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2025 Compare Cities People:
Union, SC vs Columbia, SC

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Highlights
- Columbia is 0% more densely populated than Union.
- People are 20.9% less likely to be married in Columbia.
- The Median Age is 17.9 years younger in Columbia.
 Union, SCColumbia, SCUnited States
 Population  Unlock137,276329,725,481
 Female Population54.7%  Unlock50.5%
 Male Population45.3%  Unlock49.5%
 Median Age  Unlock28.238.4
 space3
 Population - 20108,352  Unlock309,327,143
 Population - 2000  Unlock116,278285,036,114
 Population - 19909,836  Unlock251,960,433
 Pop. 2000 to Now  Unlock13.6%15.6%
 Pop. 1990 to Now-23.4%  Unlock30.8%
 space4
 Population Density  Unlock1,009.493.4
 Land Area8.0  Unlock3,531,905.4
 Water Area  Unlock2.8264,836.8
 space
 Est. Total Population By Age
 Union, SCColumbia, SCUnited States
 Age 0 to 45.8%  Unlock5.9%
 Age 5 to 9  Unlock4.1%6.1%
 Age 10 to 144.2%  Unlock6.6%
 Age 15 to 17  Unlock3.2%3.9%
 Age 18 to 204.1%  Unlock4.0%
 Age 21 to 24  Unlock11.9%5.2%
 Age 25 to 3411.0%  Unlock13.8%
 Age 35 to 44  Unlock10.3%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  Unlock6.4%9.6%
 Age 75 to 845.1%  Unlock4.5%
 Age 85 and over  Unlock1.0%1.9%
 space1
 Race
 Union, SCColumbia, SCUnited States
 White49.1%  Unlock59.4%
 Black  Unlock40.3%12.2%
 Asian0.0%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races1.9%  Unlock3.2%
 Hispanic  Unlock5.6%18.4%
 space2
 Marriage & Family
 Union, SCColumbia, SCUnited States
 Married Population40.3%  Unlock49.8%
     Currently Married  Unlock29.6%48.0%
 Married but Separated3.2%  Unlock1.8%
 Single Population  Unlock68.1%50.2%
 Never Married36.2%  Unlock33.8%
 Divorced  Unlock8.4%10.8%
 Widowed10.0%  Unlock5.6%
 space5
 Household Size  Unlock2.192.60
 Households3,716  Unlock124,010,992
 Family Households  Unlock24,27680,755,759
     Married couple, w/children18.3%  Unlock30.5%
     Married couple, no children  Unlock37.4%42.9%
 Non Family Households1,697  Unlock43,255,233
     Single householder, w/children  Unlock25.2%15.8%
     Single householder, no children16.0%  Unlock10.8%
Voting
Reviews for Union    1 Reviews
greta · Union, SC
You can make it
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 Columbia    50 Reviews
Jordan · Columbia, SC
Love Living in Columbia!
Over 2 years ago

I love living in Columbia! I recently graduated from USC and plan to stay. I read the reviews posted here and it shows that like many cities, your experience will depend  More

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Jordan · Columbia, SC
Almost ideal. Could see myself moving back
Over 2 years ago

Loved living in Columbia, SC prior to my job transfer. It's the perfect size - plenty to do, but still a laid back place. People are extremely friendly, there are  More

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Isabella · Wise, VA
Charming “hometown” city
Over 4 years ago

Columbia is such a unique and underrated place. It has a lot of character and history, and good nature trails. Everything feels accessible (by car) and you can get from  More

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Learn More About Union, South Carolina
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