US Census Data

ZIP 91723 vs ZIP 91731

A side-by-side comparison of ZIP Code 91723 and ZIP Code 91731: population, income, housing, and more.

ZIP 91723 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 18,200 in ZIP 91723). ZIP 91723 has the higher median household income ($87,363 vs $60,887 in ZIP 91731). ZIP 91723 has the higher median home value ($663,800 vs $614,000 in ZIP 91731).

Population, income & housing

ZIP 91723ZIP 91731
Population18,20028,122
Median age38.1 yrs35.8 yrs
Median household income$87,363$60,887
Median home value$663,800$614,000
Median gross rent$1,711$1,583
Housing units6,5168,809
Homeownership rate42.9%35.7%
Bachelor's degree or higher24.9%15.2%
Unemployment rate7.2%6.8%

Trends (ACS 5-year, 2019–2023)

ZIP 91723ZIP 91731
Population18,521 → 18,200 (-1.7%)30,222 → 28,122 (-6.9%)
Median household income$64,422 → $87,363 (+35.6%)$42,293 → $60,887 (+44.0%)
Median home value$496,100 → $663,800 (+33.8%)$450,300 → $614,000 (+36.4%)
Median gross rent$1,420 → $1,711 (+20.5%)$1,201 → $1,583 (+31.8%)

ZIP 91723

Population
18,52118,200
Median household income
$64,422$87,363
Median home value
$496,100$663,800
Median gross rent
$1,420$1,711

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 91723ZIP 91731
Under 56.0%6.3%
5 to 1715.0%17.8%
18 to 247.7%9.1%
25 to 3415.6%15.0%
35 to 4415.3%12.8%
45 to 5412.3%12.0%
55 to 6414.6%10.4%
65 to 747.3%9.0%
75 and over6.2%7.5%

Race & ethnicity (share)

ZIP 91723ZIP 91731
White (non-Hispanic)18.6%4.5%
Black or African American4.4%0.3%
American Indian & Alaska Native0.0%0.7%
Asian11.0%28.3%
Native Hawaiian & Pacific Islander0.1%0.6%
Some other race1.4%0.2%
Two or more races1.5%0.3%
Hispanic or Latino63.0%65.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 91723ZIP 91731
No high school diploma12.5%32.5%
High school graduate26.3%30.8%
Some college or associate's36.2%21.5%
Bachelor's degree18.2%12.1%
Graduate or professional degree6.7%3.1%

Commute to work

How workers get to work (share)

ZIP 91723ZIP 91731
Drove alone71.1%68.7%
Carpooled11.4%13.4%
Public transit2.1%4.3%
Walked1.7%3.6%
Bicycle1.0%1.5%
Worked from home10.8%7.7%
Other means1.8%0.8%

Housing

Units in structure (share)

ZIP 91723ZIP 91731
1-unit, detached40.7%44.8%
1-unit, attached9.4%7.2%
2 to 4 units11.8%7.1%
5 to 19 units21.4%10.5%
20 or more units16.4%25.0%
Mobile home & other0.4%5.4%

Poverty & households

ZIP 91723ZIP 91731
Poverty rate9.6%18.4%
Average household size2.873.31
Mean commute (minutes)3430
Median year structure built19611964

Full profiles

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