91791 ZIP Code — West Covina, CA

Los Angeles County, California

ZIP code 91791 is located in West Covina, California, within Los Angeles County. It covers approximately 6.64 square miles and serves a population of 33,902 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 626.

About ZIP code 91791

The housing stock consists of a mix of housing types. Most homes were built in the 1950s, giving the area an established character. Median home value is $715,400. Owner-occupancy sits near the national average at 67%.

The gap between median ($96,470) and mean household income suggests income inequality — a small number of higher earners pull the average up. 38% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 35 minutes is near the national average.

Educational attainment is near the national average, with 33% of residents holding a bachelor's degree or higher.

Notable community characteristics include Spanish spoken in 23% of households.

33,902

population

6.64

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

91791 ZIP code map

Cities in ZIP code 91791

Below are the cities the US Postal Service accepts for ZIP code 91791. Using any city not on this list may result in mail delivery delays.

City	Status
West Covina	Preferred

Nearby ZIP codes

91723 Covina (1.6 mi) 91724 Covina (2.4 mi) 91792 West Covina (2.6 mi) 91722 Covina (2.7 mi) 91790 West Covina (3.2 mi) 91744 La Puente (3.5 mi) 91789 Walnut (3.9 mi) 91740 Glendora (4.5 mi) 91706 Baldwin Park (5.1 mi) 91702 Azusa (5.4 mi) 91768 Pomona (5.4 mi) 91773 San Dimas (5.6 mi)

Demographics updated 06/2026

Population
Total population	33,902
Population density	5,106 / sq mi
State FIPS	06
County FIPS	037

Geography
Land area	6.64 sq mi
Water area	0.02 sq mi
Latitude	34.0620
Longitude	-117.8874
Timezone	Pacific (PT)
Area code	626

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	30.2%	36.2%	32.6%
$50k – $100k	26.5%	28.2%	27.7%
$100k – $200k	32.1%	24.5%	26.4%
Over $200k	11.2%	11.0%	13.3%

Demographics & statistics

33,902

Population

5,106

People per sq mi

43.1

Median age

$96,470

Median household income

$40,177

Per capita income

$715,400

Median home value

$1,806

Median monthly rent

66.8%

Home ownership

8.4%

Poverty rate

8.4%

Unemployment

7,815

Housing units

33.3%

Bachelor's or higher

Age distribution

Male Female

670

Under 5

712

799

5–9

850

910

10–14

968

884

15–19

939

1,157

20–24

1,230

2,253

25–34

2,394

1,805

35–44

1,919

2,364

45–54

2,512

1,243

55–59

1,321

1,171

60–64

1,245

1,566

65–74

1,665

1,088

75–84

1,157

524

85+

556

← Male

Female →

Age summary

Group	Count	%
Under 18	6,011	17.7%
18 and over	27,891	82.3%
65 and over	6,556	19.3%
Median age	43.1 years

Race & ethnicity

Hispanic or Latino 25.2%

Asian 22%

White 22%

Other race 17.2%

Two or more races 10.1%

Black or African American 2.6%

American Indian / Alaska Native 0.9%

Group	Count	%
Hispanic or Latino	11,410	25.2%
Asian	9,957	22%
White	9,956	22%
Other race	7,782	17.2%
Two or more races	4,582	10.1%
Black or African American	1,183	2.6%
American Indian / Alaska Native	424	0.9%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	30.2%	36.2%	32.6%
$50k – $100k	26.5%	28.2%	27.7%
$100k – $200k	32.1%	24.5%	26.4%
Over $200k	11.2%	11.0%	13.3%

Under $10k 4.5%

$10k–$15k 4.1%

$15k–$25k 5.8%

$25k–$35k 4.7%

$35k–$50k 7.4%

$50k–$75k 11.6%

$75k–$100k 13.6%

$100k–$150k 20.2%

$150k–$200k 12.5%

$200k+ 15.6%

Range	% of households
Under $10k	4.5%
$10k–$15k	4.1%
$15k–$25k	5.8%
$25k–$35k	4.7%
$35k–$50k	7.4%
$50k–$75k	11.6%
$75k–$100k	13.6%
$100k–$150k	20.2%
$150k–$200k	12.5%
$200k+	15.6%
Median income	$96,470

Housing

Home values

Under $50k 0.9%

$50k–$100k 1.2%

$100k–$150k 0.6%

$150k–$200k 0.2%

$200k–$300k 0.3%

$300k–$500k 11.6%

$500k–$1M 67.5%

$1M+ 17.7%

Housing overview

Metric	Value
Median home value	$715,400
Median rent / month	$1,806
Owner occupied	66.8%
Renter occupied	33.2%
Vacant	5.3%
Single-family detached	66.3%
Large apartment buildings	18.4%
Mobile homes	0.3%
Median rooms	5.8
Avg household size (owned)	3.29

Year built

Era	%
2020 or later	0.0%
2010–2019	4.3%
2000–2009	5.1%
1990–1999	6.8%
1980–1989	11.7%
1970–1979	15.6%
1960–1969	12.7%
1950–1959	40.7%
1940–1949	2.3%
1939 or earlier	0.8%

Bedrooms

Size	% of units
No bedroom (studio)	3.5%
1 bedroom	11.2%
2 bedrooms	13.7%
3 bedrooms	41.7%
4 bedrooms	21.5%
5+ bedrooms	8.4%

Vehicles per household

Vehicles	% of households
No vehicle	6.9%
1 vehicle	22.7%
2 vehicles	33.3%
3 or more	37.0%

Heating fuel

Fuel type	%
Utility gas	75.7%
Electricity	20.0%
Propane / LP gas	0.8%
Wood	0.1%
Solar	1.6%
No fuel used	1.8%

Households & families

Household type	Count	%
Married-couple family	5,364	49.7%
Cohabiting couple	512	4.7%
Male householder, no spouse	1,400	13.0%
Female householder, no spouse	3,517	32.6%
Households with children under 18	3,243	30.0%
Households with seniors (65+)	4,681	43.4%
Average household size	3.13

Marital status

Status	Male	Female
Never married	41.2%	30.1%
Married	49.0%	42.8%
Separated	0.6%	2.6%
Widowed	1.4%	13.7%
Divorced	7.9%	10.8%

Education

Less than 9th grade 6.8%

Some HS, no diploma 5.5%

HS graduate 25.4%

Some college, no degree 21.6%

Associate's degree 7.4%

Bachelor's degree 23.4%

Graduate / professional 9.9%

Metric	%
HS diploma or higher	87.7%
Bachelor's or higher	33.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	352	4.6%
Kindergarten	336	4.4%
Elementary school	2,645	34.8%
High school	1,542	20.3%
College / grad school	2,719	35.8%

Employment

Industry of employment

Education & healthcare 22.7%

Professional & management 11.9%

Retail trade 10.8%

Manufacturing 9.0%

Finance & real estate 8.9%

Transportation & utilities 8.1%

Arts, food & hospitality 8.1%

Public administration 5.7%

Other services 4.7%

Wholesale trade 4.0%

Construction 3.8%

Information 2.0%

Agriculture & mining 0.4%

Occupation

Category	%
Management, business & arts	38.2%
Service	15.5%
Sales & office	26.1%
Natural resources & construction	6.5%
Production & transportation	13.7%

Employment type

Type	%
Private sector	74.6%
Government	17.8%
Self-employed	7.5%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	74.2%
Carpool	10.9%
Public transit	2.6%
Walk	0.6%
Work from home	9.9%
Other means	1.8%
Avg commute (minutes)	34.7

Poverty

All people 8.4%

Under 18 years 9.3%

18 and over 8.2%

Married-couple families 5.0%

Female-led households 10.1%

Income support

Source	% of households
Social Security	38.0%
Retirement income	21.6%
Supplemental Security	8.0%
Cash public assistance	4.6%
Food stamps / SNAP	9.9%

Health indicators

Condition	%
Obesity	25.4%
High blood pressure	26.3%
High cholesterol	28.9%
Diabetes	9.8%
Heart disease	5.0%
Stroke	2.5%
Asthma	8.0%
Arthritis	17.1%
Kidney disease	2.6%
Pulmonary disease	4.4%
Cancer	5.4%

Behavior / access	%
Smoking	8.4%
Binge drinking	15.8%
No physical activity	20.1%
Less than 7 hrs sleep	31.4%
Depression	14.3%
Fair or poor health	13.5%
Poor mental health	13.2%
Poor physical health	8.7%
No health insurance	15.0%
Visited doctor (checkup)	64.8%
Visited dentist	64.4%
Cholesterol screening	92.0%
Teeth loss	8.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	936	3.4%

Disability	%
Any disability	14.5%
Under 18	4.0%
18–64 years	9.8%
65 and over	39.5%

Health insurance coverage

Type	%
Private insurance	66.5%
Public insurance	34.1%
No insurance	6.2%
Uninsured under 19	4.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	32,520	95.9%
Spanish	7,492	23.0%
Other Indo-European	3,454	10.6%
Asian & Pacific Islander	250	0.8%
Other languages	3,693	11.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	21,686	64.0%
Born in same state	21,344	63.0%
Born in different state	18,932	55.8%
Foreign born	342	1.0%
Naturalized citizen	12,216	36.0%
Not a US citizen	8,907	72.9%

Ancestry

Ancestry	Count	%
Arab	1,151	3.4%
French	1,101	3.2%
Italian	820	2.4%
Polish	90	0.3%

Ancestry	Count	%
Dutch	42	0.1%
Irish	27	0.1%
German	10	0%
English	10	0%

Technology access

Metric	% of households
Computer access	31.8%
Internet access	92.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 91791

What city is ZIP code 91791 in?

ZIP code 91791 is primarily assigned to West Covina, California.

What county is ZIP code 91791 in?

ZIP code 91791 falls within Los Angeles County, California.

Is Spanish widely spoken in ZIP code 91791?

Approximately 23% of households in ZIP code 91791 speak Spanish as a primary language.

Does ZIP code 91791 have a large retiree population?

38% of households in ZIP code 91791 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 91791?

The median home value in ZIP code 91791 is $715,400.

What is the population of ZIP code 91791?

ZIP code 91791 has an estimated population of 33,902 residents, with a density of 5,104 people per square mile.

What timezone is ZIP code 91791 in?

ZIP code 91791 observes the PST timezone.