Town · South Carolina
Blackville, South Carolina
Blackville, town, in Barnwell County, South Carolina. Blackville had 1,925 residents on July 1, 2025 by the Census Bureau's estimate, down 0.1% since 2020; the 2020 Census counted 1,923 and the ACS 2020-2024 5-year estimates put it at 1,778 (±436). GEOID 4506490.
Residents, July 2025 estimate
1,925
Census Bureau estimate (no margin published)
2020 Census count: 1,923 · ACS 2020-2024: 1,778 ±436
Median household income
$21,742
±$11,917 (90% margin)
South Carolina: $69,324
Median home value
$80,400
±$30,426 (90% margin)
South Carolina: $259,000
Median gross rent
not published
South Carolina: $1,180
Where is Blackville and what county is it in?
Blackville is a town in Barnwell County, South Carolina. It covers 8.9 square miles of land, 215 residents per square mile in 2020.
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Blackville, and is it growing?
The Census Bureau estimates that 1,925 people lived in Blackville on July 1, 2025, down 0.1% since 2020, while South Carolina grew 8.8%. The 2020 Census counted 1,923 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 1,778 (±436).
| Measure | Blackville | Barnwell County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 1,778 ±436 | 20,521 | no clear change |
| Households | 728 ±158 | 8,116 | no clear change |
| Average household size | 2.44 ±0.42 | 2.48 | no clear change |
| Housing units | 1,051 ±190 | 9,927 | no clear change |
Blackville's population since 2000
From 2,973 in 2000 to 1,925 in 2025: down 35.3%. The 2000, 2010 and 2020 figures are census counts, each for Blackville as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Blackville?
The median resident of Blackville is 44.3 years old; 21.0% are under 18 and 29.1% are 65 or older. The largest group is non-Hispanic Black residents at 89.2%, then non-Hispanic white residents at 7.7%.
| Measure | Blackville | Barnwell County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 44.3 ±11.7 | 40.4 | no clear change |
| Under 18 years | 21.0% ±9.5 pts | 23.7% | – |
| 65 years and over | 29.1% ±8.2 pts | 19.1% | – |
| Male | 48.4% ±6.2 pts | 48.3% | – |
| Hispanic or Latino (any race) | 0.0% ±2.5 pts | 2.9% | – |
| White alone, not Hispanic | 7.7% ±4.7 pts | 50.5% | −15.1 pts |
| Black or African American alone, not Hispanic | 89.2% ±5.8 pts | 42.8% | +13.7 pts |
| Asian alone, not Hispanic | 0.0% ±2.5 pts | 0.6% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±2.5 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±2.5 pts | 0.0% | – |
| Two or more races, not Hispanic | 3.1% ±3.5 pts | 2.7% | – |
| Some other race alone, not Hispanic | 0.0% ±2.5 pts | 0.4% | – |
| Born outside the United States | 0.4% ±0.6 pts | 2.4% | – |
| Speak a language other than English at home (age 5+) | 0.8% ±1.1 pts | 3.3% | – |
| Civilian veterans (age 18+) | 6.4% ±3.6 pts | 7.1% | – |
| With a disability | 26.9% ±8.0 pts | 20.3% | – |
| No health insurance coverage | 16.5% ±7.4 pts | 12.2% | no clear change |
| High school graduate or higher (age 25+) | 78.1% ±6.6 pts | 83.9% | – |
| Bachelor's degree or higher (age 25+) | 7.4% ±5.2 pts | 13.9% | – |
| Graduate or professional degree (age 25+) | 7.0% ±5.2 pts | 5.4% | – |
| Lived in the same house a year earlier | 94.5% ±3.4 pts | 92.5% | – |
| Moved from another state in the past year | 1.1% ±1.4 pts | 0.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Blackville earn?
Half of Blackville's 728 households earn less than $21,742 a year (±$11,917), against $46,626 in Barnwell County and $69,324 in South Carolina. In 2015-2019 it was $28,595 in 2024 dollars; the margins of error cannot tell the two periods apart. 32.9% of residents live below the poverty line.
| Measure | Blackville | Barnwell County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $21,742 ±$11,917 | $46,626 | no clear change |
| Mean household income | $59,173 ±$18,859 | $66,517 | – |
| Per capita income | $28,240 ±$7,839 | $28,139 | +$9,703 |
| People below the poverty line | 32.9% ±12.1 pts | 25.0% | no clear change |
| Children under 18 below the poverty line | 55.5% ±31.1 pts | 43.2% | no clear change |
| Households receiving SNAP | 46.4% ±13.7 pts | 24.5% | – |
| Households with a computer | 72.9% ±10.6 pts | 85.2% | – |
| Households with a broadband subscription | 70.7% ±10.3 pts | 75.2% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Blackville?
Owners occupy 60.0% of Blackville's occupied homes and renters 40.0%. The median owner-occupied home is valued at $80,400 by its owner (±$30,426).
| Measure | Blackville | Barnwell County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $80,400 ±$30,426 | $106,000 | no clear change |
| Renters paying 35% or more of income on rent | 28.0% ±25.8 pts | 33.9% | – |
| Median monthly owner costs, with a mortgage | $994 ±$159 | $1,252 | – |
| Owner-occupied homes | 60.0% ±11.7 pts | 70.9% | no clear change |
| Renter-occupied homes | 40.0% ±11.7 pts | 29.1% | – |
| Housing units | 1,051 ±190 | 9,927 | no clear change |
| Homeowner vacancy rate | 0.0% ±9.8 pts | 1.7% | – |
| Rental vacancy rate | 1.7% ±2.5 pts | 3.5% | – |
| Single-family detached homes | 65.1% ±8.8 pts | 58.4% | – |
| Mobile homes | 28.0% ±9.1 pts | 32.8% | – |
| Built 2020 or later | 0.0% ±4.2 pts | 0.7% | – |
| Built 2010 to 2019 | 0.5% ±0.8 pts | 4.4% | – |
| Built 1939 or earlier | 5.7% ±4.7 pts | 6.7% | – |
| Households with no vehicle | 24.5% ±10.1 pts | 10.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Blackville building?
Blackville last reported building permits to the Census Bureau for 2019.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Blackville work and get to work?
86.9% of Blackville's workers drive alone. The average trip to work takes 23.4 minutes.
| Measure | Blackville | Barnwell County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 45.1% ±9.9 pts | 57.1% | – |
| Unemployment rate | 1.5% ±2.3 pts | 7.0% | – |
| Drove alone to work | 86.9% ±8.6 pts | 82.0% | – |
| Carpooled | 7.5% ±6.2 pts | 10.1% | – |
| Public transportation | 0.0% ±6.9 pts | 2.2% | – |
| Walked | 0.0% ±6.9 pts | 0.6% | – |
| Worked from home | 4.6% ±6.7 pts | 4.2% | – |
| Mean travel time to work | 23.4 min ±4.5 | 27.2 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Blackville?
1 census tract lies mostly in Blackville (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 9702Barnwell County | 2,931 | $28,542 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Blackville) · Census block assignment files
How does Blackville compare with other places in South Carolina?
By the Census Bureau's July 2025 estimates, Blackville is the 7,825th-most populous of the 19,476 U.S. incorporated places that have one and the 121st-most populous of 271 in South Carolina.
Blackville ranks 246th of 248 places in South Carolina with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 121st | 271 |
| Growth 2020-2025 (PEP) | 113th | 149 |
| Residents per square mile | 248th | 261 |
| Median household income | 246th | 248 |
| Per capita income | 144th | 259 |
| Median home value | 235th | 248 |
| Poverty rate | 28th | 214 |
| Median age | 58th | 261 |
| Owner-occupied share | 163rd | 258 |
| Travel time to work | 156th | 261 |
Blackville's figures with every place in South Carolina (CSV)
Every place in South Carolina, sortable · Compare Blackville with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Blackville?
22 of the 56 figures for Blackville on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Blackville are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Blackville.