City in Auglaize County, Ohio · 4.7 sq mi · 1,799 people per sq mi
About 8,400 people live in St. Marys. The typical household earns $79,516, and the median resident is 36.6 years old.
2026 projection
From 8,410 in 2020
Poverty rate 6.58%
Men 35.4 · Women 40.1
1840–2026
8,398
2026 projection
0.1% 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.
1840–2026
8,398
2026 projection
0.1% 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 | 8,398 | 0 | 0.00% |
|---|---|---|---|
| 2025 | 8,398 | -12 | 0.14% |
| 2024 | 8,410 | -36 | 0.43% |
| 2023 | 8,446 | -6 | 0.07% |
| 2022 | 8,452 | +2 | 0.02% |
| 2021 | 8,450 | +40 | 0.48% |
| 2020 | 8,410 | +273 | 3.36% |
| 2019 | 8,137 | -61 | 0.74% |
| 2018 | 8,198 | +61 | 0.75% |
| 2017 | 8,137 | -45 | 0.55% |
Showing 10 of 34 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 83 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 15 residents
53% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 53% | 51% | 55% |
| Never married | 32% | 37% | 26% |
| Divorced | 9% | 9% | 8% |
| Widowed | 7% | 3% | 10% |
| Separated | <1% | <1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau