Barnwell County, South Carolina demographics
Population: 20,801
Median age: 41.3
Median household income: 38,237
Demographics, population, home values, social and economic characteristics of Barnwell County, South Carolina.
Population
| 2021 | 20,801 |
| 2020 | 21,170 |
| 2019 | 21,346 |
| 2018 | 21,577 |
| 2017 | 21,788 |
| 2016 | 21,917 |
| 2015 | 22,098 |
| 2014 | 22,287 |
| 2013 | 22,399 |
| 2012 | 22,523 |
| 2011 | 22,638 |
| 2010 | 22,748 |
| 2009 | 22,914 |
Barnwell County, SC cities
Barnwell city - 4,526
Blackville town - 2,135
Elko town - 242
Hilda town - 405
Kline town - 202
Snelling town - 306
Williston town - 2,909
Census data for Barnwell County, South Carolina
Demographic and housing estimates in Barnwell County, South Carolina
| Total population | 20,801 |
| Male | 10,137 |
| Female | 10,664 |
| Total population | 20,801 |
| Under 5 years | 1,190 |
| 5 to 9 years | 1,423 |
| 10 to 14 years | 1,396 |
| 15 to 19 years | 1,617 |
| 20 to 24 years | 1,251 |
| 25 to 34 years | 2,217 |
| 35 to 44 years | 2,292 |
| 45 to 54 years | 2,583 |
| 55 to 59 years | 1,593 |
| 60 to 64 years | 1,408 |
| 65 to 74 years | 2,360 |
| 75 to 84 years | 1,002 |
| 85 years and over | 469 |
| Median age (years) | 41.3 |
| Under 18 years | 4,963 |
| 16 years and over | 16,504 |
| 18 years and over | 15,838 |
| 21 years and over | 15,010 |
| 62 years and over | 4,794 |
| 65 years and over | 3,831 |
| Total population | 20,801 |
| One race | 20,665 |
| White | 10,697 |
| Black or African American | 9,696 |
| American Indian and Alaska Native | 15 |
| Asian | 18 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 239 |
| Two or more races | 136 |
| Citizen, VOTING AGE 18 and over population | 15,687 |
| Male Citizen, VOTING AGE 18 and over population | 7,347 |
| Female Citizen, VOTING AGE 18 and over population | 8,340 |
Social characteristics in Barnwell County, South Carolina
| Total households | 8,253 |
| Family households (families) | 3,028 |
| Married-couple family | 241 |
| Male householder, no wife present, family | 1,507 |
| Female householder, no husband present, family | 1,109 |
| Nonfamily households | 3,477 |
| Average household size | 2,684 |
| Average family size | 2.48 |
Economic characteristics in Barnwell County, South Carolina
| Total households | 8,253 |
| Less than $10,000 | 1,370 |
| $10,000 to $14,999 | 574 |
| $15,000 to $24,999 | 1,058 |
| $25,000 to $34,999 | 877 |
| $35,000 to $49,999 | 997 |
| $50,000 to $74,999 | 1,160 |
| $75,000 to $99,999 | 984 |
| $100,000 to $149,999 | 795 |
| $150,000 to $199,999 | 303 |
| $200,000 or more | 135 |
| Median household income (dollars) | 38,237 |
Housing characteristics in Barnwell County, South Carolina
| Total housing units | 9,934 |
| Occupied housing units | 8,253 |
| Vacant housing units | 1,681 |
| Total housing units | 9,934 |
| 1-unit, detached | 5,913 |
| 1-unit, attached | 21 |
| 2 units | 155 |
| 3 or 4 units | 521 |
| 5 to 9 units | 211 |
| 10 to 19 units | 66 |
| 20 or more units | 117 |
| Mobile home | 2,930 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 9,934 |
| Built 2014 or later | 28 |
| Built 2010 to 2013 | 508 |
| Built 2000 to 2009 | 978 |
| Built 1990 to 1999 | 1,936 |
| Built 1980 to 1989 | 1,878 |
| Built 1970 to 1979 | 1,669 |
| Built 1960 to 1969 | 906 |
| Built 1950 to 1959 | 1,182 |
| Built 1940 to 1949 | 185 |
| Built 1939 or earlier | 664 |
| Total housing units | 9,934 |
| 1 room | 177 |
| 2 rooms | 205 |
| 3 rooms | 736 |
| 4 rooms | 1,377 |
| 5 rooms | 2,351 |
| 6 rooms | 1,988 |
| 7 rooms | 1,390 |
| 8 rooms | 1,008 |
| 9 rooms or more | 702 |
| Median rooms | 5.6 |
| Total housing units | 9,934 |
| No bedroom | 252 |
| 1 bedroom | 744 |
| 2 bedrooms | 2,320 |
| 3 bedrooms | 4,830 |
| 4 bedrooms | 1,654 |
| 5 or more bedrooms | 134 |
| Occupied housing units | 8,253 |
| Owner-occupied | 5,740 |
| Renter-occupied | 2,513 |
| Average household size of owner-occupied unit | 2.55 |
| Average household size of renter-occupied unit | 2.32 |
| Occupied housing units | 8,253 |
| Moved in 2017 or later | 509 |
| Moved in 2015 to 2016 | 2,103 |
| Moved in 2010 to 2014 | 1,298 |
| Moved in 2000 to 2009 | 1,870 |
| Moved in 1990 to 1999 | 1,135 |
| Moved in 1989 and earlier | 1,338 |
| Owner-occupied units | 5,740 |
| Less than $50,000 | 1,317 |
| $50,000 to $99,999 | 1,912 |
| $100,000 to $149,999 | 719 |
| $150,000 to $199,999 | 674 |
| $200,000 to $299,999 | 648 |
| $300,000 to $499,999 | 405 |
| $500,000 to $999,999 | 65 |
| $1,000,000 or more | 0 |
| Median (dollars) | 89,200 |
| Owner-occupied units | 5,740 |
| Housing units with a mortgage | 2,312 |
| Housing units without a mortgage | 3,428 |
| Occupied units paying rent | 1,961 |
| Less than $500 | 583 |
| $500 to $999 | 1,082 |
| $1,000 to $1,499 | 296 |
| $1,500 to $1,999 | 0 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 699 |
| No rent paid | 552 |
Demographic data for Barnwell County, SC and each city in the county. Lists of cities by population, wealth and poverty in Barnwell County, SC.
Links