2025 Compare Cities People:
Humboldt Hill, CA vs Altadena, CA

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Highlights
- Altadena is 0% more densely populated than Humboldt Hill.
- People are 25.0% more likely to be married in Altadena.
- The Median Age is 4.8 years older in Altadena.
 Humboldt Hill, CAAltadena, CAUnited States
 Population  Unlock43,384329,725,481
 Female Population46.9%  Unlock50.5%
 Male Population53.1%  Unlock49.5%
 Median Age  Unlock43.938.4
 space3
 Population - 20103,769  Unlock309,327,143
 Population - 2000  Unlock42,610285,036,114
 Population - 19902,865  Unlock251,960,433
 Pop. 2000 to Now  Unlock4.8%15.6%
 Pop. 1990 to Now47.0%  Unlock30.8%
 space4
 Population Density  Unlock5,124.593.4
 Land Area4.2  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Humboldt Hill, CAAltadena, CAUnited States
 Age 0 to 45.4%  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 205.8%  Unlock4.0%
 Age 21 to 24  Unlock3.4%5.2%
 Age 25 to 348.2%  Unlock13.8%
 Age 35 to 44  Unlock13.0%12.9%
 Age 45 to 547.7%  Unlock12.6%
 Age 55 to 59  Unlock8.2%6.7%
 Age 60 to 647.1%  Unlock6.3%
 Age 65 to 74  Unlock10.5%9.6%
 Age 75 to 847.1%  Unlock4.5%
 Age 85 and over  Unlock2.7%1.9%
 space1
 Race
 Humboldt Hill, CAAltadena, CAUnited States
 White76.6%  Unlock59.4%
 Black  Unlock19.8%12.2%
 Asian3.4%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races8.7%  Unlock3.2%
 Hispanic  Unlock29.3%18.4%
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 Marriage & Family
 Humboldt Hill, CAAltadena, CAUnited States
 Married Population39.9%  Unlock49.8%
     Currently Married  Unlock48.0%48.0%
 Married but Separated2.0%  Unlock1.8%
 Single Population  Unlock50.2%50.2%
 Never Married41.7%  Unlock33.8%
 Divorced  Unlock11.3%10.8%
 Widowed7.4%  Unlock5.6%
 space5
 Household Size  Unlock2.892.60
 Households1,332  Unlock124,010,992
 Family Households  Unlock10,75380,755,759
     Married couple, w/children20.0%  Unlock30.5%
     Married couple, no children  Unlock42.0%42.9%
 Non Family Households587  Unlock43,255,233
     Single householder, w/children  Unlock14.4%15.8%
     Single householder, no children15.0%  Unlock10.8%
Reviews for Humboldt Hill    0 Reviews

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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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