2025 Compare Cities People:
Union, SC vs Fort Mill, SC

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Highlights
- Fort Mill is 0% more densely populated than Union.
- People are 47.7% more likely to be married in Fort Mill.
- The Median Age is 9.7 years younger in Fort Mill.
 Union, SCFort Mill, SCUnited States
 Population  Unlock24,069329,725,481
 Female Population54.7%  Unlock50.5%
 Male Population45.3%  Unlock49.5%
 Median Age  Unlock36.438.4
 space3
 Population - 20108,352  Unlock309,327,143
 Population - 2000  Unlock7,587285,036,114
 Population - 19909,836  Unlock251,960,433
 Pop. 2000 to Now  Unlock228.6%15.6%
 Pop. 1990 to Now-23.4%  Unlock30.8%
 space4
 Population Density  Unlock1,236.493.4
 Land Area8.0  Unlock3,531,905.4
 Water Area  Unlock0.3264,836.8
 space
 Est. Total Population By Age
 Union, SCFort Mill, SCUnited States
 Age 0 to 45.8%  Unlock5.9%
 Age 5 to 9  Unlock9.1%6.1%
 Age 10 to 144.2%  Unlock6.6%
 Age 15 to 17  Unlock6.3%3.9%
 Age 18 to 204.1%  Unlock4.0%
 Age 21 to 24  Unlock2.6%5.2%
 Age 25 to 3411.0%  Unlock13.8%
 Age 35 to 44  Unlock18.1%12.9%
 Age 45 to 5415.4%  Unlock12.6%
 Age 55 to 59  Unlock4.3%6.7%
 Age 60 to 648.0%  Unlock6.3%
 Age 65 to 74  Unlock6.6%9.6%
 Age 75 to 845.1%  Unlock4.5%
 Age 85 and over  Unlock0.5%1.9%
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 Race
 Union, SCFort Mill, SCUnited States
 White49.1%  Unlock59.4%
 Black  Unlock11.3%12.2%
 Asian0.0%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races1.9%  Unlock3.2%
 Hispanic  Unlock5.2%18.4%
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 Marriage & Family
 Union, SCFort Mill, SCUnited States
 Married Population40.3%  Unlock49.8%
     Currently Married  Unlock58.5%48.0%
 Married but Separated3.2%  Unlock1.8%
 Single Population  Unlock40.4%50.2%
 Never Married36.2%  Unlock33.8%
 Divorced  Unlock9.4%10.8%
 Widowed10.0%  Unlock5.6%
 space5
 Household Size  Unlock2.942.60
 Households3,716  Unlock124,010,992
 Family Households  Unlock6,66580,755,759
     Married couple, w/children18.3%  Unlock30.5%
     Married couple, no children  Unlock28.6%42.9%
 Non Family Households1,697  Unlock43,255,233
     Single householder, w/children  Unlock13.1%15.8%
     Single householder, no children16.0%  Unlock10.8%
Reviews for Union    1 Reviews

Over 14 years ago

Union SC is a great place to live, with a steady income a person can easily rent or purchace a home, most people, work outside the city limits, due to shortage of jobs.  More

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Reviews for Fort Mill    12 Reviews

I am from England and I visited Fort Mill to stay with family friends in 1981 and 1986. Although that was a long time ago I enjoyed meeting wonderful friendly people and  More

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Hello. We're thinking of moving to Fort Mill from NJ this summer. My youngest will be a sophomore in high school so the quality of the school system is paramount, as is  More

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Over 5 years ago

I've lived here two years and don't feel the school live up to the reviews. It is very crowded here and traffic is rough. The building never stops. The mayor is a  More

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