2026 Compare Cities People:
San Diego, CA vs Alameda, CA

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Highlights
- Alameda is 0% more densely populated than San Diego.
- People are 14.0% more likely to be married in Alameda.
- The Median Age is 5.2 years older in Alameda.
 San Diego, CAAlameda, CAUnited States
 Population  Unlock78,320329,725,481
 Female Population49.0%  Unlock50.5%
 Male Population51.0%  Unlock49.5%
 Median Age  Unlock40.638.4
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 Population - 20101,305,632  Unlock309,327,143
 Population - 2000  Unlock72,259285,036,114
 Population - 19901,110,549  Unlock251,960,433
 Pop. 2000 to Now  Unlock9.1%15.6%
 Pop. 1990 to Now28.1%  Unlock30.8%
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 Population Density  Unlock7,500.593.4
 Land Area325.6  Unlock3,531,905.4
 Water Area  Unlock12.7264,836.8
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 Est. Total Population By Age
 San Diego, CAAlameda, CAUnited States
 Age 0 to 45.6%  Unlock5.9%
 Age 5 to 9  Unlock6.2%6.1%
 Age 10 to 145.5%  Unlock6.6%
 Age 15 to 17  Unlock3.2%3.9%
 Age 18 to 204.4%  Unlock4.0%
 Age 21 to 24  Unlock3.3%5.2%
 Age 25 to 3419.0%  Unlock13.8%
 Age 35 to 44  Unlock15.8%12.9%
 Age 45 to 5412.2%  Unlock12.6%
 Age 55 to 59  Unlock5.3%6.7%
 Age 60 to 645.2%  Unlock6.3%
 Age 65 to 74  Unlock10.9%9.6%
 Age 75 to 843.7%  Unlock4.5%
 Age 85 and over  Unlock2.3%1.9%
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 Race
 San Diego, CAAlameda, CAUnited States
 White42.0%  Unlock59.4%
 Black  Unlock6.0%12.2%
 Asian16.9%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander0.4%  Unlock0.2%
 Other  Unlock1.1%0.4%
 Two or More Races4.3%  Unlock3.2%
 Hispanic  Unlock12.4%18.4%
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 Marriage & Family
 San Diego, CAAlameda, CAUnited States
 Married Population46.4%  Unlock49.8%
     Currently Married  Unlock51.6%48.0%
 Married but Separated1.6%  Unlock1.8%
 Single Population  Unlock47.1%50.2%
 Never Married40.1%  Unlock33.8%
 Divorced  Unlock9.1%10.8%
 Widowed4.0%  Unlock5.6%
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 Household Size  Unlock2.532.60
 Households509,347  Unlock124,010,992
 Family Households  Unlock19,00280,755,759
     Married couple, w/children33.2%  Unlock30.5%
     Married couple, no children  Unlock40.9%42.9%
 Non Family Households204,848  Unlock43,255,233
     Single householder, w/children  Unlock11.7%15.8%
     Single householder, no children11.6%  Unlock10.8%
Reviews for San Diego    319 Reviews

I have lived in San Diego for more than half my life (I am 30) and love it. It has something for everyone and more from arts, to sporting events, and all cuisine is  More

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The only real knock again San Diego is the cost of living, but it is paradise compared to most cities of similar size. Those who complain about the traffic here or say  More

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I have lived in San Diego since 1968 and I am now almost 62 years old. I love San Diego, I really do. But it has become so crowded and so expensive over the years. It  More

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Reviews for Alameda    6 Reviews

Over 8 years ago

Having been born here & 70 now I have watched firsthand, a small, quiet town ruined by excessive building, overcrowding and far too many restaurants for a city this  More

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Enjoy the immense benefit to having a close-knit community with main-street USA feel less than 10 miles from the resources of several urban and education  More

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Alameda, CA is a unique town here in the Bay Area. Perhaps because it is an island, or perhaps because for many decades it was a U.S. Army base, the city has never  More

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