2025 Compare Cities People:
Portsmouth, NH vs St. Marys, GA

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Highlights
- St. Marys is 0% more densely populated than Portsmouth.
- People are 12.6% more likely to be married in St. Marys.
- The Median Age is 7.2 years younger in St. Marys.
 Portsmouth, NHSt. Marys, GAUnited States
 Population  Unlock18,200329,725,481
 Female Population52.5%  Unlock50.5%
 Male Population47.6%  Unlock49.5%
 Median Age  Unlock3538.4
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 Population - 201020,770  Unlock309,327,143
 Population - 2000  Unlock13,761285,036,114
 Population - 199025,925  Unlock251,960,433
 Pop. 2000 to Now  Unlock37.0%15.6%
 Pop. 1990 to Now-16.9%  Unlock30.8%
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 Population Density  Unlock797.593.4
 Land Area15.7  Unlock3,531,905.4
 Water Area  Unlock2.2264,836.8
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 Est. Total Population By Age
 Portsmouth, NHSt. Marys, GAUnited States
 Age 0 to 43.5%  Unlock5.9%
 Age 5 to 9  Unlock5.8%6.1%
 Age 10 to 143.9%  Unlock6.6%
 Age 15 to 17  Unlock5.0%3.9%
 Age 18 to 201.8%  Unlock4.0%
 Age 21 to 24  Unlock5.0%5.2%
 Age 25 to 3417.5%  Unlock13.8%
 Age 35 to 44  Unlock12.4%12.9%
 Age 45 to 5413.0%  Unlock12.6%
 Age 55 to 59  Unlock5.7%6.7%
 Age 60 to 647.3%  Unlock6.3%
 Age 65 to 74  Unlock9.5%9.6%
 Age 75 to 845.9%  Unlock4.5%
 Age 85 and over  Unlock0.7%1.9%
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 Race
 Portsmouth, NHSt. Marys, GAUnited States
 White87.3%  Unlock59.4%
 Black  Unlock13.1%12.2%
 Asian5.0%  Unlock5.6%
 Native American  Unlock0.7%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races2.9%  Unlock3.2%
 Hispanic  Unlock6.7%18.4%
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 Marriage & Family
 Portsmouth, NHSt. Marys, GAUnited States
 Married Population48.6%  Unlock49.8%
     Currently Married  Unlock50.9%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock45.3%50.2%
 Never Married33.7%  Unlock33.8%
 Divorced  Unlock12.8%10.8%
 Widowed5.4%  Unlock5.6%
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 Household Size  Unlock2.582.60
 Households10,462  Unlock124,010,992
 Family Households  Unlock4,89080,755,759
     Married couple, w/children23.9%  Unlock30.5%
     Married couple, no children  Unlock39.7%42.9%
 Non Family Households5,114  Unlock43,255,233
     Single householder, w/children  Unlock20.7%15.8%
     Single householder, no children9.6%  Unlock10.8%
Reviews for Portsmouth    7 Reviews

Over 15 years ago

I was up in Portsmouth a couple years ago visiting from Florida. I loved how I was able to prk the car, get out and have numerous bars/restaurants, clothing stores, etc  More

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Over 16 years ago

Portsmouth is full of history, art, interesting shops, restaurants and the best  More

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Over 18 years ago

Portsmouth is a beautiful historic town settled right on the seacoast. Excellent restaurants, great cafes and shops, and picturesque streets make this a wonderful city  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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