| Population | 4,367 |
| Nationwide Rank | 5121 |
Barnwell, South Carolina is the 5,121st largest city in the United States as of 2018.
Barnwell, South Carolina is a city.
Barnwell, South Carolina is currently 21.2% smaller than it was in 1990, the year of its peak recorded population.
Barnwell, South Carolina's growth is extremely below average. 93% of similarly sized cities are growing faster since 2000.
| US Rank | Name | Population | Growth 2000-2018 |
|---|---|---|---|
| 5111 | Hamburg, Pennsylvania | 4,381 | 6.6% |
| 5112 | Coleman, Texas | 4,379 | -14.0% |
| 5113 | Carolina Shores, North Carolina | 4,378 | 132.7% |
| 5114 | Coopersville, Michigan | 4,377 | 11.5% |
| 5115 | Ligonier, Indiana | 4,374 | 0.7% |
| 5116 | Greendale, Indiana | 4,373 | 1.9% |
| 5117 | Mary Esther, Florida | 4,370 | 7.5% |
| 5118 | Mauston, Wisconsin | 4,370 | 16.0% |
| 5119 | Jacksboro, Texas | 4,368 | -3.7% |
| 5120 | American Falls, Idaho | 4,367 | 6.4% |
| 5121 | Barnwell, South Carolina | 4,367 | -12.0% |
| 5122 | Walhalla, South Carolina | 4,367 | 14.6% |
| 5123 | Cobleskill, New York | 4,365 | -3.7% |
| 5124 | Garwood, New Jersey | 4,365 | 5.0% |
| 5125 | South Hill, Virginia | 4,365 | -4.0% |
| 5126 | Sparta, Michigan | 4,362 | 4.6% |
| 5127 | Winnfield, Louisiana | 4,362 | -23.5% |
| 5128 | Cortland, Illinois | 4,361 | 104.3% |
| 5129 | St. Bernard, Ohio | 4,360 | -11.0% |
| 5130 | Bayside, Wisconsin | 4,354 | -3.5% |
| 5131 | Camanche, Iowa | 4,353 | 3.3% |
| US Rank | Name | Population | Growth 2000-2018 |
|---|---|---|---|
| 3426 | Seneca | 8,479 | 9.9% |
| 3440 | Clinton | 8,426 | -7.7% |
| 3516 | York | 8,235 | 17.6% |
| 3647 | Bennettsville | 7,868 | -17.3% |
| 3680 | Union | 7,764 | -11.7% |
| 3745 | Hartsville | 7,549 | -0.2% |
| 3856 | Camden | 7,196 | 7.5% |
| 4073 | Lake City | 6,557 | 1.2% |
| 4088 | Hardeeville | 6,515 | 207.8% |
| 4119 | Marion | 6,427 | -8.7% |
| 4128 | Clover | 6,397 | 58.4% |
| 4142 | Dillon | 6,367 | -2.1% |
| 4293 | Darlington | 5,928 | -12.7% |
| 4429 | Cheraw | 5,619 | 0.7% |
| 4503 | Walterboro | 5,468 | 1.9% |
| 4536 | Chester | 5,393 | -16.5% |
| 4539 | Batesburg-Leesville | 5,385 | -2.7% |
| 4549 | Central | 5,359 | 45.9% |
| 4600 | Travelers Rest | 5,253 | 29.0% |
| 4637 | Hollywood | 5,180 | 24.4% |
| 4708 | Abbeville | 5,043 | -14.1% |
| 4874 | Edgefield | 4,769 | 7.5% |
| 5051 | Surfside Beach | 4,468 | 0.6% |
| 5098 | Belton | 4,402 | -1.5% |
| 5121 | Barnwell | 4,367 | -12.0% |
| 5122 | Walhalla | 4,367 | 14.6% |
| 5141 | Isle of Palms | 4,340 | -5.1% |
| 5151 | Mullins | 4,329 | -13.7% |
| 5158 | Woodruff | 4,325 | 1.5% |
| 5232 | Williamston | 4,216 | 10.7% |
| 5433 | Manning | 3,941 | -1.8% |
| 5506 | Ridgeland | 3,831 | 46.3% |
| 5548 | Honea Path | 3,781 | 6.7% |
| 5550 | Blythewood | 3,778 | 340.3% |
| 5644 | Saluda | 3,632 | 17.8% |
| 5660 | Lyman | 3,615 | 28.4% |
| 5742 | Duncan | 3,525 | 18.5% |
| 5990 | Bamberg | 3,237 | -12.9% |
| 6002 | Pendleton | 3,228 | 8.0% |
| 6018 | Winnsboro | 3,204 | -16.0% |
| 6060 | Pickens | 3,164 | 4.0% |
| 6062 | Liberty | 3,163 | 5.0% |
| 6179 | Kingstree | 3,058 | -15.1% |
| 6252 | Denmark | 2,984 | -9.9% |
| 6253 | Bishopville | 2,983 | -18.7% |
| 6261 | Allendale | 2,979 | -26.6% |
| 6296 | Williston | 2,932 | -10.6% |
| 6371 | Andrews | 2,852 | -7.0% |
| 6505 | Springdale | 2,739 | 3.5% |
| 6508 | Burnettown | 2,736 | 4.1% |
| 6566 | Loris | 2,700 | 29.6% |
| 6593 | Ravenel | 2,674 | 14.2% |
| 6602 | Pageland | 2,668 | 5.9% |
| 6609 | Wellford | 2,664 | 9.9% |
| 6637 | Folly Beach | 2,641 | 20.7% |
| 6652 | Landrum | 2,625 | 5.4% |
| 6730 | Westminster | 2,555 | -6.9% |
| 6764 | Hampton | 2,531 | -10.5% |
| 6847 | Pacolet | 2,472 | -9.6% |
| 6863 | South Congaree | 2,463 | 7.6% |
| 6876 | Lincolnville | 2,451 | 165.8% |
| 6976 | Cowpens | 2,379 | 4.1% |
| 6977 | Inman | 2,378 | 17.7% |
| 6990 | Timmonsville | 2,369 | 2.4% |
| 7011 | Johnston | 2,354 | -1.5% |
| 7027 | McCormick | 2,346 | -11.8% |
| 7047 | Pine Ridge | 2,335 | 33.2% |
| 7171 | Kershaw | 2,249 | 38.1% |
| 7214 | Blackville | 2,217 | -25.3% |
| Year | Population | Rank in US |
|---|---|---|
| 2018 | 4,367 | 5,121 |
| 2017 | 4,429 | 5,060 |
| 2016 | 4,542 | 4,976 |
| 2015 | 4,592 | 4,941 |
| 2014 | 4,649 | 4,886 |
| 2013 | 4,691 | 4,839 |
| 2012 | 4,680 | 4,824 |
| 2011 | 4,715 | 4,799 |
| 2010 | 4,750 | 4,764 |
| 2009 | 4,733 | 4,734 |
| 2008 | 4,780 | 4,693 |
| 2007 | 4,798 | 4,665 |
| 2006 | 4,798 | 4,641 |
| 2005 | 4,816 | 4,601 |
| 2004 | 4,822 | 4,576 |
| 2003 | 4,871 | 4,513 |
| 2002 | 4,876 | 4,502 |
| 2001 | 4,932 | 4,457 |
| 2000 | 4,965 | 4,425 |
| 1990 | 5,545 | 3,781 |