US Census Data

ZIP 91103 vs ZIP 91104

A side-by-side comparison of ZIP Code 91103 and ZIP Code 91104: population, income, housing, and more.

ZIP 91103 and ZIP 91104 are ZIP Code areas in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 91104 has the higher population (35,595 vs 24,910 in ZIP 91103). ZIP 91104 has the higher median household income ($103,052 vs $84,683 in ZIP 91103). ZIP 91104 has the higher median home value ($1,022,600 vs $960,000 in ZIP 91103).

Population, income & housing

ZIP 91103ZIP 91104
Population24,91035,595
Median age39.9 yrs42.0 yrs
Median household income$84,683$103,052
Median home value$960,000$1,022,600
Median gross rent$1,925$2,040
Housing units9,39214,381
Homeownership rate46.6%56.6%
Bachelor's degree or higher37.7%51.3%
Unemployment rate6.6%5.0%

Trends (ACS 5-year, 2019–2023)

ZIP 91103ZIP 91104
Population27,659 → 24,910 (-9.9%)37,874 → 35,595 (-6.0%)
Median household income$71,231 → $84,683 (+18.9%)$77,919 → $103,052 (+32.3%)
Median home value$716,700 → $960,000 (+33.9%)$744,000 → $1,022,600 (+37.4%)
Median gross rent$1,488 → $1,925 (+29.4%)$1,510 → $2,040 (+35.1%)

ZIP 91103

Population
27,65924,910
Median household income
$71,231$84,683
Median home value
$716,700$960,000
Median gross rent
$1,488$1,925

ZIP 91104

Population
37,87435,595
Median household income
$77,919$103,052
Median home value
$744,000$1,022,600
Median gross rent
$1,510$2,040

Age & race/ethnicity

Age distribution (share)

ZIP 91103ZIP 91104
Under 54.8%4.6%
5 to 1715.6%14.8%
18 to 246.5%7.0%
25 to 3415.8%13.1%
35 to 4414.6%14.4%
45 to 5412.4%15.3%
55 to 6412.6%14.5%
65 to 749.0%10.7%
75 and over8.7%5.7%

Race & ethnicity (share)

ZIP 91103ZIP 91104
White (non-Hispanic)23.8%38.3%
Black or African American14.4%6.4%
American Indian & Alaska Native0.2%0.1%
Asian12.4%9.9%
Native Hawaiian & Pacific Islander0.1%0.0%
Some other race0.4%0.4%
Two or more races3.8%6.0%
Hispanic or Latino45.1%38.9%

Educational attainment (age 25+)

Share of adults 25+

ZIP 91103ZIP 91104
No high school diploma20.4%12.4%
High school graduate19.1%16.6%
Some college or associate's22.9%19.6%
Bachelor's degree22.1%27.9%
Graduate or professional degree15.5%23.4%

Commute to work

How workers get to work (share)

ZIP 91103ZIP 91104
Drove alone66.1%62.5%
Carpooled4.5%6.5%
Public transit3.7%4.3%
Walked2.7%1.2%
Bicycle0.3%0.6%
Worked from home18.5%21.3%
Other means4.2%3.5%

Housing

Units in structure (share)

ZIP 91103ZIP 91104
1-unit, detached57.3%66.5%
1-unit, attached4.9%5.7%
2 to 4 units9.7%7.0%
5 to 19 units13.2%8.9%
20 or more units14.8%11.8%
Mobile home & other0.1%0.1%

Poverty & households

ZIP 91103ZIP 91104
Poverty rate18.5%12.4%
Average household size2.762.59
Mean commute (minutes)2829
Median year structure built19561938

Full profiles

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ZIP 91103 vs ZIP 91104: Compare Population & Demographics | US Census Data