Town in Barnwell County, South Carolina · 8.9 sq mi · 215 people per sq mi
1,921 people live in Blackville. The typical household earns $21,742, and the median resident is 44.3 years old.
2026 projection
From 1,923 in 2020
Poverty rate 32.9%
Men 42.5 · Women 55.4
2010–2026
1,921
2026 projection
0.1% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2010–2026
1,921
2026 projection
0.1% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 1,921 | -4 | 0.21% |
|---|---|---|---|
| 2025 | 1,925 | +11 | 0.57% |
| 2024 | 1,914 | +6 | 0.31% |
| 2023 | 1,908 | -2 | 0.10% |
| 2022 | 1,910 | -17 | 0.88% |
| 2021 | 1,927 | +4 | 0.21% |
| 2020 | 1,923 | -31 | 1.59% |
| 2019 | 1,954 | -52 | 2.59% |
| 2018 | 2,006 | -49 | 2.38% |
| 2017 | 2,055 | -61 | 2.88% |
Showing 10 of 17 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Blackville has a population change lower than Barnwell County, South Carolina, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 18 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 3 residents
31% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 31% | 25% | 36% |
| Never married | 37% | 53% | 24% |
| Divorced | 16% | 12% | 20% |
| Widowed | 10% | 1% | 18% |
| Separated | 6% | 10% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources