Altadena is a CDP located in Los Angeles County California. Altadena has a 2024 population of 42,709. Altadena is currently declining at a rate of -0.01% annually and its population has decreased by -0.76% since the most recent census, which recorded a population of 43,037 in 2020.
The average household income in Altadena is $177,894 with a poverty rate of 7.44%. The median age in Altadena is 46.2 years: 44.1 years for males, and 48.2 years for females.
According to the most recent ACS, the racial composition of Altadena was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 19,287 | 46.01% |
| Black or African American | 7,555 | 18.02% |
| Two or more races | 7,176 | 17.12% |
| Other race | 5,011 | 11.95% |
| Asian | 2,370 | 5.65% |
| Native American | 522 | 1.25% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
White
Black or African American
Two or more races
Other race
Asian
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 15,018 | 2.73 | 78.3 | 21.7 |
| Married | 7,632 | 3.29 | 84.6 | 15.4 |
| Non Family | 4,351 | 1.22 | 73.4 | 26.6 |
| Female | 2,442 | 3.51 | 67.5 | 32.5 |
| Male | 593 | 3.5 | 76.2 | 23.8 |
3.25
Average Family Size
2.73
Average Household Size
78.3%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 899 | 2.83% |
| Associates Degree | 2,889 | 9.09% |
| Bachelors Degree | 8,555 | 26.92% |
| Graduate Degree | 8,175 | 25.73% |
| High School Graduate | 4,747 | 14.94% |
| Less Than 9th Grade | 1,373 | 4.32% |
| Some College | 5,136 | 16.16% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 14,741 | 14,329 | 9,408 |
| Hispanic | 7,213 | 5,655 | 2,213 |
| Black | 6,083 | 5,877 | 2,399 |
| 2+ Races | 3,910 | 3,554 | 2,091 |
| Other Race | 3,542 | 2,498 | 805 |
| Asian | 2,091 | 2,034 | 1,576 |
| Native American | 287 | 182 | 9 |
The highest rate of high school graduation is among asian people with a rate of 97.27%.
The highest rate of bachelors degrees is among asian people with a rate of 75.37%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $87,582 | $96,681 | $75,433 |
| Graduate Degree | $109,794 | $131,553 | $104,386 |
| High School Graduate | $36,471 | $38,190 | $35,111 |
| Less Than 9th Grade | $28,610 | $30,016 | $0 |
| Overall | $69,988 | $73,880 | $61,673 |
| Some College | $50,838 | $69,629 | $35,326 |
$69,988
Average Earnings
$73,880
Average Male
$61,673
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
68.7% of Altadena residents speak only English, while 31.3% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 19.74% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| Hispanic | 11,314 | 1,347 | 11.91% |
| White | 17,428 | 1,091 | 6.26% |
| Other | 4,959 | 851 | 17.16% |
| Multiple | 7,163 | 555 | 7.75% |
| Black | 7,305 | 467 | 6.39% |
| Asian | 2,349 | 67 | 2.85% |
| Native | 522 | 19 | 3.64% |
7.44%
Overall Poverty Rate
6.31%
Male Poverty Rate
8.44%
Female Poverty Rate
The race most likely to be in poverty in Altadena is Other, with 17.16% below the poverty level.
The race least likely to be in poverty in Altadena is Asian, with 2.85% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2%. Among those working part-time, it was 6.27%, and for those that did not work, the poverty rate was 15.7%.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 15.93% |
| High School | 13.54% |
| Some College | 7.06% |
| Bachelors or Greater | 4.03% |
rate
Rate | Poverty |
|---|---|
| Male Unemployed | 10.29% |
| Female Unemployed | 9.98% |
| Female Employed | 3.95% |
| Male Employed | 2.7% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $153,791 | $201,024 |
| Households | $129,123 | $177,894 |
| Married Families | $193,387 | $-999,999,999 |
| Non Families | $82,034 | $112,415 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
49.1%
Overall Marriage Rate
54.9%
Male Marriage Rate
44.0%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
1,445
Number of Veterans
1,426
Male Veterans
19
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 479 |
| Korea | 212 |
| First Gulf War | 165 |
| Second Gulf War | 150 |
| World War II | 105 |
count
Age Group | Veterans |
|---|---|
| 75+ | 753 |
| 35 to 54 | 264 |
| 65 to 74 | 254 |
| 55 to 64 | 174 |
| 18 to 34 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 742 | 4.48% |
| Black | 527 | 8.11% |
| Hispanic | 153 | 1.89% |
| Other Race | 91 | 2.36% |
| 2+ Races | 64 | 1.39% |
| Native American | 21 | 6.86% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
2.16%
Veteran Poverty Rate
30.1%
Veteran Disability Rate
LaborForceParticipation
63.5%
Labor Force Participation
58.7%
Employment Rate
7.3%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
55.12%
Born in Altadena
78.95%
Native Born
21.05%
Foreign Born
5.37%
Non Citizen
15.68%
Naturalized
78.95% of Altadena residents were born in the United States, with 55.12% having been born in California. 5.37% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Change |
|---|---|---|---|
| 2024 | 42,709 | -5 | -0.01% |
| 2023 | 42,714 | -5 | -0.01% |
| 2022 | 42,719 | -665 | -1.53% |
| 2021 | 43,384 | 347 | 0.81% |
| 2020 | 43,037 | -1,813 | -4.04% |
| 2019 | 44,850 | -296 | -0.66% |
| 2018 | 45,146 | -90 | -0.2% |
| 2017 | 45,236 | 235 | 0.52% |
| 2016 | 45,001 | 380 | 0.85% |
| 2015 | 44,621 | -1 | 0% |
| 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 | 0% |