2025 Compare Cities People:
St. Marks, FL vs Greenville, FL

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Highlights
- Greenville is 0% more densely populated than St. Marks.
- People are 78.2% less likely to be married in Greenville.
- The Median Age is 33.1 years younger in Greenville.
 St. Marks, FLGreenville, FLUnited States
 Population  Unlock1,206329,725,481
 Female Population52.4%  Unlock50.5%
 Male Population47.7%  Unlock49.5%
 Median Age  Unlock30.338.4
 space3
 Population - 2010293  Unlock309,327,143
 Population - 2000  Unlock837285,036,114
 Population - 1990307  Unlock251,960,433
 Pop. 2000 to Now  Unlock-0.7%15.6%
 Pop. 1990 to Now8.5%  Unlock30.8%
 space4
 Population Density  Unlock915.793.4
 Land Area2.0  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 St. Marks, FLGreenville, FLUnited States
 Age 0 to 41.7%  Unlock5.9%
 Age 5 to 9  Unlock3.9%6.1%
 Age 10 to 143.0%  Unlock6.6%
 Age 15 to 17  Unlock0.7%3.9%
 Age 18 to 202.3%  Unlock4.0%
 Age 21 to 24  Unlock4.6%5.2%
 Age 25 to 346.7%  Unlock13.8%
 Age 35 to 44  Unlock5.0%12.9%
 Age 45 to 5416.8%  Unlock12.6%
 Age 55 to 59  Unlock8.4%6.7%
 Age 60 to 646.7%  Unlock6.3%
 Age 65 to 74  Unlock7.0%9.6%
 Age 75 to 8422.5%  Unlock4.5%
 Age 85 and over  Unlock0.8%1.9%
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 Race
 St. Marks, FLGreenville, FLUnited States
 White96.0%  Unlock59.4%
 Black  Unlock88.6%12.2%
 Asian0.0%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock5.0%0.4%
 Two or More Races4.0%  Unlock3.2%
 Hispanic  Unlock0.0%18.4%
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 Marriage & Family
 St. Marks, FLGreenville, FLUnited States
 Married Population63.0%  Unlock49.8%
     Currently Married  Unlock13.2%48.0%
 Married but Separated1.8%  Unlock1.8%
 Single Population  Unlock86.2%50.2%
 Never Married6.3%  Unlock33.8%
 Divorced  Unlock8.0%10.8%
 Widowed7.7%  Unlock5.6%
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 Household Size  Unlock3.762.60
 Households152  Unlock124,010,992
 Family Households  Unlock19280,755,759
     Married couple, w/children4.3%  Unlock30.5%
     Married couple, no children  Unlock17.2%42.9%
 Non Family Households35  Unlock43,255,233
     Single householder, w/children  Unlock61.5%15.8%
     Single householder, no children10.3%  Unlock10.8%
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