US Census Data

ZIP 91324 vs ZIP 91331

A side-by-side comparison of ZIP Code 91324 and ZIP Code 91331: population, income, housing, and more.

ZIP 91324 and ZIP 91331 are ZIP Code areas in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 91331 has the higher population (98,820 vs 29,510 in ZIP 91324). ZIP 91324 has the higher median household income ($99,834 vs $82,025 in ZIP 91331). ZIP 91324 has the higher median home value ($869,200 vs $609,300 in ZIP 91331).

Population, income & housing

ZIP 91324ZIP 91331
Population29,51098,820
Median age38.7 yrs34.7 yrs
Median household income$99,834$82,025
Median home value$869,200$609,300
Median gross rent$2,286$1,818
Housing units11,40823,926
Homeownership rate48.5%62.8%
Bachelor's degree or higher38.1%11.2%
Unemployment rate6.1%6.8%

Trends (ACS 5-year, 2019–2023)

ZIP 91324ZIP 91331
Population29,670 → 29,510 (-0.5%)105,458 → 98,820 (-6.3%)
Median household income$80,260 → $99,834 (+24.4%)$63,807 → $82,025 (+28.6%)
Median home value$624,400 → $869,200 (+39.2%)$425,300 → $609,300 (+43.3%)
Median gross rent$1,744 → $2,286 (+31.1%)$1,436 → $1,818 (+26.6%)

ZIP 91324

Population
29,67029,510
Median household income
$80,260$99,834
Median home value
$624,400$869,200
Median gross rent
$1,744$2,286

ZIP 91331

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

Age & race/ethnicity

Age distribution (share)

ZIP 91324ZIP 91331
Under 55.6%5.9%
5 to 1713.5%18.5%
18 to 2410.1%10.3%
25 to 3415.4%15.8%
35 to 4414.4%13.0%
45 to 5413.1%13.1%
55 to 6411.6%11.2%
65 to 748.7%7.2%
75 and over7.6%5.0%

Race & ethnicity (share)

ZIP 91324ZIP 91331
White (non-Hispanic)31.2%4.3%
Black or African American5.1%1.9%
American Indian & Alaska Native0.3%0.1%
Asian19.9%4.6%
Native Hawaiian & Pacific Islander0.0%0.1%
Some other race0.9%0.2%
Two or more races2.9%1.3%
Hispanic or Latino39.6%87.4%

Educational attainment (age 25+)

Share of adults 25+

ZIP 91324ZIP 91331
No high school diploma13.6%41.9%
High school graduate19.2%27.1%
Some college or associate's29.0%19.8%
Bachelor's degree26.8%8.7%
Graduate or professional degree11.3%2.5%

Commute to work

How workers get to work (share)

ZIP 91324ZIP 91331
Drove alone70.2%72.8%
Carpooled8.6%14.5%
Public transit3.3%2.9%
Walked2.4%1.1%
Bicycle0.7%0.1%
Worked from home10.7%6.5%
Other means4.0%2.1%

Housing

Units in structure (share)

ZIP 91324ZIP 91331
1-unit, detached49.8%69.7%
1-unit, attached4.7%8.3%
2 to 4 units1.4%3.3%
5 to 19 units8.3%5.8%
20 or more units34.2%10.9%
Mobile home & other1.6%2.0%

Poverty & households

ZIP 91324ZIP 91331
Poverty rate11.7%16.9%
Average household size2.794.25
Mean commute (minutes)3030
Median year structure built19701958

Full profiles

2