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ZIP CODE TABULATION AREA

91731

California · 27,620 residents · 3.80 sq mi
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ZIP 91731 is a ZIP code of 27,620 people in Los Angeles County. 47% of people in this ZIP code were born outside the United States. Owners hold 40% of the housing stock. 15% of adults hold a bachelor's degree, below the 36% national rate. Median home value sits at $635,600. Density works out to 7,278 people per square mile. Among the 276 ZIP codes in Los Angeles County, 91731 ranks 244th by median household income.

$62,215
US average: $82,259
$24,216
US average: $44,673
$635,600
US average: $376,019
15.2%
US average: 35.6%
Land area
3.80 sq mi
Age, sex & households
Under 18
23.3%
Age 65+
17.4%
52.2%
47.8%
3.27 people
Race & ethnicity · 2024
2024
White, non-Hispanic3.4%(937)
Black0.5%(149)
Hispanic / Latino67.1%(18,530)
Asian27.4%(7,566)
Other1.6%(438)
59
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
10.2
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Los Angeles County
Income rank vs other ZIPs
LOWEST244TH OF 276HIGHEST
Adjacent ZIPs
90001$60,767
90002$59,021
90003$56,030
90004$64,826
Frequently asked

How many people live in ZIP code 91731?

ZIP code 91731 has about 27,620 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 91731?

The typical household in ZIP code 91731 earns about $62,215 a year. Half of households make more than that, and half make less.

Is ZIP code 91731 expensive?

In ZIP code 91731, the median home is worth about $635,600, and the typical rent is about $1,669 a month.

How educated are people in ZIP code 91731?

About 15.2% of adults age 25 and over in ZIP code 91731 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 91731?

About 17.8% of people in ZIP code 91731 live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024