565	$915,100
91791	West Covina, CA	3.7 mi	33,028	$102,266	$843,600
91748	Rowland Heights, CA	3.9 mi	42,463	$83,428	$830,800
91724	Covina, CA	4.2 mi	28,352	$103,163	$782,700
91744	La Puente, CA	4.8 mi	76,942	$93,557	$610,900
91768	Pomona, CA	4.9 mi	34,200	$76,041	$573,200
91723	Covina, CA	5 mi	17,733	$94,167	$717,300
91747	La Puente, CA · PO box	5.4 mi	—	—	—
91749	La Puente, CA · PO box	5.4 mi	—	—	—
91790	West Covina, CA	5.8 mi	44,710	$102,927	$770,900

Zip codes like 91789 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 91789

What city is zip code 91789?

91789 is assigned to Walnut, California. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 91789 in?

91789 is in Los Angeles County, California.

What is the population of 91789?

About 40,298 people live in 91789, according to the Census Bureau's American Community Survey.

What time zone is 91789 in?

91789 is in Pacific Time.

What is the median household income in 91789?

The median household income in 91789 is $125,720.

What zip codes are near 91789?

The closest zip codes to 91789 are 91788, 91792, 91765, 91791, 91748.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 91789, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.