
McArthur
- County:
- Vinton County
- County Seat:
- Yes
- Area (mi²):
- 1.687
- State:
- Ohio
McArthur is a village located in Vinton County, Ohio. McArthur has a 2025 population of 1,696. It is also the county seat of Vinton County. McArthur is currently declining at a rate of -1.05% annually and its population has decreased by -5.04% since the most recent census, which recorded a population of 1,786 in 2020.
The average household income in McArthur is $66,680 with a poverty rate of 30.34%. The median age in McArthur is 35.4 years: 30.8 years for males, and 41 years for females.