What county is 91791 in?

91791 is in Los Angeles County.

What is the median household income in 91791?

The median household income in 91791 is $100,365.

Which ZIP codes are near 91791?

Use the radius tool on this page to list ZIP codes within a chosen distance of 91791.

ZIP code

91791

West Covina, CA

STANDARD

91791 covers West Covina in Los Angeles County, with 33,321 people in the ACS 2023 estimate.

Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology

ACS 2023 population

33,321

Median household income

$100,365

Median home value

$782,500

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 91791. Methodology

ZIP code map of 91791

Census ZCTA boundary for ZIP 91791 in West Covina, California. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources

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About ZIP code 91791

Type

STANDARD

City

West Covina

County

Los Angeles County

Timezone

America/Los_Angeles

Area codes

626, 840, 909

Land area

6.6 sq mi

Water area

0.02 sq mi

Households

11,315

Median gross rent

$1,875

More enterprise fields

Timezone

America/Los_Angeles

Area Codes

626, 840, 909

World Region

Country

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 91791. Not ACS. Methodology

People in 91791

Race

White8,006
Black or African American1,241
American Indian or Alaska Native583
Asian10,109
Native Hawaiian and Pacific Islander72
Other race7,548
Two or more races6,708

Hispanic or Latino (any race): 17,287

Age

Under 103,359
10 to 194,231
20 to 294,966
30 to 394,170
40 to 494,230
50 to 594,810
60 to 694,176
70 to 792,634
80 and older1,691

Income and housing in 91791

Poverty rate

9.8%

Median earnings

$46,807

Median household income

$100,365

Median home value

$782,500

Median gross rent

$1,875

Education

High school graduate86.8%
Bachelor's degree34.3%
Graduate degree9.6%

Places covering 91791

Cities and places — Population overlap

Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Counties — Population overlap

Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

Los Angeles County100.0%

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

0.1% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 91791

IRS populationACS population

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
Year	ACS population	IRS population
2005		29,838
2006		29,229
2007		31,034
2008		29,953
2009		30,606
2010		30,391
2011	32,170	30,961
2012	32,226	30,560
2013	31,796	30,200
2014	33,174	30,380
2015	33,247	30,700
2016	33,484	30,680
2017	33,953	30,750
2018	34,363	30,340
2019	33,397	30,980
2020	33,314	30,720
2021	34,411	29,990
2022	33,902	29,460
2023	33,321

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 91791

12 nearest ZIP centroids (any distance)

91723Covina1.6 miPop 18,200 · Income $87,363
91724Covina2.5 miPop 28,113 · Income $102,129
91790West Covina2.6 miPop 44,791 · Income $100,142
91722Covina2.6 miPop 34,087 · Income $98,033
91792West Covina2.8 miPop 30,921 · Income $96,383
91744La Puente3.3 miPop 78,253 · Income $92,624
91789Walnut3.7 miPop 40,933 · Income $125,742
91740Glendora4.5 miPop 26,160 · Income $98,819
91706Baldwin Park5.0 miPop 71,620 · Income $79,473
91746La Puente5.6 miPop 28,256 · Income $84,967
91773San Dimas5.7 miPop 33,917 · Income $105,926
91748Rowland Heights5.8 miPop 43,137 · Income $83,455

ZIP centroids within 2 miles

ZIP centroids within 2 miles of 91791, measured by Census internal point.
ZIP	City	State	Distance (miles)	ACS population	Median income
91723	Covina	CA	1.6 mi	18,200	$87,363

ZIPs within 2 miles of this place

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Radius (miles)

91791 West Covina, CA

Looking up ZIP codes within 2 miles of 91791 West Covina, CA, measured by centroid distance.

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ZIP code 91791 FAQ

What city is ZIP code 91791 in?: 91791 is in West Covina, CA.
What county is 91791 in?: 91791 is in Los Angeles County.
What is the median household income in 91791?: The median household income in 91791 is $100,365.
Which ZIP codes are near 91791?: Use the radius tool on this page to list ZIP codes within a chosen distance of 91791.