US Census Data

ZIP 91724 vs ZIP 91731

A side-by-side comparison of ZIP Code 91724 and ZIP Code 91731: population, income, housing, and more.

ZIP 91724 and ZIP 91731 are ZIP Code areas in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 91731 has the higher population (28,122 vs 28,113 in ZIP 91724). ZIP 91724 has the higher median household income ($102,129 vs $60,887 in ZIP 91731). ZIP 91724 has the higher median home value ($722,600 vs $614,000 in ZIP 91731).

Population, income & housing

ZIP 91724ZIP 91731
Population28,11328,122
Median age39.1 yrs35.8 yrs
Median household income$102,129$60,887
Median home value$722,600$614,000
Median gross rent$2,056$1,583
Housing units9,3728,809
Homeownership rate68.4%35.7%
Bachelor's degree or higher35.5%15.2%
Unemployment rate7.2%6.8%

Trends (ACS 5-year, 2019–2023)

ZIP 91724ZIP 91731
Population26,717 → 28,113 (+5.2%)30,222 → 28,122 (-6.9%)
Median household income$82,976 → $102,129 (+23.1%)$42,293 → $60,887 (+44.0%)
Median home value$557,100 → $722,600 (+29.7%)$450,300 → $614,000 (+36.4%)
Median gross rent$1,726 → $2,056 (+19.1%)$1,201 → $1,583 (+31.8%)

ZIP 91724

Population
26,71728,113
Median household income
$82,976$102,129
Median home value
$557,100$722,600
Median gross rent
$1,726$2,056

ZIP 91731

Population
30,22228,122
Median household income
$42,293$60,887
Median home value
$450,300$614,000
Median gross rent
$1,201$1,583

Age & race/ethnicity

Age distribution (share)

ZIP 91724ZIP 91731
Under 55.5%6.3%
5 to 1715.0%17.8%
18 to 248.2%9.1%
25 to 3416.3%15.0%
35 to 4413.7%12.8%
45 to 5411.7%12.0%
55 to 6415.9%10.4%
65 to 748.6%9.0%
75 and over5.2%7.5%

Race & ethnicity (share)

ZIP 91724ZIP 91731
White (non-Hispanic)22.2%4.5%
Black or African American4.8%0.3%
American Indian & Alaska Native0.1%0.7%
Asian14.5%28.3%
Native Hawaiian & Pacific Islander0.4%0.6%
Some other race0.4%0.2%
Two or more races3.0%0.3%
Hispanic or Latino54.6%65.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 91724ZIP 91731
No high school diploma9.2%32.5%
High school graduate24.2%30.8%
Some college or associate's31.1%21.5%
Bachelor's degree23.9%12.1%
Graduate or professional degree11.6%3.1%

Commute to work

How workers get to work (share)

ZIP 91724ZIP 91731
Drove alone72.3%68.7%
Carpooled9.2%13.4%
Public transit1.7%4.3%
Walked2.0%3.6%
Bicycle0.4%1.5%
Worked from home13.6%7.7%
Other means0.9%0.8%

Housing

Units in structure (share)

ZIP 91724ZIP 91731
1-unit, detached62.8%44.8%
1-unit, attached8.3%7.2%
2 to 4 units7.9%7.1%
5 to 19 units7.4%10.5%
20 or more units8.0%25.0%
Mobile home & other5.5%5.4%

Poverty & households

ZIP 91724ZIP 91731
Poverty rate7.9%18.4%
Average household size3.103.31
Mean commute (minutes)3230
Median year structure built19681964

Full profiles

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ZIP 91724 vs ZIP 91731: Compare Population & Demographics | US Census Data