ZIP Code 91331

ZIP Code Tabulation Area in Los Angeles County, California.

Population: 98,820
Median household income: $82,025
Median home value: $609,300

Covering part of Los Angeles County, California, ZIP Code 91331 has about 98,820 residents. At $82,025, its median household income sits below Los Angeles County's $87,760.

From 2019 to 2023, ZIP Code 91331's population declined 6.3% from 105,458 to 98,820, while its median gross rent rose 26.6% from $1,436 to $1,818.

The typical home was built around 1958. 16.9% of residents live below the poverty line.

Demographics

ACS 2019–2023

Population: 98,820
Median age: 34.7 yrs
Median household income: $82,025
Median home value: $609,300
Median gross rent: $1,818
Housing units: 23,926
Homeownership rate: 62.8%
Bachelor's degree or higher: 11.2%
Unemployment rate: 6.8%

Trends

ACS 5-year · 2019–2023

Population

105,45898,820

Median household income

$63,807$82,025

Median home value

$425,300$609,300

Median gross rent

$1,436$1,818

Year	Population	Median household income	Median home value	Median gross rent
2019	105,458	$63,807	$425,300	$1,436
2020	103,683	$64,375	$454,500	$1,400
2021	102,553	$72,089	$487,600	$1,510
2022	99,804	$76,942	$583,300	$1,694
2023	98,820	$82,025	$609,300	$1,818

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 55.9%

5 to 1718.5%

18 to 2410.3%

25 to 3415.8%

35 to 4413.0%

45 to 5413.1%

55 to 6411.2%

65 to 747.2%

75 and over5.0%

	Count	Share
Under 5	5,823	5.9%
5 to 17	18,251	18.5%
18 to 24	10,155	10.3%
25 to 34	15,629	15.8%
35 to 44	12,875	13.0%
45 to 54	12,981	13.1%
55 to 64	11,042	11.2%
65 to 74	7,121	7.2%
75 and over	4,943	5.0%

Race & ethnicity

	Count	Share
White (non-Hispanic)	4,201	4.3%
Black or African American	1,890	1.9%
American Indian & Alaska Native	143	0.1%
Asian	4,572	4.6%
Native Hawaiian & Pacific Islander	92	0.1%
Some other race	214	0.2%
Two or more races	1,291	1.3%
Hispanic or Latino (any race)	86,417	87.4%

Educational attainment (age 25+)

No high school diploma41.9%

High school graduate27.1%

Some college or associate's19.8%

Bachelor's degree8.7%

Graduate or professional degree2.5%

	Count	Share
No high school diploma	27,071	41.9%
High school graduate	17,491	27.1%
Some college or associate's	12,776	19.8%
Bachelor's degree	5,611	8.7%
Graduate or professional degree	1,642	2.5%

Commute to work

Mean travel time to work: 30 min

Drove alone72.8%

Carpooled14.5%

Public transit2.9%

Walked1.1%

Bicycle0.1%

Worked from home6.5%

Other means2.1%

How workers get to work

	Count	Share
Drove alone	32,441	72.8%
Carpooled	6,472	14.5%
Public transit	1,309	2.9%
Walked	506	1.1%
Bicycle	28	0.1%
Worked from home	2,882	6.5%
Other means	926	2.1%

Travel time

	Count	Share
Under 15 min	5,303	12.7%
15 to 29 min	15,003	36.0%
30 to 44 min	12,527	30.1%
45 to 59 min	4,678	11.2%
60+ min	4,171	10.0%

Households

Average household size: 4.25
Poverty rate: 16.9% (16,531 of 97,804)

	Count	Share
Family households	19,566	84.9%
Nonfamily households	3,470	15.1%

Housing

Median year structure built: 1958

Occupancy

	Count	Share
Occupied	23,036	96.3%
Vacant	890	3.7%

Tenure (of occupied units)

	Count	Share
Owner-occupied	14,475	62.8%
Renter-occupied	8,561	37.2%

1-unit, detached69.7%

1-unit, attached8.3%

2 to 4 units3.3%

5 to 19 units5.8%

20 or more units10.9%

Mobile home & other2.0%

Units in structure

	Count	Share
1-unit, detached	16,679	69.7%
1-unit, attached	1,997	8.3%
2 to 4 units	779	3.3%
5 to 19 units	1,392	5.8%
20 or more units	2,607	10.9%
Mobile home & other	472	2.0%

ZIP Code 91331

Demographics

Trends

Age distribution

Race & ethnicity

Educational attainment (age 25+)

Commute to work

Households

Housing

Geography

Counties this ZIP covers

Compare with nearby ZIP codes

National ZIP rankings

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