
Lima
- County:
- Allen County
- County Seat:
- Yes
- Area (mi²):
- 13.619
- State:
- Ohio
Lima is a city located in Allen County, Ohio. Lima has a 2025 population of 34,304. It is also the county seat of Allen County. Lima is currently declining at a rate of -0.71% annually and its population has decreased by -3.45% since the most recent census, which recorded a population of 35,529 in 2020.
The average household income in Lima is $54,825 with a poverty rate of 24.83%. The median age in Lima is 35.4 years: 33.1 years for males, and 38.8 years for females.