Founded on Dec 7, 1836, Henry County is one of 99 counties in the state of Iowa. Historically, Henry County was formed from Wisconsin Territory. The city of Mount Pleasant is the county seat. With FIPS code of 87, Henry County has a population of 20,387 and area of 434 square miles (1,124 km2).
List of all cities in Henry County, IA alphabetically
| City/Town | Postal Code | Area Code |
| Coppock, IA | 52654 | 319 |
| Hillsboro, IA | 52630 | 319 |
| Lowell, IA | 52645 | 319 |
| Mount Pleasant, IA | 52641 | 319 |
| Mount Union, IA | 52644 | 319 |
| New London, IA | 52645 | 319 |
| Olds, IA | 52647 | 319 |
| Rome, IA | 52642 | 319 |
| Salem, IA | 52649 | 319 |
| Swedesburg, IA | 52652 | 319 |
| Wayland, IA | 52654 | 319 |
| Winfield, IA | 52659 | 319 |