US Census Data

ZIP 92821 vs ZIP 92831

A side-by-side comparison of ZIP Code 92821 and ZIP Code 92831: population, income, housing, and more.

ZIP 92821 and ZIP 92831 are ZIP Code areas in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 92821 has the higher population (42,196 vs 35,831 in ZIP 92831). ZIP 92821 has the higher median household income ($116,660 vs $89,451 in ZIP 92831). ZIP 92821 has the higher median home value ($851,800 vs $821,300 in ZIP 92831).

Population, income & housing

ZIP 92821ZIP 92831
Population42,19635,831
Median age39.7 yrs31.7 yrs
Median household income$116,660$89,451
Median home value$851,800$821,300
Median gross rent$2,254$2,093
Housing units15,23213,691
Homeownership rate58.0%40.4%
Bachelor's degree or higher48.7%44.4%
Unemployment rate5.6%7.9%

Trends (ACS 5-year, 2019–2023)

ZIP 92821ZIP 92831
Population37,712 → 42,196 (+11.9%)37,359 → 35,831 (-4.1%)
Median household income$91,531 → $116,660 (+27.5%)$70,725 → $89,451 (+26.5%)
Median home value$640,900 → $851,800 (+32.9%)$643,600 → $821,300 (+27.6%)
Median gross rent$1,828 → $2,254 (+23.3%)$1,653 → $2,093 (+26.6%)

ZIP 92821

Population
37,71242,196
Median household income
$91,531$116,660
Median home value
$640,900$851,800
Median gross rent
$1,828$2,254

ZIP 92831

Population
37,35935,831
Median household income
$70,725$89,451
Median home value
$643,600$821,300
Median gross rent
$1,653$2,093

Age & race/ethnicity

Age distribution (share)

ZIP 92821ZIP 92831
Under 55.9%5.2%
5 to 1716.8%13.1%
18 to 247.7%18.4%
25 to 3413.7%17.5%
35 to 4413.7%11.3%
45 to 5412.9%12.9%
55 to 6412.3%10.6%
65 to 7410.3%5.9%
75 and over6.7%5.2%

Race & ethnicity (share)

ZIP 92821ZIP 92831
White (non-Hispanic)38.3%34.4%
Black or African American1.3%1.9%
American Indian & Alaska Native0.0%0.2%
Asian23.7%16.7%
Native Hawaiian & Pacific Islander0.1%0.2%
Some other race0.3%1.0%
Two or more races4.2%3.9%
Hispanic or Latino32.0%41.7%

Educational attainment (age 25+)

Share of adults 25+

ZIP 92821ZIP 92831
No high school diploma7.1%10.5%
High school graduate14.5%16.9%
Some college or associate's29.7%28.2%
Bachelor's degree29.9%28.2%
Graduate or professional degree18.8%16.2%

Commute to work

How workers get to work (share)

ZIP 92821ZIP 92831
Drove alone76.5%70.7%
Carpooled7.7%8.0%
Public transit0.8%1.4%
Walked1.2%4.3%
Bicycle0.2%0.8%
Worked from home12.2%14.2%
Other means1.4%0.6%

Housing

Units in structure (share)

ZIP 92821ZIP 92831
1-unit, detached52.2%39.8%
1-unit, attached11.1%8.8%
2 to 4 units4.4%11.6%
5 to 19 units8.5%12.2%
20 or more units19.7%27.0%
Mobile home & other4.1%0.5%

Poverty & households

ZIP 92821ZIP 92831
Poverty rate6.2%16.1%
Average household size2.842.67
Mean commute (minutes)3127
Median year structure built19761969

Full profiles

2