| | | County | Population | Water Area | Near Airport | Homes | Min Home Price | Max Home Price |
 |  | Deer Lodge | 9417 | 4.2 sq mi | Bert Mooney Airport (BTM) | 116 | 30,000 | 1,300,000 |
| | Flathead | 74471 | 158.1 sq mi | Glacier Park Int'l (FCA) | 2210 | 15,000 | 20,000,000 |
| | Granite | 2830 | 5.7 sq mi | Bert Mooney Airport (BTM) | 154 | 22,000 | 10,400,000 |
| | Lake | 26507 | 159.9 sq mi | Glacier Park Int'l (GPI) | 653 | 11,000 | 15,000,000 |
| | Lewis & Clark | 55716 | 36.6 sq mi | Helena Regional Airport (HLN) | 0 | | |
| | Lincoln | 18837 | 62.4 sq mi | Glacier Park Int'l (GPI) | 649 | 19,000 | 4,500,000 |
| | Mineral | 3884 | 3.6 sq mi | Missoula Int'lAirport (MSO) | 207 | 24,000 | 4,900,000 |
| | Missoula | 95802 | 20.4 sq mi | Missoula Int'lAirport (MSO) | 1193 | 18 | 28,350,000 |
| | Powell | 7180 | 6.7 sq mi | Bert Mooney Airport (BTM) | 118 | 15,900 | 3,925,580 |
| | Ravalli | 36070 | 6.1 sq mi | Missoula Int'lAirport (MSO) | 942 | 25,000 | 19,500,000 |
| | Sanders | 10227 | 27.9 sq mi | Missoula Int'lAirport (MSO) | 367 | 12,000 | 2,975,000 |
