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91001 ZIP Code

Altadena, California

December 30, 2025
ZIP Code:91001
City/Town:Altadena
County:Los Angeles
State:California
ZIP Type:Standard
Population:36,420
Median Household Income:$129,030
Per Capita Income:$58,102
Total Housing Units:13,272
Median Home Value:$1,002,600
Land Area:8.3 sq miles
21.4 sq km
Water Area:0.0 sq miles
0.1 sq km
Coordinates:34.1945, -118.1383

Population Information (91001 zip code)

#%US
Total Population:36,420----
Male:17,50248.1%49.6%
Female:18,91851.9%50.4%
Median Age:44.5 yrs--38.5 yrs
Under 5 years:2,0125.5%5.7%
5 to 9 years:1,9535.4%6.0%
10 to 14 years:2,3046.3%6.5%
15 to 19 years:1,7354.8%6.6%
20 to 24 years:1,5494.3%6.7%
25 to 34 years:4,00911.0%13.7%
35 to 44 years:4,84413.3%12.9%
45 to 54 years:5,34314.7%12.4%
55 to 59 years:2,9558.1%6.5%
60 to 64 years:2,4126.6%6.4%
65 to 74 years:3,78910.4%9.7%
75 to 84 years:2,4176.6%4.8%
85 years and over:1,0983.0%2.0%

Housing Information (91001 zip code)

#%US
Median home value:$1,002,600--$281,900
Median rooms:5.9--5.5
Median rent:$2,160 / mo.--$1,268 / mo.
Total housing units:13,272----
Occupied housing units:12,40893.5%38.0%
Vacant housing units:8646.5%4.6%
Housing tenure:------
Owner-occupied:9,82279.2%64.8%
Renter-occupied:2,58620.8%35.2%

Educational Attainment (91001 zip code)

#%US
Population 25 years and over:26,867----
Less than 9th grade:1,2974.8%4.7%
9th to 12th grade, no diploma:7822.9%6.1%
High school graduate:3,64013.5%26.4%
Some college, no degree:4,89718.2%19.7%
Associate degree:2,4129.0%8.7%
Bachelor's degree:7,17726.7%20.9%
Graduate or professional degree:6,66224.8%13.7%
Percent high school graduate or higher:--92.3%89.1%
Percent bachelor's degree or higher:--51.5%34.3%

Income Information (91001 zip code)

ValueUS
Median household income:$129,030 / yr.$75,149 / yr.
Mean household income:$180,431 / yr.$105,833 / yr.
Median family income:$142,488 / yr.$92,646 / yr.
Per capita income:$58,102 / yr.$41,261 / yr.

Employment (91001 zip code)

#%US
In labor force:19,468--63.5%
Employed:17,96892.5%96.4%
Unemployed:1,4597.5%5.3%
Not in labor force:10,409----
Class of Worker:------
Private wage and salary:12,69870.7%79.7%
Government workers:2,86716.0%14.2%
Self-employed:2,31912.9%5.9%
Unpaid family workers:840.5%0.1%

Race & Ethnicity (91001 zip code)

#%US
Race (one race):------
White:16,00443.9%61.6%
Black or African American:7,76721.3%12.4%
American Indian/Alaska Native:3521.0%1.1%
Asian:2,2256.1%6.0%
Native Hawaiian/Pacific Islander:90.0%0.2%
Some other race:5,16014.2%8.4%
Two or more races:4,90313.5%10.2%
Hispanic or Latino (any race):8,04922.1%18.7%
Mexican:10,79329.6%11.2%
Puerto Rican:7,16019.7%1.8%
Cuban:510.1%0.7%
Other Hispanic or Latino:2030.6%5.0%
Not Hispanic or Latino:3,3799.3%81.1%

Income Distribution (91001 zip code)

Household IncomeHouseholds%US
Less than $10,000:2331.9%4.9%
$10,000 to $14,999:1741.4%3.8%
$15,000 to $24,999:4853.9%7.0%
$25,000 to $34,999:6505.2%7.4%
$35,000 to $49,999:8606.9%10.7%
$50,000 to $74,999:1,42711.5%16.1%
$75,000 to $99,999:1,0178.2%12.8%
$100,000 to $149,999:2,13617.2%17.1%
$150,000 to $199,999:1,50212.1%8.8%
$200,000 or more:3,92431.6%11.4%

Commute to Work (91001 zip code)

Commute MethodWorkers%US
Drove alone:11,85266.0%67.8%
Carpooled:1,0185.7%8.7%
Public transportation:5192.9%4.2%
Walked:2571.4%2.5%
Other means:4492.5%0.9%
Worked from home:3,55019.8%13.8%
Mean travel time to work:27.9 min--26.7 min

Industry (91001 zip code)

Industry SectorWorkers%US
Agriculture, forestry, fishing, mining:920.5%1.6%
Construction:6933.9%6.9%
Manufacturing:6183.4%10.0%
Wholesale trade:3532.0%2.4%
Retail trade:9995.6%11.0%
Transportation, warehousing, utilities:7184.0%5.8%
Information:1,2056.7%1.9%
Finance, insurance, real estate:1,2827.1%6.7%
Professional, scientific, management:3,22818.0%12.1%
Education, health care, social services:4,99327.8%23.3%
Arts, entertainment, food services:1,5768.8%9.0%
Other services:1,2637.0%4.7%
Public administration:9485.3%4.7%

Poverty Status (91001 zip code)

#%US
Poverty Rate:--7.1%8.8%
All people below poverty level:------
Under 18 years:----16.3%
18 to 64 years:----11.0%
65 years and over:----10.3%

Health Insurance (91001 zip code)

#%US
With health insurance:35,14296.5%91.3%
Private health insurance:25,63070.4%67.6%
Public health coverage:13,61937.4%35.9%
Without health insurance:1,1843.3%8.7%

Benefits & Assistance (91001 zip code)

Households with:#%US
Earnings:10,47684.4%77.4%
Social Security income:4,32334.8%31.0%
Retirement income:3,10925.1%21.8%
Supplemental Security Income (SSI):3933.2%4.5%
Cash public assistance income:3963.2%1.8%
SNAP (food stamps) benefits:6004.8%11.4%

Housing Types (91001 zip code)

Structure TypeUnits%US
1-unit, detached:11,94690.0%61.4%
1-unit, attached:2982.2%6.1%
2 units:1951.5%3.4%
3 or 4 units:1631.2%4.3%
5 to 9 units:1010.8%4.6%
10 to 19 units:1521.1%4.3%
20 or more units:3732.8%9.9%
Mobile home:360.3%5.8%
Boat, RV, van, etc.:80.1%0.1%

Year Structure Built (91001 zip code)

Year BuiltUnits%US
Built 2020 or later:200.2%0.6%
Built 2010 to 2019:2291.7%8.2%
Built 2000 to 2009:2251.7%13.5%
Built 1990 to 1999:4623.5%13.2%
Built 1980 to 1989:3562.7%13.2%
Built 1970 to 1979:5404.1%14.6%
Built 1960 to 1969:1,0057.6%10.2%
Built 1950 to 1959:2,46818.6%9.9%
Built 1940 to 1949:3,20624.2%4.6%
Built 1939 or earlier:4,76135.9%12.0%

Bedrooms (91001 zip code)

Number of BedroomsUnits%US
No bedroom (studio):1571.2%2.4%
1 bedroom:7255.5%3.0%
2 bedrooms:3,36825.4%9.1%
3 bedrooms:6,72550.7%15.9%
4 bedrooms:1,75513.2%18.8%
5 or more bedrooms:5424.1%17.6%

Heating Fuel (91001 zip code)

Fuel TypeUnits%US
Utility gas:9,91579.9%47.1%
Bottled, tank, or LP gas:260.2%4.9%
Electricity:2,11817.1%40.2%
Fuel oil, kerosene, etc.:270.2%4.2%
Coal or coke:00.0%0.1%
Wood:570.5%1.5%
Solar energy:400.3%0.1%
Other fuel:00.0%0.5%
No fuel used:2251.8%0.2%

Vehicles Available (91001 zip code)

VehiclesHouseholds%US
No vehicle available:4353.5%8.3%
1 vehicle available:3,45527.8%32.6%
2 vehicles available:5,33443.0%37.0%
3 or more vehicles available:3,18425.7%22.1%

Home Value Distribution (91001 zip code)

Value RangeOwner Units%US
Less than $50,000:1001.0%5.7%
$50,000 to $99,999:310.3%7.8%
$100,000 to $149,999:830.8%9.2%
$150,000 to $199,999:00.0%10.8%
$200,000 to $299,999:560.6%19.9%
$300,000 to $499,999:2322.4%24.1%
$500,000 to $999,999:4,38744.7%17.0%
$1,000,000 or more:4,93350.2%5.6%

Housing Costs (91001 zip code)

ValueUS
Median owner costs (with mortgage):$3,341 / mo.$1,828 / mo.
Median owner costs (no mortgage):$746 / mo.$584 / mo.
Median gross rent:$2,160 / mo.$1,268 / mo.
Average household size (owner-occupied):2.892.53
Average household size (renter-occupied):2.892.38

Households (91001 zip code)

#%US
Total households:12,408----
Married-couple households:6,52652.6%47.5%
Cohabiting couple households:2,40519.4%7.0%
Male householder, no spouse:1,42511.5%5.4%
Female householder, no spouse:3,90731.5%12.7%
Householder living alone:3,89931.4%28.6%
65 years and over living alone:4,92539.7%11.8%
Average household size:2.89--2.53
Average family size:3.32----

Marital Status (91001 zip code)

Population 15 years and over#%US
Total:14,431----
Never married:5,23236.3%37.0%
Now married:7,79454.0%49.5%
Separated:4463.1%1.5%
Widowed:8355.8%2.6%
Divorced:4,72732.8%9.3%

School Enrollment (91001 zip code)

Population 3 years and over#%US
Enrolled in school:8,109----
Nursery school, preschool:5897.3%5.8%
Kindergarten:2893.6%5.0%
Elementary school (grades 1-8):3,51543.3%40.5%
High school (grades 9-12):1,56819.3%21.4%
College or graduate school:2,14826.5%27.3%

Veterans & Disability (91001 zip code)

#%US
Civilian population 18 years and over:28,985----
Veterans:1,5415.3%6.3%
Civilian noninstitutionalized population:36,326----
With a disability:3,95310.9%13.4%
Under 18 with disability:1173.0%5.8%
18 to 64 with disability:1,59440.3%10.4%
65 and over with disability:2,24256.7%33.4%

Mobility (Residence 1 Year Ago) (91001 zip code)

Population 1 year and over#%US
Same house:33,03090.7%86.9%
Different house:3,0768.4%13.1%
Same county:2,29274.5%7.0%
Different county:63220.5%3.2%
Different state:35911.7%2.5%
Abroad:1524.9%0.4%

Place of Birth (91001 zip code)

#%US
Native born:29,49981.0%86.2%
Foreign born:4021.1%13.9%
Naturalized citizen:6,9211721.6%52.7%
Not a citizen:6,9211721.6%47.3%
Foreign-born by region:------
Europe:6,9211721.6%10.5%
Asia:638158.7%31.3%
Africa:407101.2%5.5%
Oceania:9323.1%0.5%
Latin America:3,923975.9%50.0%
Northern America:20651.2%2.2%

Language Spoken at Home (91001 zip code)

Population 5 years and over#%US
Total:34,408----
English only:24,35370.8%78.3%
Language other than English:10,05529.2%21.5%
By language:------
Spanish:7,46421.7%13.3%
Other Indo-European languages:1,4574.2%3.5%
Asian/Pacific Island languages:8922.6%3.5%
Other languages:2420.7%1.0%

Computers & Internet (91001 zip code)

Households%US
Households with a computer:12,408100.0%93.1%
Households with broadband internet:12,08097.4%89.4%