Founded on Jan 13, 1846, Warren County is one of 99 counties in the state of Iowa. Historically, Warren County was formed from Polk County. The city of Indianola is the county seat. With FIPS code of 181, Warren County has a population of 53,402 and area of 572 square miles (1,481 km2).
List of all cities in Warren County, IA alphabetically
| City/Town | Postal Code | Area Code |
| Ackworth, IA | 50001 | 515 |
| Avon, IA | 50047 | 515 |
| Avon Lake, IA | 50047 | 515 |
| Carlisle, IA | 50047 | 515 |
| Churchville, IA | 50211 | 515 |
| Cool, IA | 50125 | 515 |
| Cumming, IA | 50061 | 515 |
| Hartford, IA | 50118 | 515 |
| Indianola, IA | 50125 | 515 |
| Jamison, IA | 50210 | 641 |
| Lacona, IA | 50139 | 641 |
| Lakewood, IA | 50211 | 515 |
| Liberty, IA | 50210 | 641 |
| Liberty Center, IA | 50145 | 641 |
| Martensdale, IA | 50160 | 641 |
| Medora, IA | 50125 | 515 |
| Milo, IA | 50166 | 641 |
| New Virginia, IA | 50210 | 641 |
| Newbern, IA | 50139 | 641 |
| Norwalk, IA | 50211 | 515 |
| Orillia, IA | 50061 | 515 |
| Palmyra, IA | 50047 | 515 |
| Prole, IA | 50229 | 515 |
| Saint Marys, IA | 50241 | 641 |
| Sandyville, IA | 50001 | 515 |
| Scotch Ridge, IA | 50047 | 515 |
| Spring Hill, IA | 50125 | 515 |
| Summerset, IA | 50125 | 515 |
| WDM, IA | 50061 | 515 |
| West Des Moines, IA | 50061 | 515 |