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CITY · 1990 CENSUS

Altadena

California · 42,658 residents · 8.47 sq mi
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The short version

Altadena is a city of 42,658 people in California. Median home value sits at $238,500. 33% of adults hold a bachelor's degree, against 20% nationally. Median household income runs $44,072, well clear of the $30,130 US median. Median rent is $680 a month. Owners hold 74% of the housing stock.

At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 34.8
US median: 33.0
More educated
33% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01

Population & growth

Total population
42,658
Unchangedvs 2000
vs 42,610 in 2000
1990 – 2024
Median age
34.8
−7%vs 2000
vs 37.6 in 2000
US average: 33.0
Land area
8.47 sq mi
Population, 1990 – 2024
41K42K43K45K46K19902000201020202024Altadena
202442K
1990201020202024
Age distribution, 1990
Under 58.1%(3,436)
US avg: 7.3%
5 to 97.5%(3,201)
US avg: 7.3%
10 to 146.4%(2,732)
US avg: 6.9%
15 to 196%(2,568)
US avg: 7.1%
20 to 245.8%(2,476)
US avg: 7.5%
25 to 3416.6%(7,082)
US avg: 17.5%
35 to 4418%(7,695)
US avg: 15.1%
45 to 5411.3%(4,804)
US avg: 10.2%
55 to 648.2%(3,495)
US avg: 8.5%
65 to 746.7%(2,864)
US avg: 7.3%
75 to 844.1%(1,754)
US avg: 4%
85 and over1.3%(551)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$44,072
−4%inflation adjusted, since 2000
vs $60,549 in 2000
US average: $30,130
1990 – 2024
Per capita income
$18,524
−33%vs 2000
vs $27,604 in 2000
US average: $14,340
Poverty rate
9.9%
−0.7 ptsvs 2000
vs 10.6% in 2000
US average: 13.2%
Section 03

Housing

Median home value
$238,500
+21%inflation adjusted, since 2000
vs $259,500 in 2000
US average: $93,722
1990 – 2024
Median gross rent
$680
+19%inflation adjusted, since 2000
vs $752 in 2000
US average: $450
Owner-occupied
73.6%
−0.4 ptsvs 2000
vs 74.0% in 2000
26.4% rent
Section 04

Race & ethnicity

2000
White, non-Hispanic39.5%(16,848)
Black30.8%(13,112)
Hispanic / Latino20.4%(8,690)
Asian4.1%(1,761)
Other0%
1990
White, non-Hispanic48.9%(20,856)
Black38.9%(16,596)
Hispanic / Latino13.8%(5,880)
Asian4.1%(1,741)
Other8.1%(3,465)

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
33.3%
−5.6 ptsvs 2000
vs 38.9% in 2000
US average: 20.3%
High school or higher
83.6%
−1.0 ptsvs 2000
vs 84.7% in 2000
US average: 75.2%
Graduate degree
14.3%
−2.8 ptsvs 2000
vs 17.1% in 2000
US average: 7.1%
Section 06

Commute & transportation

Average commute
25.2 min
+22%vs 2000
vs 20.7 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)
Men 15+
Never married37.9%(6,235)
Married54.6%(8,981)
Widowed2.2%(354)
Divorced5.4%(887)
Women 15+
Never married29.6%(5,495)
Married45.8%(8,512)
Widowed9.4%(1,739)
Divorced15.3%(2,841)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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 42,658 residents according to the 1990 Census.

What is the median household income in Altadena, California?

The typical household in Altadena, California earns about $44,072 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 $238,500, and the typical rent is about $680 a month.

How educated are people in Altadena, California?

About 33.3% 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 9.9% of people in Altadena, California live below the federal poverty line.

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

How we source and harmonize this data →