City in Marion County, South Carolina · 3.2 sq mi · 1,191 people per sq mi
3,805 people live in Mullins. The typical household earns $34,908, and the median resident is 37.9 years old.
2026 projection
From 4,026 in 2020
Poverty rate 38.34%
Men 43.5 · Women 34.8
1890–2026
3,805
2026 projection
5.5% 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.
1890–2026
3,805
2026 projection
5.5% 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 | 3,805 | -33 | 0.86% |
|---|---|---|---|
| 2025 | 3,838 | -48 | 1.24% |
| 2024 | 3,886 | -16 | 0.41% |
| 2023 | 3,902 | -10 | 0.26% |
| 2022 | 3,912 | -61 | 1.54% |
| 2021 | 3,973 | -53 | 1.32% |
| 2020 | 4,026 | -62 | 1.52% |
| 2019 | 4,088 | -89 | 2.13% |
| 2018 | 4,177 | -78 | 1.83% |
| 2017 | 4,255 | -91 | 2.09% |
Showing 10 of 29 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.
Mullins has a population change lower than Marion 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 39 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
19% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 19% | 27% | 14% |
| Never married | 52% | 48% | 54% |
| Divorced | 14% | 16% | 13% |
| Widowed | 8% | <1% | 12% |
| Separated | 8% | 9% | 7% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources