Altadena, CA
Population 41,921 · California
About Altadena, CA
Altadena is a mid-sized city in California with a population of 41,921 residents. The median household income is $129,123 per year, which is above the national average. The median age in Altadena is 46.2 years.
Housing in Altadena has a median home value of $1,073,500 and median monthly rent of $2,250. Of the 15,744 total housing units, the majority are owner-occupied, with 11,756 owner-occupied and 3,262 renter-occupied units.
The unemployment rate in Altadena is 7.3% and the poverty rate is 7.4%. 52.7% of residents hold a bachelor's degree or higher. The average commute time is 27.1 minutes.
Cost of Living in Altadena, CA
Compared to national averages, Altadena has a median household income of $129,123 (72% above the national median of $75,149). Home values average $1,073,500, which is 338% above the national median. Monthly rent at $2,250 is 93% above the US average of $1,163. Within California, Altadena's income is 32% above the state average of $97,829, and home values are 64% above the state median of $653,874.
Why Live in Altadena, CA?
Altadena offers a strong local economy with a median household income of $129,123, well above the national average, and a well-educated community where 52.7% of residents hold a bachelor’s degree or higher, and a low poverty rate of 7.4%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $1,073,500. However, Altadena’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Altadena has a population of 41,921 with a median age of 46.2 years. Compare Altadena with other cities to see how it stacks up, or explore all cities in California.
Similar Cities Near Altadena
Cities in California with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| French Valley | 42,550 | $132,605 | $637,800 | Compare |
| Rancho Palos Verdes | 41,259 | $175,307 | $1,541,400 | Compare |
| Coachella | 42,594 | $67,558 | $341,300 | Compare |
| San Bruno | 42,612 | $135,976 | $1,199,400 | Compare |
| Vineyard | 42,645 | $108,403 | $552,400 | Compare |
| Campbell | 42,848 | $147,128 | $1,550,000 | Compare |
| Hollister | 43,003 | $101,979 | $679,300 | Compare |
| Danville | 43,426 | $223,206 | $1,583,300 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in California
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Altadena
What is the population of Altadena, CA?
The population of Altadena, CA is 41,921 according to the latest Census data.
What is the median household income in Altadena?
The median household income in Altadena, CA is $129,123 per year.
What is the median home value in Altadena?
The median home value in Altadena, CA is $1,073,500.
What is the average rent in Altadena?
The median monthly rent in Altadena, CA is $2,250.
What is the unemployment rate in Altadena?
The unemployment rate in Altadena, CA is 7.3%.