2025 Compare Cities People:
Columbia, SC vs Quincy, IL

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Highlights
- Quincy is 0% more densely populated than Columbia.
- People are 50.8% more likely to be married in Quincy.
- The Median Age is 11.8 years older in Quincy.
 Columbia, SCQuincy, ILUnited States
 Population  Unlock39,687329,725,481
 Female Population50.0%  Unlock50.5%
 Male Population50.0%  Unlock49.5%
 Median Age  Unlock4038.4
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 Population - 2010130,909  Unlock309,327,143
 Population - 2000  Unlock40,366285,036,114
 Population - 199098,052  Unlock251,960,433
 Pop. 2000 to Now  Unlock-1.9%15.6%
 Pop. 1990 to Now34.8%  Unlock30.8%
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 Population Density  Unlock2,525.993.4
 Land Area136.0  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 Columbia, SCQuincy, ILUnited States
 Age 0 to 45.3%  Unlock5.9%
 Age 5 to 9  Unlock6.4%6.1%
 Age 10 to 144.8%  Unlock6.6%
 Age 15 to 17  Unlock2.8%3.9%
 Age 18 to 2014.6%  Unlock4.0%
 Age 21 to 24  Unlock5.4%5.2%
 Age 25 to 3417.0%  Unlock13.8%
 Age 35 to 44  Unlock11.8%12.9%
 Age 45 to 5410.0%  Unlock12.6%
 Age 55 to 59  Unlock6.5%6.7%
 Age 60 to 644.1%  Unlock6.3%
 Age 65 to 74  Unlock10.8%9.6%
 Age 75 to 842.9%  Unlock4.5%
 Age 85 and over  Unlock3.7%1.9%
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 Race
 Columbia, SCQuincy, ILUnited States
 White48.0%  Unlock59.4%
 Black  Unlock6.1%12.2%
 Asian2.6%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races2.8%  Unlock3.2%
 Hispanic  Unlock1.9%18.4%
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 Marriage & Family
 Columbia, SCQuincy, ILUnited States
 Married Population31.9%  Unlock49.8%
     Currently Married  Unlock46.4%48.0%
 Married but Separated2.3%  Unlock1.8%
 Single Population  Unlock51.9%50.2%
 Never Married55.7%  Unlock33.8%
 Divorced  Unlock13.9%10.8%
 Widowed4.0%  Unlock5.6%
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 Household Size  Unlock2.272.60
 Households50,372  Unlock124,010,992
 Family Households  Unlock9,56580,755,759
     Married couple, w/children25.6%  Unlock30.5%
     Married couple, no children  Unlock46.1%42.9%
 Non Family Households26,096  Unlock43,255,233
     Single householder, w/children  Unlock18.5%15.8%
     Single householder, no children11.8%  Unlock10.8%
Reviews for Columbia    50 Reviews

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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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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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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Reviews for Quincy    21 Reviews

Over 9 years ago

I have live in quincy il since 2003 till now and it really is a nice place to raise your family no matter where you go, you going to have crime. but other than that it's  More

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I lived in Quincy for 15 years. I owned a house and participated in the local economy. My kids went to school there. The kids have fond memories of Quincy. I do not.  More

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Over 12 years ago

I haven't always lived in Quincy. I'm originally from the St. Louis area, but have moved around many times, and have also done a lot of traveling. My husband & I  More

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