Altadena, CA ZIP codes

3 ZIP/ZCTAs intersecting this Census place (CDP) in Los Angeles County.

ACS 2023 population

41,921

Median household income

$129,123

Median home value

$1,073,500

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Altadena (GEOID 0601290). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 104,941 (3 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

Map of Altadena, CA

Census place boundary and intersecting ZIP Code Tabulation Areas for Altadena, CA — Census place boundary for Altadena, CA. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources

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ZIP/ZCTA overlap with Altadena

Population overlap

Share of each ZIP/ZCTA’s population located within Altadena, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

9100198.5%
USPS primary city
9110418.0%
911071.7%

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Altadena

ZIP	City	County	Population	Income
91001	Altadena	Los Angeles County	36,402	$133,840
91104	Pasadena	Los Angeles County	35,595	$103,052
91107	Pasadena	Los Angeles County	32,944	$124,880

USPS associates these ZIPs with Altadena

These codes list Altadena as a primary or acceptable city. They are not used for the ACS headline.

ZIP	City	County	Population	Income
91003	Altadena	Los Angeles County	439	—