Founded in 1867, Sedgwick County is one of 105 counties in the state of Kansas. Historically, Sedgwick County was formed from Butler County. The city of Wichita is the county seat. With FIPS code of 173, Sedgwick County has a population of 523,828 and area of 1,000 square miles (2,590 km2).
List of all cities in Sedgwick County, KS alphabetically
| City/Town | Postal Code | Area Code |
| Andale, KS | 67001 | 316 |
| Bel Aire, KS | 67220 | 316 |
| 67226 | 316 | |
| Bentley, KS | 67016 | 316 |
| Cheney, KS | 67025 | 316 |
| Clearwater, KS | 67026 | 620 |
| Colwich, KS | 67030 | 316 |
| Comotara, KS | 67226 | 316 |
| Derby, KS | 67037 | 316 |
| Eastborough, KS | 67206 | 316 |
| 67207 | 316 | |
| 67208 | 316 | |
| Garden Plain, KS | 67050 | 316 |
| Goddard, KS | 67052 | 316 |
| Greenwich, KS | 67055 | 316 |
| Haysville, KS | 67060 | 316 |
| Kechi, KS | 67067 | 316 |
| Maize, KS | 67101 | 316 |
| McConnell AFB, KS | 67221 | 316 |
| Mount Hope, KS | 67108 | 316 |
| Mulvane, KS | 67110 | 316 |
| North Wichita, KS | 67204 | 316 |
| Oaklawn, KS | 67216 | 316 |
| Oatville, KS | 67215 | 316 |
| Park City, KS | 67147 | 316 |
| 67204 | 316 | |
| 67219 | 316 | |
| Planeview, KS | 67210 | 316 |
| Schulte, KS | 67215 | 316 |
| USPS Offical Mail, KS | 67276 | 316 |
| Valley Center, KS | 67147 | 316 |
| Viola, KS | 67149 | 620 |
| Wichita, KS | 67147 | 316 |
| 67201 | 316 | |
| 67202 | 316 | |
| 67203 | 316 | |
| 67204 | 316 | |
| 67205 | 316 | |
| 67206 | 316 | |
| 67207 | 316 | |
| 67208 | 316 | |
| 67209 | 316 | |
| 67210 | 316 | |
| 67211 | 316 | |
| 67212 | 316 | |
| 67213 | 316 | |
| 67214 | 316 | |
| 67215 | 316 | |
| 67216 | 316 | |
| 67217 | 316 | |
| 67218 | 316 | |
| 67219 | 316 | |
| 67220 | 316 | |
| 67221 | 316 | |
| 67223 | 316 | |
| 67226 | 316 | |
| 67227 | 316 | |
| 67228 | 316 | |
| 67230 | 316 | |
| 67232 | 316 | |
| 67235 | 316 | |
| 67260 | 316 | |
| 67275 | 316 | |
| 67276 | 316 | |
| 67277 | 316 | |
| 67278 | 316 | |
| Wichita State University, KS | 67260 | 316 |