Population Demographics for Altadena, California in 2020, 2019



Other Counties and Cities in California


Population Demographics by Race

RacePopulation% of Total
Total Population42,777100
White22,56952
Hispanic or Latino11,50226
Black or African American10,13623
Some Other Race4,85211
Two or More Races2,5425
Asian2,3075
Three or more races349Below 1%
American Indian300Below 1%

Population Demographics by Race and gender.

MaleFemaleTotal
Total Population20,62322,15442,777
White11,09811,47122,569
Hispanic or Latino5,6965,80611,502
Black or African American4,7515,38510,136
Some Other Race2,4532,3994,852
Two or More Races1,2001,3422,542
Asian9311,3762,307
Three or more races135214349
American Indian156144300

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Demographic population totals

Total population in Altadena

 
Total Population:42,777
Male Population:20,623
Female Population:22,154

Demographic median age by sex

Median age in Altadena

 
Both sexes41
Male40
Female43

Demographic sex by age for the population in households

Population in households in Altadena

 
Total Population:42,276
Male Population:20,302
Under 5 years:1,291
5 to 9 years:1,265
10 to 14 years:1,378
15 to 17 years:891
18 and 19 years:535
20 years:235
21 years:222
22 to 24 years:708
25 to 29 years:1,106
30 to 34 years:1,089
35 to 39 years:1,308
40 to 44 years:1,599
45 to 49 years:1,686
50 to 54 years:1,736
55 to 59 years:1,520
60 and 61 years:537
62 to 64 years:736
65 and 66 years:378
67 to 69 years:493
70 to 74 years:596
75 to 79 years:442
80 to 84 years:276
85 years and over:275
Female Population:21,974
Under 5 years:1,155
5 to 9 years:1,203
10 to 14 years:1,329
15 to 17 years:854
18 and 19 years:471
20 years:216
21 years:200
22 to 24 years:674
25 to 29 years:1,122
30 to 34 years:1,221
35 to 39 years:1,441
40 to 44 years:1,665
45 to 49 years:1,925
50 to 54 years:1,834
55 to 59 years:1,706
60 and 61 years:679
62 to 64 years:799
65 and 66 years:457
67 to 69 years:631
70 to 74 years:789
75 to 79 years:573
80 to 84 years:461
85 years and over:569

Demographic average population of home by age

Average household size in Altadena

 
Total:2
Under 18 years:0
18 years and over:2

Demographic household type

Number of occupied homes in Altadena

 
Total:15,212
Family led homes:10,708
Husband-wife family:7,684
Other family:3,024
Population of male led with no wife present:814
Population female led with no husband present:2,210
Population of Nonfamily homes:4,504
Population living alone:3,489
Population not living alone:1,015

Demographic population of homes with people under 18 years old by type

Total occupied homes in Altadena with people under 18 years old:

 
Total:15,212
Population of homes with one or more people under 18 years:5,170
Population of family homes:5,120
Husband-wife family:3,573
Under 6 years only:854
Under 6 years and 6 to 17 years:760
6 to 17 years only:1,959
Other family:1,547
Male householder, no wife present:404
Under 6 years only:75
Under 6 years and 6 to 17 years:61
6 to 17 years only:268
Female led with no husband present:1,143
Under 6 years only:200
Under 6 years and 6 to 17 years:194
6 to 17 years only:749
Nonfamily households:50
Male led households:35
Under 6 years only:10
Under 6 years and 6 to 17 years:5
6 to 17 years only:20
Female led householder:15
Under 6 years only:2
Under 6 years and 6 to 17 years:4
6 to 17 years only:9
Households with no people under 18 years:10,042
Family households:5,588
Husband-wife family:4,111
Other family:1,477
Male led with no wife present:410
Female led with no husband present:1,067
Nonfamily households:4,454
Male led householder:1,844
Female led householder:2,610

Demographic type of home by age of owner-renter

Total number led homes in Altadena, by type

 
Total Home Population:15,212
Population of Family homes:10,708
Population of 15 to 24 year olds:123
Population of 25 to 34 year olds:871
Population of 35 to 44 year olds:2,274
Population of 45 to 54 year olds:2,798
Population of 55 to 59 year olds:1,266
Population of 60 to 64 year olds:1,098
Population of 65 to 74 year olds:1,312
Population of 75 to 84 year olds:703
Population of 85 year olds and over:263
Population of Nonfamily Homes:4,504
Population of 15 to 24 year olds:101
Population of 25 to 34 year olds:372
Population of 35 to 44 year olds:504
Population of 45 to 54 year olds:978
Population of 55 to 59 year olds:543
Population of 60 to 64 year olds:510
Population of 65 to 74 year olds:728
Population of 75 to 84 year olds:452
Population of 85 year olds and over:316

Demographic population of homes with people 60 year olds and over

households in Altadena containing people over 60

 
Total Population:15,212
Population of homes with one or more people 60 years and over:6,263
1-person household:1,728
2-or-more-person household:4,535
Family households:4,197
Nonfamily households:338
Population of homes with no people 60 years and over:8,949
1-person household:1,761
2-or-more-person household:7,188
Family homes:6,511
Nonfamily homes:677

Demographic population of multigenerational homes

homes in Altadena with multiple generations.

 
Total Population:15,212
Home has three or more generations:1,028
Home does not have three or more generations:14,184

Demographic presence of unmarried partner of home owner-renter

Unmarried population in Altadena under 18 years old in homes

 
Total Population:9,361
Unmarried partner of home lead present:587
In family homes:572
Population of male led and male partner homes:28
Population of male led and female partner households:228
Population of female led and female partner households:72
Population of female led and male partner households:244
In nonfamily homes:15
Population of male led and male partner homes:0
Population of male led and female partner homes:12
Population of female led and female partner homes:0
Population of female led and male partner homes:3
No unmarried partner of home lead present:8,774
In family homes:8,715
Population of husband-wife family homes:6,669
Population of male lead with no wife present, family homes:429
Population of female lead with no husband present, family homes:1,617
In nonfamily homes:59

Demographic population in families by age

Population in families living in Altadena

 
Total Population:34,936
Population Under 18 years:9,140
Population 18 years and over:25,796

Demographic tenure of people in homes

How long in Altadena have lived in one place.

 
Total:15,212
Population of Owner occupied homes:10,889
Family home:8,015
Nonfamily homess:2,874
Male led home:1,134
Living alone:806
Not living alone:328
Female led home:1,740
Living alone:1,428
Not living alone:312
Population of Renter occupied homes:4,323
Family run homes:2,693
Husband-wife family:1,537
Other family:1,156
Male led with no wife present:328
Female led with no husband present:828
Nonfamily Homes:1,630
Male led homes:745
Male living alone:532
Male not living alone:213
Female led homes:885
Females living alone:723
Females not living alone:162