City levels are determined by the county in which they are located. If the city is not named below, it may be located within a county listed below. Visit the National Association of Counties website and type the city name into the "City/Zip Search" tab to determine the city's county. If the city is not listed below or is not located in a county below, that city is a Level 1.
| Level | City | County |
|---|---|---|
| 4 | Cincinnati | Hamilton / Clermont |
| 3 | Cleveland | Cuyahoga |
| 3 | Columbus | Franklin |
| 2 | Dayton / Fairborn | Greene / Montgomery |
| 2 | Hamilton | Butler / Warren |