Founded in 1857, Isanti County is one of 87 counties in the state of Minnesota. Historically, Isanti County was formed from Ramsey County. The city of Cambridge is the county seat. With FIPS code of 59, Isanti County has a population of 41,906 and area of 439.07 square miles (1,137 km2).
List of all cities in Isanti County, MN alphabetically
| City/Town | Postal Code | Area Code |
| Braham, MN | 55006 | 320 |
| Cambridge, MN | 55008 | 763 |
| Dalbo, MN | 55017 | 763 |
| Day, MN | 55006 | 320 |
| Edgewood, MN | 55008 | 763 |
| Grandy, MN | 55029 | 763 |
| Grass Lake, MN | 55006 | 320 |
| Isanti, MN | 55040 | 763 |
| Spectacle Lake, MN | 55008 | 763 |
| Stanchfield, MN | 55080 | 320 |
| Stanford, MN | 55080 | 320 |