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ZIP Code 91731
El Monte, CA, Los Angeles County
Population
27,620
Land area
3.8sq mi
People per sq mi
7,277
City
El Monte
ZIP 91731 and nearby ZIP codes
ZIP 91731 at a glance
- ZIP 91731 (El Monte) is about 29 times as dense as California as a whole.
- Households here earn a median of $62,215 a year, 37% less than the California figure of $99,122.
- A typical owner-occupied home is valued at $635,600 (13% below California) and median rent is $1,669 a month.
Local data for ZIP 91731
Counts from official public data
Housing and community stats
ZIP 91731, American Community Survey 2020-2024
Median household income
$62,215
Poverty rate
17.8%
Median home value
$635,600
Prices +4.3% in a year
Median rent
$1,669/mo
Homeownership
39.6%
Bachelor's or higher
15.2%
Median age
36.6
Average commute
29.3 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
1,102
ZIP Business Patterns 2023
Employees
15,623
$946M annual payroll
PPP loans
$77.6M
1,033 loans
Campaign donations
$46.1K
14% D, 8% R, 2026 cycle
Environment and hazard risk
ZIP 91731, from FEMA, NOAA and EPA
Natural hazard risk
Very High
Top: earthquake
Storm events since 1996
662
Countywide, mostly flash flood
Flood insurance policies
10,584
0.5% of homes, county
July high / Jan low
86° / 46°F
15.7 inches of rain a year
Health statistics
Share of adults in ZIP 91731, CDC PLACES estimates
Obesity
26.1%
U.S. 33.3% -7.2 pts
Diabetes
16.2%
U.S. 12.1% +4.1 pts
Smoking
13.3%
U.S. 12.8% +0.5 pts
Uninsured (18-64)
18.3%
U.S. 11.1% +7.2 pts
Frequently asked questions
- What city is ZIP code 91731?
- ZIP code 91731 is in El Monte, CA (Los Angeles County).
- What county is ZIP code 91731 in?
- ZIP code 91731 is mostly in Los Angeles County, California.
- How many people live in ZIP code 91731?
- About 27,620 people live in the 91731 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.