US ZIP Code Map
Loading ZIP borders…

Layers

ZIP code

91731

El Monte, CA

STANDARD

91731 covers El Monte in Los Angeles County, with 28,122 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

28,122

Median household income

$60,887

Median home value

$614,000

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 91731. Methodology

ZIP code map of 91731

Census ZCTA boundary for ZIP 91731 in El Monte, California
Census ZCTA boundary for ZIP 91731 in El Monte, California. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
Download PNG

About ZIP code 91731

Type

STANDARD

Timezone

America/Los_Angeles

Area codes

626

Land area

3.8 sq mi

Water area

0.06 sq mi

Households

8,809

Median gross rent

$1,583

More enterprise fields

Timezone
America/Los_Angeles
Area Codes
626
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 91731. Not ACS. Methodology

People in 91731

Race

  • White3,940
  • Black or African American317
  • American Indian or Alaska Native581
  • Asian8,712
  • Native Hawaiian and Pacific Islander18
  • Other race10,208
  • Two or more races4,421

Hispanic or Latino (any race): 17,830

Age

  • Under 103,068
  • 10 to 193,815
  • 20 to 294,364
  • 30 to 393,765
  • 40 to 493,493
  • 50 to 593,482
  • 60 to 693,173
  • 70 to 791,928
  • 80 and older1,109

Income and housing in 91731

Poverty rate

18.4%

Median earnings

$33,530

Median household income

$60,887

Median home value

$614,000

Median gross rent

$1,583

Education

  • High school graduate67.5%
  • Bachelor's degree15.2%
  • Graduate degree3.1%

Places covering 91731

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.

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

Population history for 91731

IRS populationACS population
32,85116,426020052023

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.
YearACS populationIRS population
200523,567
200623,649
200725,817
200825,019
200926,157
201027,066
201129,27927,916
201229,70326,580
201329,74425,970
201429,20925,480
201530,41825,770
201630,17925,110
201730,06324,980
201830,13923,690
201930,22223,880
202030,31324,010
202128,24422,900
202228,20122,550
202328,122

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

ZIP codes near 91731

12 nearest ZIP centroids (any distance)

  1. 91732El Monte1.7 miPop 58,056 · Income $67,172
  2. 91780Temple City1.7 miPop 35,136 · Income $101,746
  3. 91733South El Monte2.3 miPop 41,716 · Income $67,245
  4. 91770Rosemead2.4 miPop 58,893 · Income $73,757
  5. 91776San Gabriel3.0 miPop 37,769 · Income $79,926
  6. 91007Arcadia3.4 miPop 33,141 · Income $101,762
  7. 91775San Gabriel3.6 miPop 23,776 · Income $113,703
  8. 91006Arcadia4.0 miPop 32,106 · Income $127,511
  9. 91746La Puente4.1 miPop 28,256 · Income $84,967
  10. 91804Alhambra4.5 miPop — · Income —
  11. 91755Monterey Park4.5 miPop 26,413 · Income $74,362
  12. 91706Baldwin Park4.5 miPop 71,620 · Income $79,473

ZIP centroids within 2 miles

ZIP centroids within 2 miles of 91731, measured by Census internal point.
ZIPCityStateDistance (miles)ACS populationMedian income
91732El MonteCA1.7 mi58,056$67,172
91780Temple CityCA1.7 mi35,136$101,746

ZIPs within 2 miles of this place

Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.

91731 El Monte, CA

Looking up ZIP codes within 2 miles of 91731 El Monte, CA, measured by centroid distance.

Selected —

ACS population

—

Households

—

Avg median income

—

Avg median home

—

Selected ZIP codes

One ZIP code per line. Leading zeros preserved.

ZIP code 91731 FAQ

What city is ZIP code 91731 in?
91731 is in El Monte, CA.
What county is 91731 in?
91731 is in Los Angeles County.
What is the median household income in 91731?
The median household income in 91731 is $60,887.
Which ZIP codes are near 91731?
Use the radius tool on this page to list ZIP codes within a chosen distance of 91731.