CDP in Clermont County, Ohio · 0.2 sq mi · 1,088 people per sq mi
About 190 people live in Marathon. The median resident is 44.9 years old.
2026 projection
From 345 in 2020
Poverty rate 10.96%
Men 0 · Women 71.1
2020–2026
185
2026 projection
46.4% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2020–2026
185
2026 projection
46.4% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 185 | +12 | 6.94% |
|---|---|---|---|
| 2025 | 173 | +23 | 7.39% |
| 2023 | 150 | +39 | 35.14% |
| 2022 | 111 | -84 | 43.08% |
| 2021 | 195 | -150 | 43.48% |
| 2020 | 345 | — | — |
Showing 6 of 6 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 1 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
11% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 11% | 0% | 22% |
| Never married | 49% | 100% | 0% |
| Divorced | 0% | 0% | 0% |
| Widowed | 28% | 0% | 54% |
| Separated | 12% | 0% | 24% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
7 sources, all from the U.S. Census Bureau