2025 Compare Cities People:
Columbia, SC vs St. Marys, GA

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Highlights
- St. Marys is 0% more densely populated than Columbia.
- People are 71.4% more likely to be married in St. Marys.
- The Median Age is 6.8 years older in St. Marys.
 Columbia, SCSt. Marys, GAUnited States
 Population  Unlock18,200329,725,481
 Female Population50.0%  Unlock50.5%
 Male Population50.0%  Unlock49.5%
 Median Age  Unlock3538.4
 space3
 Population - 2010130,909  Unlock309,327,143
 Population - 2000  Unlock13,761285,036,114
 Population - 199098,052  Unlock251,960,433
 Pop. 2000 to Now  Unlock37.0%15.6%
 Pop. 1990 to Now34.8%  Unlock30.8%
 space4
 Population Density  Unlock797.593.4
 Land Area136.0  Unlock3,531,905.4
 Water Area  Unlock2.2264,836.8
 space
 Est. Total Population By Age
 Columbia, SCSt. Marys, GAUnited States
 Age 0 to 45.3%  Unlock5.9%
 Age 5 to 9  Unlock5.8%6.1%
 Age 10 to 144.8%  Unlock6.6%
 Age 15 to 17  Unlock5.0%3.9%
 Age 18 to 2014.6%  Unlock4.0%
 Age 21 to 24  Unlock5.0%5.2%
 Age 25 to 3417.0%  Unlock13.8%
 Age 35 to 44  Unlock12.4%12.9%
 Age 45 to 5410.0%  Unlock12.6%
 Age 55 to 59  Unlock5.7%6.7%
 Age 60 to 644.1%  Unlock6.3%
 Age 65 to 74  Unlock9.5%9.6%
 Age 75 to 842.9%  Unlock4.5%
 Age 85 and over  Unlock0.7%1.9%
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 Race
 Columbia, SCSt. Marys, GAUnited States
 White48.0%  Unlock59.4%
 Black  Unlock13.1%12.2%
 Asian2.6%  Unlock5.6%
 Native American  Unlock0.7%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races2.8%  Unlock3.2%
 Hispanic  Unlock6.7%18.4%
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 Marriage & Family
 Columbia, SCSt. Marys, GAUnited States
 Married Population31.9%  Unlock49.8%
     Currently Married  Unlock50.9%48.0%
 Married but Separated2.3%  Unlock1.8%
 Single Population  Unlock45.3%50.2%
 Never Married55.7%  Unlock33.8%
 Divorced  Unlock12.8%10.8%
 Widowed4.0%  Unlock5.6%
 space5
 Household Size  Unlock2.582.60
 Households50,372  Unlock124,010,992
 Family Households  Unlock4,89080,755,759
     Married couple, w/children25.6%  Unlock30.5%
     Married couple, no children  Unlock39.7%42.9%
 Non Family Households26,096  Unlock43,255,233
     Single householder, w/children  Unlock20.7%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 St. Marys    12 Reviews

I'm not the type to sugarcoat reviews, I call it as I see it. So here goes. I will admit that St. Marys embraces that small town mentality. They do have regular  More

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You have to know what you want. Don't expect St Marys to be something it's not. If you want traffic and congestion, don't move here. It was a small town that  More

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This sweet little town is just what my family was looking for — a quiet place adjacent to the marshes, river and seashore. It’s affordable and safe, without the traffic  More

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