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 |
|---|---|---|
| 3 | Big Sky / West Yellowstone / Gardiner | Gallatin / Park |
| 2 | Helena | Lewis and Clark |
| 3 | Kalispell / Whitefish | Flathead |
| 2 | Missoula | Missoula |