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2025 Compare Cities People:
Del Mar, CA vs Altadena, CA

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Highlights
- Altadena is 0% more densely populated than Del Mar.
- People are 24.4% less likely to be married in Altadena.
- The Median Age is 6.6 years younger in Altadena.
 Del Mar, CAAltadena, CAUnited States
 Population  Unlock43,384329,725,481
 Female Population52.4%  Unlock50.5%
 Male Population47.6%  Unlock49.5%
 Median Age  Unlock43.938.4
 space3
 Population - 20104,172  Unlock309,327,143
 Population - 2000  Unlock42,610285,036,114
 Population - 19904,860  Unlock251,960,433
 Pop. 2000 to Now  Unlock4.8%15.6%
 Pop. 1990 to Now-11.4%  Unlock30.8%
 space4
 Population Density  Unlock5,124.593.4
 Land Area1.7  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Del Mar, CAAltadena, CAUnited States
 Age 0 to 42.6%  Unlock5.9%
 Age 5 to 9  Unlock5.5%6.1%
 Age 10 to 146.0%  Unlock6.6%
 Age 15 to 17  Unlock3.5%3.9%
 Age 18 to 200.5%  Unlock4.0%
 Age 21 to 24  Unlock3.4%5.2%
 Age 25 to 3410.9%  Unlock13.8%
 Age 35 to 44  Unlock13.0%12.9%
 Age 45 to 5419.5%  Unlock12.6%
 Age 55 to 59  Unlock8.2%6.7%
 Age 60 to 643.5%  Unlock6.3%
 Age 65 to 74  Unlock10.5%9.6%
 Age 75 to 848.9%  Unlock4.5%
 Age 85 and over  Unlock2.7%1.9%
 space1
 Race
 Del Mar, CAAltadena, CAUnited States
 White83.2%  Unlock59.4%
 Black  Unlock19.8%12.2%
 Asian0.3%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races4.0%  Unlock3.2%
 Hispanic  Unlock29.3%18.4%
 space2
 Marriage & Family
 Del Mar, CAAltadena, CAUnited States
 Married Population65.9%  Unlock49.8%
     Currently Married  Unlock48.0%48.0%
 Married but Separated1.6%  Unlock1.8%
 Single Population  Unlock50.2%50.2%
 Never Married21.2%  Unlock33.8%
 Divorced  Unlock11.3%10.8%
 Widowed1.7%  Unlock5.6%
 space5
 Household Size  Unlock2.892.60
 Households1,818  Unlock124,010,992
 Family Households  Unlock10,75380,755,759
     Married couple, w/children20.3%  Unlock30.5%
     Married couple, no children  Unlock42.0%42.9%
 Non Family Households604  Unlock43,255,233
     Single householder, w/children  Unlock14.4%15.8%
     Single householder, no children1.8%  Unlock10.8%
Voting
Reviews for Del Mar    2 Reviews
Mark · Del Mar, CA
San Diego is expensive, but it doesn't have to be.
Over 10 years ago

I'm born, and raised in the Chicago area, and had most of my career while living in the Washington, DC area. San Diego does take some getting used to. Where you live  More

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Rick · Del Mar, CA
Perfect Weather
Over 15 years ago

Greatest weather in the  More

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Reviews for Altadena    1 Reviews
Les · Altadena, CA
Altadena: High and Dry in L.A.
Over 15 years ago

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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Learn More About Del Mar, California
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Learn More About Altadena, California
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