2025 Compare Cities People:
Fairfield, CA vs Union City, CA

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Highlights
- Union City is 0% more densely populated than Fairfield.
- People are 11.2% more likely to be married in Union City.
- The Median Age is 5.6 years older in Union City.
 Fairfield, CAUnion City, CAUnited States
 Population  Unlock70,828329,725,481
 Female Population50.1%  Unlock50.5%
 Male Population49.9%  Unlock49.5%
 Median Age  Unlock40.838.4
 space3
 Population - 2010105,652  Unlock309,327,143
 Population - 2000  Unlock66,869285,036,114
 Population - 199077,211  Unlock251,960,433
 Pop. 2000 to Now  Unlock11.4%15.6%
 Pop. 1990 to Now52.3%  Unlock30.8%
 space4
 Population Density  Unlock3,650.993.4
 Land Area41.0  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Fairfield, CAUnion City, CAUnited States
 Age 0 to 47.4%  Unlock5.9%
 Age 5 to 9  Unlock5.0%6.1%
 Age 10 to 147.6%  Unlock6.6%
 Age 15 to 17  Unlock3.0%3.9%
 Age 18 to 203.6%  Unlock4.0%
 Age 21 to 24  Unlock4.9%5.2%
 Age 25 to 3415.5%  Unlock13.8%
 Age 35 to 44  Unlock14.8%12.9%
 Age 45 to 5412.3%  Unlock12.6%
 Age 55 to 59  Unlock7.0%6.7%
 Age 60 to 645.5%  Unlock6.3%
 Age 65 to 74  Unlock9.9%9.6%
 Age 75 to 843.7%  Unlock4.5%
 Age 85 and over  Unlock2.2%1.9%
 space1
 Race
 Fairfield, CAUnion City, CAUnited States
 White29.0%  Unlock59.4%
 Black  Unlock4.7%12.2%
 Asian17.4%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander1.2%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races6.7%  Unlock3.2%
 Hispanic  Unlock20.3%18.4%
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 Marriage & Family
 Fairfield, CAUnion City, CAUnited States
 Married Population51.5%  Unlock49.8%
     Currently Married  Unlock56.1%48.0%
 Married but Separated2.3%  Unlock1.8%
 Single Population  Unlock42.8%50.2%
 Never Married35.1%  Unlock33.8%
 Divorced  Unlock6.4%10.8%
 Widowed4.9%  Unlock5.6%
 space5
 Household Size  Unlock3.372.60
 Households37,176  Unlock124,010,992
 Family Households  Unlock16,97980,755,759
     Married couple, w/children34.1%  Unlock30.5%
     Married couple, no children  Unlock46.1%42.9%
 Non Family Households9,139  Unlock43,255,233
     Single householder, w/children  Unlock7.9%15.8%
     Single householder, no children11.0%  Unlock10.8%
Reviews for Fairfield    10 Reviews

Over 5 years ago

I've lived here for 4 years. On the up side, housing is affordable. The downside, there is nothing to do here. The city lacks community events and an a nice downtown. We  More

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Over 10 years ago

I am finding out the cost of living here in Fairfield is way too high for my retirement. I am looking for a place where the cost of living is in line with my retirement  More

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Over 14 years ago

good  More

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Reviews for Union City    1 Reviews

Over 19 years ago

Hi, I am looking for a small, friendly town with low crime and friendly people, outdoor activites, mellow, etc. (in the bay area). I am currently hoping to move to  More

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