City in Darke County, Ohio · 6.7 sq mi · 1,901 people per sq mi
12,643 people live in Greenville. The typical household earns $47,237, and the median resident is 42.3 years old.
2026 projection
From 12,786 in 2020
Poverty rate 14.17%
Men 39.2 · Women 45.3
1840–2026
12,643
2026 projection
1.1% 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.
1840–2026
12,643
2026 projection
1.1% 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 | 12,643 | -37 | 0.29% |
|---|---|---|---|
| 2025 | 12,680 | +25 | 0.20% |
| 2024 | 12,655 | +29 | 0.23% |
| 2023 | 12,626 | -33 | 0.26% |
| 2022 | 12,659 | -29 | 0.23% |
| 2021 | 12,688 | -98 | 0.77% |
| 2020 | 12,786 | -12 | 0.09% |
| 2019 | 12,798 | -56 | 0.44% |
| 2018 | 12,854 | -69 | 0.53% |
| 2017 | 12,923 | -17 | 0.13% |
Showing 10 of 34 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.
Greenville has a population change lower than Darke County, Ohio, 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 127 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 7 residents
40% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 40% | 43% | 38% |
| Never married | 26% | 32% | 20% |
| Divorced | 19% | 14% | 23% |
| Widowed | 14% | 10% | 17% |
| Separated | 2% | 2% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources