Founded in 1887, Grant County is one of 93 counties in the state of Nebraska. Historically, Grant County was formed from unorganized territory. The city of Hyannis is the county seat. With FIPS code of 75, Grant County has a population of 579 and area of 776 square miles (2,010 km2).
List of all cities in Grant County, NE alphabetically
| City/Town | Postal Code | Area Code |
| Ashby, NE | 69333 | 308 |
| Hyannis, NE | 69350 | 308 |
| Survey, NE | 69333 | 308 |
| Whitman, NE | 69366 | 308 |