Founded on Jan 15, 1851, Sac County is one of 99 counties in the state of Iowa. Historically, Sac County was formed from Greene County. The city of Sac City is the county seat. With FIPS code of 161, Sac County has a population of 9,752 and area of 576 square miles (1,492 km2).
List of all cities in Sac County, IA alphabetically
| City/Town | Postal Code | Area Code |
| Auburn, IA | 51433 | 712 |
| Carnarvon, IA | 51450 | 712 |
| Early, IA | 50535 | 712 |
| Grant City, IA | 51433 | 712 |
| Lake View, IA | 51450 | 712 |
| Nemaha, IA | 50567 | 712 |
| Odebolt, IA | 51458 | 712 |
| Sac City, IA | 50583 | 712 |
| Schaller, IA | 51053 | 712 |
| Wall Lake, IA | 51466 | 712 |
| Yetter, IA | 51433 | 712 |