2025 Compare Cities People:
Oak Grove, SC vs Barnwell, SC

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Highlights
- Barnwell is 0% more densely populated than Oak Grove.
- People are 35.6% less likely to be married in Barnwell.
- The Median Age is 5.5 years younger in Barnwell.
 Oak Grove, SCBarnwell, SCUnited States
 Population  Unlock4,526329,725,481
 Female Population51.7%  Unlock50.5%
 Male Population48.3%  Unlock49.5%
 Median Age  Unlock32.438.4
 space3
 Population - 201010,479  Unlock309,327,143
 Population - 2000  Unlock5,035285,036,114
 Population - 19906,989  Unlock251,960,433
 Pop. 2000 to Now  Unlock-15.4%15.6%
 Pop. 1990 to Now60.1%  Unlock30.8%
 space4
 Population Density  Unlock577.293.4
 Land Area6.4  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Oak Grove, SCBarnwell, SCUnited States
 Age 0 to 45.3%  Unlock5.9%
 Age 5 to 9  Unlock7.4%6.1%
 Age 10 to 144.7%  Unlock6.6%
 Age 15 to 17  Unlock2.5%3.9%
 Age 18 to 202.0%  Unlock4.0%
 Age 21 to 24  Unlock8.4%5.2%
 Age 25 to 3419.0%  Unlock13.8%
 Age 35 to 44  Unlock9.4%12.9%
 Age 45 to 5411.0%  Unlock12.6%
 Age 55 to 59  Unlock5.0%6.7%
 Age 60 to 647.0%  Unlock6.3%
 Age 65 to 74  Unlock8.0%9.6%
 Age 75 to 844.3%  Unlock4.5%
 Age 85 and over  Unlock2.3%1.9%
 space1
 Race
 Oak Grove, SCBarnwell, SCUnited States
 White69.7%  Unlock59.4%
 Black  Unlock57.6%12.2%
 Asian1.6%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races3.8%  Unlock3.2%
 Hispanic  Unlock0.4%18.4%
 space2
 Marriage & Family
 Oak Grove, SCBarnwell, SCUnited States
 Married Population45.9%  Unlock49.8%
     Currently Married  Unlock26.3%48.0%
 Married but Separated1.4%  Unlock1.8%
 Single Population  Unlock70.4%50.2%
 Never Married35.3%  Unlock33.8%
 Divorced  Unlock12.0%10.8%
 Widowed5.9%  Unlock5.6%
 space5
 Household Size  Unlock2.402.60
 Households5,024  Unlock124,010,992
 Family Households  Unlock96880,755,759
     Married couple, w/children22.6%  Unlock30.5%
     Married couple, no children  Unlock25.6%42.9%
 Non Family Households1,989  Unlock43,255,233
     Single householder, w/children  Unlock32.0%15.8%
     Single householder, no children12.2%  Unlock10.8%
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