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CITY · 2000 CENSUS

Altadena

California · 42,610 residents · 8.47 sq mi
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The short version

Altadena is home to 42,610 people in California. Median home value sits at $259,500. 39% of adults hold a bachelor's degree, against 24% nationally. That is roughly 27% ahead of the California median. Median household income runs $60,549, well clear of the $42,589 US median. 74% of homes are owner-occupied.

At a glance
Wealthier
above the US median
US median: $42,589
Older
median age 37.6
US median: 35.2
More educated
39% hold a bachelor's degree
US average: 24%
More affordable
home values down 17%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
42,610
Unchangedsince 1990
from 42,658 in 1990
1990 – 2024
Median age
37.6
+8%since 1990
from 34.8 in 1990
US average: 35.2
Land area
8.47 sq mi
Population, 1990 – 2024
41K42K43K45K46K19902000201020202024Altadena
202442K
1990201020202024
Age distribution, 2000
Under 56.8%(2,911)
US avg: 6.8%
5 to 97.9%(3,374)
US avg: 7.3%
10 to 147.7%(3,282)
US avg: 7.3%
15 to 196.2%(2,654)
US avg: 7.2%
20 to 244.3%(1,841)
US avg: 6.7%
25 to 3412.4%(5,266)
US avg: 14.2%
35 to 4417.7%(7,555)
US avg: 16%
45 to 5415.3%(6,534)
US avg: 13.4%
55 to 649.3%(3,944)
US avg: 8.6%
65 to 746.3%(2,692)
US avg: 6.5%
75 to 844.3%(1,818)
US avg: 4.4%
85 and over1.7%(739)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$60,549
+4%inflation adjusted, since 1990
from $44,072 in 1990
US average: $42,589
1990 – 2024
Per capita income
$27,604
+49%since 1990
from $18,524 in 1990
US average: $21,522
Poverty rate
10.6%
+0.7 ptssince 1990
from 9.9% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$259,500
−17%inflation adjusted, since 1990
from $238,500 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$752
−16%inflation adjusted, since 1990
from $680 in 1990
US average: $602
Owner-occupied
74.0%
+0.4 ptssince 1990
from 73.6% in 1990
26.0% rent
Section 04

Race & ethnicity

1990
White, non-Hispanic48.9%(20,856)
Black38.9%(16,596)
Hispanic / Latino13.8%(5,880)
Asian4.1%(1,741)
2000
White, non-Hispanic39.5%(16,848)
Black30.8%(13,112)
Hispanic / Latino20.4%(8,690)
Asian4.1%(1,761)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican19.3%(8,049)
Central American3.6%(1,510)
Salvadoran2.1%(892)
Nicaraguan0.8%(317)
Colombian0.5%(224)
Guatemalan0.5%(216)
Ecuadorian0.4%(169)
Argentine0.4%(160)
Cuban0.4%(153)
Spaniard0.3%(112)
Puerto Rican0.2%(103)
+ 7 more hispanic origin groups with data
Chilean0.2%(88)
Dominican0.1%(44)
Panamanian0.1%(37)
Costa Rican0.1%(33)
Honduran0%(13)
Peruvian0%(12)
Asian origin
Chinese1.6%(683)
Japanese1.2%(509)
Filipino1%(404)
Asian Indian0.7%(281)
Korean0.6%(252)
Bangladeshi0.6%(239)
Vietnamese0.2%(66)
Indonesian0.1%(25)
Burmese0.1%(22)
Sri Lankan0.1%(22)
Thai0%(17)
+ 2 more asian origin groups with data
Kazakh0%(9)
Pacific Islander origin
Fijian0.1%(50)
Samoan0.1%(47)
Tongan0%(11)
Ancestry
English9.4%(3,921)
German7.6%(3,170)
Irish7.5%(3,135)
Armenian5.1%(2,126)
Italian4%(1,667)
Polish2.9%(1,221)
American2.4%(1,007)
French1.8%(757)
Scottish1.6%(665)
Swedish1.5%(627)
Russian1.2%(515)
+ 42 more ancestry groups with data
Hungarian1.1%(458)
Arab1.1%(445)
Kenyan0.9%(379)
Welsh0.8%(343)
Dutch0.8%(316)
Lebanese0.7%(296)
Norwegian0.6%(264)
Scotch-Irish0.6%(240)
British0.5%(225)
Danish0.4%(170)
Ukrainian0.4%(155)
Swiss0.3%(145)
Lithuanian0.3%(130)
Jamaican0.3%(116)
Romanian0.3%(108)
Finnish0.2%(92)
Canadian0.2%(82)
Nigerian0.2%(80)
Croatian0.2%(75)
Greek0.1%(59)
Iranian0.1%(42)
Czech0.1%(41)
Portuguese0.1%(40)
Slovene0.1%(33)
Palestinian0.1%(32)
Belgian0.1%(29)
Ethiopian0.1%(28)
Latvian0.1%(27)
Egyptian0.1%(26)
Austrian0.1%(26)
Ghanaian0.1%(21)
Syrian0%(20)
Iraqi0%(15)
Turkish0%(14)
Serbian0%(11)
Slovak0%(11)
Haitian0%(10)
Section 05

Education

Bachelor's degree or higher
38.9%
+5.6 ptssince 1990
from 33.3% in 1990
US average: 24.4%
High school or higher
84.7%
+1.0 ptssince 1990
from 83.6% in 1990
US average: 80.3%
Graduate degree
17.1%
+2.8 ptssince 1990
from 14.3% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
20.7 min
−18%since 1990
from 25.2 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married33%(5,122)
Married57.7%(8,963)
Widowed2.2%(349)
Divorced7.1%(1,102)
Women 15+
Never married24.4%(4,287)
Married53.8%(9,445)
Widowed9.3%(1,633)
Divorced12.5%(2,204)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured
3.5%
−12.9 ptssince 2013
from 16.4% in 2013
US average: 8.4%
Employer-based
57.0%
+1.8 ptssince 2020
from 55.2% in 2020
US average: 54.8%
Direct-purchase
14.2%
−1.0 ptssince 2020
from 15.2% in 2020
US average: 13.8%
Medicare
21.8%
+1.3 ptssince 2020
from 20.5% in 2020
US average: 18.4%
Medicaid
20.1%
−2.1 ptssince 2020
from 22.2% in 2020
US average: 20.9%
VA health care
0.8%
−0.6 ptssince 2020
from 1.4% in 2020
US average: 2.2%
Any private
69.8%
+1.3 ptssince 2020
from 68.5% in 2020
US average: 67.1%
Any public
38.2%
−0.9 ptssince 2020
from 39.1% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)4.7%(58)
US avg: 26.4%
Gulf War (1990s)14.2%(174)
US avg: 24.3%
Vietnam era36.5%(448)
US avg: 33.1%
Korean War9.9%(122)
US avg: 4.5%
World War II6.9%(85)
US avg: 1%

Share of the 1,228 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in Altadena, California?

Altadena, California has about 42,610 residents according to the 2000 Census.

What is the median household income in Altadena, California?

The typical household in Altadena, California earns about $60,549 a year. Half of households make more than that, and half make less.

Is Altadena, California expensive?

In Altadena, California, the median home is worth about $259,500, and the typical rent is about $752 a month.

How educated are people in Altadena, California?

About 38.9% of adults age 25 and over in Altadena, California hold a bachelor's degree or higher.

What is the poverty rate in Altadena, California?

About 10.6% of people in Altadena, California live below the federal poverty line.

Has Altadena, California grown since 1990?

Yes, Altadena, California has shrunk since 1990. The population has lost about 48 residents, a change of about -0 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →