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

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Highlights
- San Diego is 0% more densely populated than Vacaville.
- People are 8.8% less likely to be married in San Diego.
- The Median Age is 2.4 years younger in San Diego.
 Vacaville, CASan Diego, CAUnited States
 Population  Unlock1,385,398329,725,481
 Female Population47.9%  Unlock50.5%
 Male Population52.2%  Unlock49.5%
 Median Age  Unlock35.438.4
 space3
 Population - 201092,530  Unlock309,327,143
 Population - 2000  Unlock1,223,400285,036,114
 Population - 199071,479  Unlock251,960,433
 Pop. 2000 to Now  Unlock16.3%15.6%
 Pop. 1990 to Now41.8%  Unlock30.8%
 space4
 Population Density  Unlock4,255.093.4
 Land Area29.2  Unlock3,531,905.4
 Water Area  Unlock46.8264,836.8
 space
 Est. Total Population By Age
 Vacaville, CASan Diego, CAUnited States
 Age 0 to 45.9%  Unlock5.9%
 Age 5 to 9  Unlock5.4%6.1%
 Age 10 to 145.8%  Unlock6.6%
 Age 15 to 17  Unlock3.1%3.9%
 Age 18 to 203.2%  Unlock4.0%
 Age 21 to 24  Unlock6.3%5.2%
 Age 25 to 3415.6%  Unlock13.8%
 Age 35 to 44  Unlock14.3%12.9%
 Age 45 to 5412.7%  Unlock12.6%
 Age 55 to 59  Unlock5.7%6.7%
 Age 60 to 646.4%  Unlock6.3%
 Age 65 to 74  Unlock8.0%9.6%
 Age 75 to 844.0%  Unlock4.5%
 Age 85 and over  Unlock1.6%1.9%
 space1
 Race
 Vacaville, CASan Diego, CAUnited States
 White48.3%  Unlock59.4%
 Black  Unlock5.7%12.2%
 Asian8.8%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.7%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races6.6%  Unlock3.2%
 Hispanic  Unlock30.1%18.4%
 space2
 Marriage & Family
 Vacaville, CASan Diego, CAUnited States
 Married Population50.9%  Unlock49.8%
     Currently Married  Unlock44.8%48.0%
 Married but Separated2.1%  Unlock1.8%
 Single Population  Unlock53.6%50.2%
 Never Married33.3%  Unlock33.8%
 Divorced  Unlock9.5%10.8%
 Widowed4.9%  Unlock5.6%
 space5
 Household Size  Unlock2.642.60
 Households33,457  Unlock124,010,992
 Family Households  Unlock304,49980,755,759
     Married couple, w/children31.7%  Unlock30.5%
     Married couple, no children  Unlock41.9%42.9%
 Non Family Households9,034  Unlock43,255,233
     Single householder, w/children  Unlock13.4%15.8%
     Single householder, no children10.9%  Unlock10.8%
Voting
Reviews for Vacaville    10 Reviews
Layla · Vacaville, CA
Depends on your perspective.
Over 7 years ago

I am a former Bay Area resident who moved to Vacaville to escape the ridiculous cost of living in the Bay. Now, if you are coming from the Bay, this place can seem more  More

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Daniela · Vacaville, CA
Boring and hot
Over 7 years ago

It’s not a bad or dangerous place to live but I believe it doesn’t deserve the 5 stars most people are giving it. I have no idea where these people lived before moving  More

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Jean · Vacaville, CA
It's not a cultural or intellectual hub
Over 16 years ago

If you enjoy a sophisticated urban environment, if you're single, if you're highly educated and appreciate access to continuing higher education at the post-graduate  More

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Reviews for San Diego    319 Reviews
riley · Escondido, CA
Can you afford to live here?
Over 2 years ago

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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Mark · San Diego, CA
America's finest city? If not, pretty darn close.
Over 4 years ago

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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Peter · San Diego, CA
Beautiful Place, Too Crowded and Expensive.
Over 4 years ago

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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Learn More About Vacaville, California
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