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ZIP CODE TABULATION AREA

91331

California · 97,608 residents · 9.35 sq mi
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ZIP 91331 is home to 97,608 people in Los Angeles County. 43% of people in this ZIP code were born outside the United States. 11% of adults hold a bachelor's degree, below the 36% national rate. There are 10,445 people per square mile. Median home value sits at $633,200. The median age is 35.4, younger than the US median of 38.9. Among the 276 ZIP codes in Los Angeles County, 91331 ranks 174th by median household income.

$84,227
US average: $82,259
$25,242
US average: $44,673
$633,200
US average: $376,019
11.0%
US average: 35.6%
Land area
9.35 sq mi
Age, sex & households
Under 18
23.7%
Age 65+
12.9%
51.3%
48.7%
4.17 people
Race & ethnicity · 2024
2024
White, non-Hispanic3.8%(3,745)
Black1.8%(1,731)
Hispanic / Latino88.3%(86,227)
Asian4.7%(4,580)
Other1.4%(1,325)
27
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
7.5
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
LOWEST174TH 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 91331?

ZIP code 91331 has about 97,608 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 91331?

The typical household in ZIP code 91331 earns about $84,227 a year. Half of households make more than that, and half make less.

Is ZIP code 91331 expensive?

In ZIP code 91331, the median home is worth about $633,200, and the typical rent is about $1,844 a month.

How educated are people in ZIP code 91331?

About 11.0% of adults age 25 and over in ZIP code 91331 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 91331?

About 16.2% of people in ZIP code 91331 live below the federal poverty line.

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