Altadena, CA Population Statistics: Density Map Data
Analyze population trends, housing costs, and the local economy by exploring Map AI.
Area Snapshot Statistics
Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.
Population
| Metric | Altadena | California Avg | U.S. Average |
|---|---|---|---|
| Population | 39,334 | 38,909,900 | 334,821,731 |
| Population density (per sq mi) | 4638.0 | 237.3 | 85.8 |
| Population growth (%/yr) | -0.84% | 0.19% | 0.57% |
| Median age | 46.7 | 35.4 | 37.1 |
| Households | 14,487 | 13,415,389 | 128,459,983 |
Population in Altadena declined by 5.5% from 2009 to 2023, reaching 40,462 in 2023.
Population Growth 2009–2023
Race & Ethnicity
Economy
Altadena has a the economy index of B, which means it is quite prosperous.
| Metric | Altadena | California Avg | U.S. Average |
|---|---|---|---|
| Median household income | $130,249 | $96,718 | $78,145 |
| Income growth (%/yr) | 5.87% | 6.01% | 5.07% |
| Unemployment rate | 7.2% | 6.4% | 5.2% |
The median household income in Altadena is about 35% higher than in California.
Housing
| Metric | Altadena | California Avg | U.S. Average |
|---|---|---|---|
| Median home price | $1,142,780 | $642,203 | $242,182 |
| Median rent | $2,256 | $1,955 | $1,342 |
| Homeownership rate | 78.2% | 55.8% | 65.1% |
The median home price in Altadena is about 42.2 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $2,256 per month for that long.
Commute Time & Mobility
Commuters in Altadena spend about 47 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 197 hours, about 8.2 full days, spent commuting.
| Metric | Altadena | California Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 23.6 | 23.6 | 22.5 |
| Round-trip commute (min) | 47.2 | 47.2 | 44.9 |
| Yearly time spent (hours) | 197 | 197 | 187 |
| Estimated yearly cost | $6,093 | $6,099 | $5,803 |
| Work from home | 24.2% | 15.5% | 13.4% |
| Highway traffic (vehicles/day) | 29,898 | 16,509 | 8,813 |
| Local road traffic (vehicles/day) | 1,980 | 2,449 | 1,355 |
The average commute time in Altadena is about the same as in California.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Altadena has a education index of A+, which means it is exceptionally educated.
| Metric | Altadena | California Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 49.2% | 33.0% | 31.6% |
| Average household size | 2.72 | 2.85 | 2.54 |
Health
Altadena has a health index of A, which means it is very healthy.
| Metric | Altadena | California Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 81.9 | 79.6 | 78.3 |
| Self-rated poor health | 13.0% | 16.4% | 16.3% |
| Smokers | 9.2% | 13.9% | 19.0% |
Frequently Asked Questions
Common questions about Altadena, California.
What is the population of Altadena, California?
The population of Altadena, California is 39,334, compared to the U.S. total of 334,821,731.
What is the population density of Altadena, California?
The population density of Altadena, California is 4638.0 people per square mile, compared to the U.S. average of 85.8 people per square mile.
What is the median household income in Altadena, California?
The median household income in Altadena, California is $130,249, compared to the U.S. median of $78,145.
What is the median home price in Altadena, California?
The median home price in Altadena, California is $1,142,780, compared to the U.S. median of $242,182.
What is the unemployment rate in Altadena, California?
The unemployment rate in Altadena, California is 7.2%, compared to the U.S. average of 5.2%.