2025 Compare Cities People:
South Pasadena, CA vs Altadena, CA

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Highlights
- Altadena is 0% more densely populated than South Pasadena.
- People are 8.2% less likely to be married in Altadena.
- The Median Age is 3.5 years older in Altadena.
 South Pasadena, CAAltadena, CAUnited States
 Population  Unlock43,384329,725,481
 Female Population49.9%  Unlock50.5%
 Male Population50.1%  Unlock49.5%
 Median Age  Unlock43.938.4
 space3
 Population - 201025,602  Unlock309,327,143
 Population - 2000  Unlock42,610285,036,114
 Population - 199023,936  Unlock251,960,433
 Pop. 2000 to Now  Unlock4.8%15.6%
 Pop. 1990 to Now4.4%  Unlock30.8%
 space4
 Population Density  Unlock5,124.593.4
 Land Area3.4  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 South Pasadena, CAAltadena, CAUnited States
 Age 0 to 45.3%  Unlock5.9%
 Age 5 to 9  Unlock5.5%6.1%
 Age 10 to 147.5%  Unlock6.6%
 Age 15 to 17  Unlock3.5%3.9%
 Age 18 to 201.9%  Unlock4.0%
 Age 21 to 24  Unlock3.4%5.2%
 Age 25 to 3412.8%  Unlock13.8%
 Age 35 to 44  Unlock13.0%12.9%
 Age 45 to 5416.8%  Unlock12.6%
 Age 55 to 59  Unlock8.2%6.7%
 Age 60 to 645.4%  Unlock6.3%
 Age 65 to 74  Unlock10.5%9.6%
 Age 75 to 843.6%  Unlock4.5%
 Age 85 and over  Unlock2.7%1.9%
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 Race
 South Pasadena, CAAltadena, CAUnited States
 White38.5%  Unlock59.4%
 Black  Unlock19.8%12.2%
 Asian32.6%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races5.0%  Unlock3.2%
 Hispanic  Unlock29.3%18.4%
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 Marriage & Family
 South Pasadena, CAAltadena, CAUnited States
 Married Population54.3%  Unlock49.8%
     Currently Married  Unlock48.0%48.0%
 Married but Separated0.5%  Unlock1.8%
 Single Population  Unlock50.2%50.2%
 Never Married34.8%  Unlock33.8%
 Divorced  Unlock11.3%10.8%
 Widowed3.1%  Unlock5.6%
 space5
 Household Size  Unlock2.892.60
 Households10,345  Unlock124,010,992
 Family Households  Unlock10,75380,755,759
     Married couple, w/children37.7%  Unlock30.5%
     Married couple, no children  Unlock42.0%42.9%
 Non Family Households3,473  Unlock43,255,233
     Single householder, w/children  Unlock14.4%15.8%
     Single householder, no children10.1%  Unlock10.8%
Reviews for South Pasadena    6 Reviews

i grew up in south pas, i’m currently 20. this is not a good place for individual expression. the old white people will stare you down no matter what it is that you’re  More

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I lived in South Pasadena from 2000-2009 and I really took it for granted until I moved. I relocated from the Midwest and I initially lived in Culver City for about  More

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Over 16 years ago

Because of the historic nature of the neigborhoods in South Pas, it appears in many films, TV and commercials. Halloween was filmed here, as well as dozens of movies.  More

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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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