2025 Compare Cities People:
Altadena, CA vs Campbell, CA

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Highlights
- Campbell is 0% more densely populated than Altadena.
- People are 10.9% more likely to be married in Campbell.
- The Median Age is 4.8 years younger in Campbell.
 Altadena, CACampbell, CAUnited States
 Population  Unlock43,954329,725,481
 Female Population53.0%  Unlock50.5%
 Male Population47.0%  Unlock49.5%
 Median Age  Unlock39.138.4
 space3
 Population - 201045,446  Unlock309,327,143
 Population - 2000  Unlock38,138285,036,114
 Population - 199042,658  Unlock251,960,433
 Pop. 2000 to Now  Unlock11.3%15.6%
 Pop. 1990 to Now4.6%  Unlock30.8%
 space4
 Population Density  Unlock7,226.993.4
 Land Area8.5  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Altadena, CACampbell, CAUnited States
 Age 0 to 45.4%  Unlock5.9%
 Age 5 to 9  Unlock6.5%6.1%
 Age 10 to 145.8%  Unlock6.6%
 Age 15 to 17  Unlock3.2%3.9%
 Age 18 to 202.6%  Unlock4.0%
 Age 21 to 24  Unlock2.8%5.2%
 Age 25 to 3411.8%  Unlock13.8%
 Age 35 to 44  Unlock16.4%12.9%
 Age 45 to 5414.7%  Unlock12.6%
 Age 55 to 59  Unlock8.1%6.7%
 Age 60 to 646.8%  Unlock6.3%
 Age 65 to 74  Unlock8.0%9.6%
 Age 75 to 846.1%  Unlock4.5%
 Age 85 and over  Unlock2.7%1.9%
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 Race
 Altadena, CACampbell, CAUnited States
 White39.5%  Unlock59.4%
 Black  Unlock2.2%12.2%
 Asian5.3%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.6%0.4%
 Two or More Races5.6%  Unlock3.2%
 Hispanic  Unlock18.4%18.4%
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 Marriage & Family
 Altadena, CACampbell, CAUnited States
 Married Population49.8%  Unlock49.8%
     Currently Married  Unlock54.2%48.0%
 Married but Separated1.8%  Unlock1.8%
 Single Population  Unlock44.7%50.2%
 Never Married32.2%  Unlock33.8%
 Divorced  Unlock9.1%10.8%
 Widowed6.6%  Unlock5.6%
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 Household Size  Unlock2.522.60
 Households14,789  Unlock124,010,992
 Family Households  Unlock11,12880,755,759
     Married couple, w/children28.9%  Unlock30.5%
     Married couple, no children  Unlock42.2%42.9%
 Non Family Households4,036  Unlock43,255,233
     Single householder, w/children  Unlock13.1%15.8%
     Single householder, no children14.7%  Unlock10.8%
Reviews for Altadena    1 Reviews

I live just above the 1500 foot elevation at the edge of the San Gabriel Mountains in the L.A. suburb of Altadena--just above Pasadena. We're above the low morning fog  More

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Reviews for Campbell    3 Reviews

Great weather....lots of places to eat and things to see and do...a bedroom community next to San Jose, CA. Wonderful community involvement!!! Great place to raise  More

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Over 19 years ago

The marine air comes over the hills to cool this area even on the hottest  More

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There are some very nice neighborhoods in Campbell. ...although it is becoming a city. Housing prices are absurd. Crime is increasing, and the schools aren't great.   More

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