
Alger
- County:
- Hardin County
- County Seat:
- No
- Area (mi²):
- 0.296
- State:
- Ohio
Alger is a village located in Hardin County, Ohio. Alger has a 2025 population of 813. Alger is currently declining at a rate of -0.61% annually and its population has decreased by -3.21% since the most recent census, which recorded a population of 840 in 2020.
The average household income in Alger is $71,552 with a poverty rate of 37.29%. The median age in Alger is 33.4 years: 31.6 years for males, and 38.9 years for females.