Ada, Ohio
| Ada, Ohio | |
|---|---|
| Corner of Main Street and Buckeye Avenue | |
| Nickname: “A Classic Ohio Village” | |
| Location of Ada, Ohio | |
| Location of Ada in Hardin County | |
| Coordinates: 40°46′05″N 83°49′31″W / 40.76806°N 83.82528°W | |
| Country | United States | 
| State | Ohio | 
| County | Hardin | 
| Township | Liberty | 
| Government | |
| • Mayor | Dave Retterer | 
| Area | |
|  • Total | 2.13 sq mi (5.53 km2) | 
| • Land | 2.13 sq mi (5.53 km2) | 
| • Water | 0.00 sq mi (0.00 km2) | 
| Elevation | 958 ft (292 m) | 
| Population  (2020) | |
|  • Total | 5,334 | 
|  • Estimate  (2023) | 5,302 | 
| • Density | 2,499.53/sq mi (965.30/km2) | 
| Time zone | UTC-5 (Eastern (EST)) | 
| • Summer (DST) | UTC-4 (EDT) | 
| ZIP code | 45810 | 
| Area code | 419 | 
| FIPS code | 39-00198 | 
| GNIS feature ID | 2397907 | 
| Website | adaoh.gov | 
Ada (/ˈeɪdə/ AY-də) is a village in Hardin County, Ohio, United States, located about 69 miles (111 km) southwest of Toledo. As of the 2020 census, its population was 5,334. It is the home of Ohio Northern University.