State
County
Land Area (mi²)
8.5 sq mi
Density (mi²)
5,297.70/sq mi
2020 Growth Rate
0.00%
Growth Since 2010
4.85%
World Population Review
Altadena, California Population 2021
44,850
Altadena is a city located in Los Angeles County California. Altadena has a 2020 population of 44,850. Altadena is currently declining at a rate of 0.00% annually and its population has increased by 4.85% since the most recent census, which recorded a population of 42,777 in 2010. Altadena reached it's highest population of 45,236 in 2017.
The average household income in Altadena is $135,929 with a poverty rate of 7.51%. The median rental costs in recent years comes to $1,692 per month, and the median house value is $742,800. The median age in Altadena is 44.3 years, 42.6 years for males, and 46.3 years for females.
Altadena Demographics
According to the most recent ACS, the racial composition of Altadena was:
- White: 54.29%
- Black or African American: 22.17%
- Other race: 11.21%
- Asian: 6.44%
- Two or more races: 4.93%
- Native American: 0.83%
- Native Hawaiian or Pacific Islander: 0.13%
The current population of Altadena, California is 44,850 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 45,146.The last official US Census in 2010 recorded the population at 42,777.
Altadena, California Population 2021
| Race | Population | Percentage |
|---|---|---|
| White | 24,349 | 54.29% |
| Black or African American | 9,944 | 22.17% |
| Some Other Race | 5,027 | 11.21% |
| Asian | 2,888 | 6.44% |
| Two or More Races | 2,212 | 4.93% |
| American Indian and Alaska Native | 371 | 0.83% |
| Native Hawaiian and Other Pacific Islander | 59 | 0.13% |
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Altadena Population by Race
Altadena Population Pyramid $2021
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Altadena Population by Age
Altadena Households and Families
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 15,265 | 2.9 | 72 |
| Married | 8,309 | 3.4 | 77.8 |
| Non Family | 4,206 | 1.34 | 61.7 |
| Female | 2,092 | 3.83 | 65.5 |
| Male | 658 | 3.59 | 86.3 |
3.38
Average Family Size
2.9
Average Household Size
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Altadena Households by Type
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| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 2,419 | 7.36% |
| 9th to 12th Grade | 1,144 | 3.48% |
| High School Graduate | 5,114 | 15.56% |
| Some College | 6,896 | 20.99% |
| Associates Degree | 2,389 | 7.27% |
| Bachelors Degree | 7,649 | 23.28% |
| Graduate Degree | 7,248 | 22.06% |
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Altadena Educational Attainment by Sex (over 25)
Altadena Educational Attainment by Race
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| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 14,510 | 13,655 | 8,806 |
| Hispanic | 7,519 | 5,304 | 1,714 |
| Black | 7,513 | 7,205 | 2,203 |
| Other Race | 3,140 | 2,005 | 453 |
| Asian | 2,386 | 2,248 | 1,622 |
| 2+ Races | 1,048 | 1,001 | 663 |
| Native American | 222 | 160 | 28 |
| Islander | 5 | 5 |
The highest rate of high school graduation is among islander people with a rate of 100.00%.
The highest rate of bachelors degrees is among asian people with a rate of 67.98%.
Altadena Educational Attainment by Race
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$52,455
Average Earnings
$60,469
Average Male
$42,265
Average Female
Altadena Earnings by Educational Attainment
Altadena Language by Age
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Altadena Language
68.63% of Altadena residents speak only English, while 31.37% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 20.06% of the population.
Altadena Language
Altadena Poverty by Race
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| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 17,758 | 1,026 | 5.78% |
| Black | 9,878 | 1,020 | 10.33% |
| Hispanic | 12,231 | 1,004 | 8.21% |
| Other | 4,938 | 493 | 9.98% |
| Asian | 2,876 | 183 | 6.36% |
| Multiple | 2,208 | 103 | 4.66% |
| Native | 371 | 22 | 5.93% |
7.51%
Overall Poverty Rate
7.36%
Male Poverty Rate
7.66%
Female Poverty Rate
Poverty in Altadena
The race most likely to be in poverty in Altadena is Black, with 10.33% below the poverty level.
The race least likely to be in poverty in Altadena is Multiple, with 4.66% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.69%. Among those working part-time, it was 9.19%, and for those that did not work, the poverty rate was 12.94%.
Altadena Poverty
Altadena Poverty Rate by Education
Altadena Marital Status
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Marriage Rates
49.2%
Overall Marriage Rate
52.5%
Male Marriage Rate
46.3%
Female Marriage Rate
Altadena Married by Age and Sex
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Altadena Marriage
The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.
Altadena Marital Status by Race
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Altadena Marital Status
Altadena Veterans by War
Altadena Veterans by Age
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| Name | Veterans | % of Total |
|---|---|---|
| White | 997 | 4.97% |
| Black | 853 | 10.30% |
| Hispanic | 193 | 2.23% |
| 2+ Races | 104 | 8.97% |
| Other Race | 43 | 1.12% |
| Native American | 40 | 17.02% |
| Asian | 17 | 0.69% |
Altadena Veterans by Race
Altadena Veterans by Education
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4.05%
Veteran Poverty Rate
27.18%
Veteran Disability Rate
Altadena Veterans by Education
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64.4%
Labor Force Participation
60.8%
Employment Rate
5.6%
Unemployment Rate
Altadena Employment by Age
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Altadena Employment by Race
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Altadena Employment by Education
Origin of Non-Citizens
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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Origin of Naturalized Citizens
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80.29%
Native Born
19.71%
Foreign Born
7.57%
Non Citizen
12.14%
Naturalized
Place of Birth
80.29% of Altadena residents were born in the United States, with 55.48% having been born in California. 7.57% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Altadena Place of Birth
| Year | Population | Growth | Annual Growth Rate |
|---|---|---|---|
| 2021 | 44,850 | 0.00% | |
| 2020 | 44,850 | 0.00% | |
| 2019 | 44,850 | -296 | -0.66% |
| 2018 | 45,146 | -90 | -0.20% |
| 2017 | 45,236 | 235 | 0.52% |
| 2016 | 45,001 | 380 | 0.85% |
| 2015 | 44,621 | -1 | -0.00% |
| 2014 | 44,622 | -393 | -0.87% |
| 2013 | 45,015 | 437 | 0.98% |
| 2012 | 44,578 | -428 | -0.95% |
| 2011 | 45,006 | 2,229 | 5.21% |
| 2010 | 42,777 | 0.00% |