Founded on Dec 21, 1837, Keokuk County is one of 99 counties in the state of Iowa. Historically, Keokuk County was formed from Washington County. The city of Sigourney is the county seat. With FIPS code of 107, Keokuk County has a population of 9,914 and area of 579 square miles (1,500 km2).
List of all cities in Keokuk County, IA alphabetically
| City/Town | Postal Code | Area Code |
| Clear Creek, IA | 52248 | 641 |
| Coal Creek, IA | 50268 | 641 |
| Delta, IA | 52550 | 641 |
| Farson, IA | 52563 | 641 |
| Gibson, IA | 50104 | 641 |
| Harper, IA | 52231 | 641 |
| Hayesville, IA | 52562 | 641 |
| Hedrick, IA | 52563 | 641 |
| Indianapolis, IA | 50268 | 641 |
| Keota, IA | 52248 | 641 |
| Keswick, IA | 50136 | 319 |
| Kinross, IA | 52335 | 319 |
| Lancaster, IA | 52591 | 641 |
| Martinsburg, IA | 52568 | 641 |
| Ollie, IA | 52576 | 641 |
| Richland, IA | 52585 | 319 |
| Rubio, IA | 52585 | 319 |
| Sigourney, IA | 52591 | 641 |
| South English, IA | 52335 | 319 |
| Talleyrand, IA | 52248 | 641 |
| Thornburg, IA | 50255 | 641 |
| Veo, IA | 52585 | 319 |
| Webster, IA | 52355 | 319 |
| What Cheer, IA | 50268 | 641 |