Demographics in Altadena, CA
Population, age, race, ethnicity, and household statistics — 2023 ACS Data
Where is Altadena?
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Population
Source: U.S. Census Bureau ACS (2023)Total Population
41,921
Male
19,711
47.0%
Female
22,210
53.0%
Median Age
46.2
Age Distribution
Source: U.S. Census Bureau ACS (2023)Race & Ethnicity
Source: U.S. Census Bureau ACS (2023)White46.0%
Black18.0%
Hispanic27.2%
Asian5.7%
Two or More17.1%
Other11.9%
Education & Household
Source: U.S. Census Bureau ACS (2023)Bachelor's or Higher
39.9%
High School or Higher
51.2%
Foreign Born
21.1%
Veterans
3.5%
Married
42.8%
Avg Household Size
2.7
Marital Status by Age
Source: U.S. Census Bureau ACS (2023)Altadena, CA has a population of 41,921 with a median age of 46.2. The racial makeup is 46.0% White, 27.2% Hispanic, 18.0% Black, 5.7% Asian. About 39.9% of residents hold a bachelor's degree or higher. The foreign-born population is 21.1%.