US Census Data

ZIP 91040 vs ZIP 91042

A side-by-side comparison of ZIP Code 91040 and ZIP Code 91042: population, income, housing, and more.

ZIP 91040 and ZIP 91042 are ZIP Code areas in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 91042 has the higher population (27,055 vs 21,436 in ZIP 91040). ZIP 91040 has the higher median household income ($104,719 vs $81,707 in ZIP 91042). ZIP 91042 has the higher median home value ($801,800 vs $787,000 in ZIP 91040).

Population, income & housing

ZIP 91040ZIP 91042
Population21,43627,055
Median age43.3 yrs45.7 yrs
Median household income$104,719$81,707
Median home value$787,000$801,800
Median gross rent$1,820$1,782
Housing units8,23710,815
Homeownership rate66.7%53.2%
Bachelor's degree or higher31.4%29.1%
Unemployment rate7.4%8.0%

Trends (ACS 5-year, 2019–2023)

ZIP 91040ZIP 91042
Population20,049 → 21,436 (+6.9%)26,966 → 27,055 (+0.3%)
Median household income$86,594 → $104,719 (+20.9%)$64,532 → $81,707 (+26.6%)
Median home value$579,200 → $787,000 (+35.9%)$556,800 → $801,800 (+44.0%)
Median gross rent$1,411 → $1,820 (+29.0%)$1,495 → $1,782 (+19.2%)

ZIP 91040

Population
20,04921,436
Median household income
$86,594$104,719
Median home value
$579,200$787,000
Median gross rent
$1,411$1,820

ZIP 91042

Population
26,96627,055
Median household income
$64,532$81,707
Median home value
$556,800$801,800
Median gross rent
$1,495$1,782

Age & race/ethnicity

Age distribution (share)

ZIP 91040ZIP 91042
Under 55.0%4.4%
5 to 1713.8%12.5%
18 to 245.7%7.3%
25 to 3412.5%11.3%
35 to 4414.3%13.2%
45 to 5412.2%14.1%
55 to 6415.8%16.0%
65 to 7412.2%13.3%
75 and over8.6%7.9%

Race & ethnicity (share)

ZIP 91040ZIP 91042
White (non-Hispanic)61.1%58.7%
Black or African American3.4%1.5%
American Indian & Alaska Native0.2%0.2%
Asian8.8%8.6%
Native Hawaiian & Pacific Islander0.0%0.1%
Some other race0.4%1.1%
Two or more races3.9%2.8%
Hispanic or Latino22.2%26.9%

Educational attainment (age 25+)

Share of adults 25+

ZIP 91040ZIP 91042
No high school diploma12.9%15.6%
High school graduate24.8%21.3%
Some college or associate's30.9%34.0%
Bachelor's degree22.2%18.4%
Graduate or professional degree9.1%10.6%

Commute to work

How workers get to work (share)

ZIP 91040ZIP 91042
Drove alone70.8%73.3%
Carpooled9.2%9.0%
Public transit0.7%2.6%
Walked0.5%1.2%
Bicycle0.1%0.0%
Worked from home17.9%11.2%
Other means0.8%2.7%

Housing

Units in structure (share)

ZIP 91040ZIP 91042
1-unit, detached75.2%61.1%
1-unit, attached4.8%6.2%
2 to 4 units1.9%3.4%
5 to 19 units5.5%13.7%
20 or more units8.8%14.9%
Mobile home & other3.8%0.6%

Poverty & households

ZIP 91040ZIP 91042
Poverty rate7.9%11.4%
Average household size2.802.62
Mean commute (minutes)3533
Median year structure built19591964

Full profiles

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ZIP 91040 vs ZIP 91042: Compare Population & Demographics | US Census Data