Founded on Jan 13, 1846, Boone County is one of 99 counties in the state of Iowa. Historically, Boone County was formed from Polk County. The city of Boone is the county seat. With FIPS code of 15, Boone County has a population of 26,723 and area of 572 square miles (1,481 km2).
List of all cities in Boone County, IA alphabetically
| City/Town | Postal Code | Area Code |
| Beaver, IA | 50031 | 515 |
| Boone, IA | 50036 | 515 |
| 50037 | 515 | |
| 50099 | 515 | |
| Boxholm, IA | 50040 | 515 |
| Luther, IA | 50152 | 515 |
| Madrid, IA | 50156 | 515 |
| Ogden, IA | 50212 | 515 |
| Pilot Mound, IA | 50223 | 515 |
| Zook Spur, IA | 50156 | 515 |