US Census Data

ZIP 90731 vs ZIP 90740

A side-by-side comparison of ZIP Code 90731 and ZIP Code 90740: population, income, housing, and more.

ZIP 90731 and ZIP 90740 are ZIP Code areas in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 90731 has the higher population (62,452 vs 24,382 in ZIP 90740). ZIP 90740 has the higher median household income ($82,427 vs $71,936 in ZIP 90731). ZIP 90731 has the higher median home value ($808,800 vs $488,400 in ZIP 90740).

Population, income & housing

ZIP 90731ZIP 90740
Population62,45224,382
Median age38.8 yrs61.4 yrs
Median household income$71,936$82,427
Median home value$808,800$488,400
Median gross rent$1,645$2,421
Housing units24,47714,208
Homeownership rate32.7%76.3%
Bachelor's degree or higher25.4%51.0%
Unemployment rate6.9%5.1%

Trends (ACS 5-year, 2019–2023)

ZIP 90731ZIP 90740
Population60,659 → 62,452 (+3.0%)24,307 → 24,382 (+0.3%)
Median household income$53,456 → $71,936 (+34.6%)$68,947 → $82,427 (+19.6%)
Median home value$590,700 → $808,800 (+36.9%)$370,100 → $488,400 (+32.0%)
Median gross rent$1,330 → $1,645 (+23.7%)$1,930 → $2,421 (+25.4%)

ZIP 90731

Population
60,65962,452
Median household income
$53,456$71,936
Median home value
$590,700$808,800
Median gross rent
$1,330$1,645

ZIP 90740

Population
24,30724,382
Median household income
$68,947$82,427
Median home value
$370,100$488,400
Median gross rent
$1,930$2,421

Age & race/ethnicity

Age distribution (share)

ZIP 90731ZIP 90740
Under 55.2%2.5%
5 to 1716.6%10.6%
18 to 247.0%3.6%
25 to 3415.3%7.7%
35 to 4415.2%8.5%
45 to 5413.3%9.0%
55 to 6413.1%14.0%
65 to 748.6%21.1%
75 and over5.6%23.0%

Race & ethnicity (share)

ZIP 90731ZIP 90740
White (non-Hispanic)26.9%68.5%
Black or African American5.1%1.1%
American Indian & Alaska Native0.3%0.1%
Asian5.2%14.3%
Native Hawaiian & Pacific Islander0.5%0.0%
Some other race0.8%0.2%
Two or more races4.4%3.3%
Hispanic or Latino56.9%12.5%

Educational attainment (age 25+)

Share of adults 25+

ZIP 90731ZIP 90740
No high school diploma18.7%4.6%
High school graduate25.0%15.4%
Some college or associate's31.0%29.0%
Bachelor's degree17.0%28.9%
Graduate or professional degree8.4%22.1%

Commute to work

How workers get to work (share)

ZIP 90731ZIP 90740
Drove alone72.9%67.7%
Carpooled9.1%4.0%
Public transit4.6%0.6%
Walked1.4%2.6%
Bicycle0.3%1.0%
Worked from home10.5%23.5%
Other means1.1%0.6%

Housing

Units in structure (share)

ZIP 90731ZIP 90740
1-unit, detached38.2%35.0%
1-unit, attached5.1%24.4%
2 to 4 units22.4%6.2%
5 to 19 units20.6%24.8%
20 or more units13.6%9.1%
Mobile home & other0.0%0.6%

Poverty & households

ZIP 90731ZIP 90740
Poverty rate16.0%5.5%
Average household size2.591.89
Mean commute (minutes)3130
Median year structure built19631966

Full profiles

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