ZIP Code 91731 Map
Census ZIP Code Tabulation Area 91731 in El Monte, CA (Los Angeles County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 91731 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
27,620
Households
8,293
Median household income
$62,215
Median age
36.6 years
Median home value
$635,600
Median gross rent
$1,669/mo
Owner-occupied homes
39.6%
Bachelor's degree or higher
15.2%
Below poverty level
17.8%
Land area
3.8 sq mi
Population density
7,278 / sq mi