Founded on Jan 15, 1851, Hancock County is one of 99 counties in the state of Iowa. Historically, Hancock County was formed from Wright County. The city of Garner is the county seat. With FIPS code of 81, Hancock County has a population of 10,663 and area of 571 square miles (1,479 km2).
List of all cities in Hancock County, IA alphabetically
| City/Town | Postal Code | Area Code |
| Britt, IA | 50423 | 641 |
| Corwith, IA | 50430 | 515 |
| Crystal Lake, IA | 50432 | 641 |
| Denhart, IA | 50447 | 641 |
| Duncan, IA | 50423 | 641 |
| Garner, IA | 50438 | 641 |
| Goodell, IA | 50439 | 641 |
| Hayfield, IA | 50438 | 641 |
| Hutchins, IA | 50423 | 641 |
| Kanawha, IA | 50447 | 641 |
| Klemme, IA | 50449 | 641 |
| Miller, IA | 50438 | 641 |
| Stilson, IA | 50423 | 641 |
| Woden, IA | 50484 | 641 |