Founded in 1855, Shawnee County is one of 105 counties in the state of Kansas. Historically, Shawnee County was one of the original 36 counties. The city of Topeka is the county seat. With FIPS code of 177, Shawnee County has a population of 178,264 and area of 550 square miles (1,424 km2).
List of all cities in Shawnee County, KS alphabetically
| City/Town | Postal Code | Area Code |
| Auburn, KS | 66402 | 785 |
| Berryton, KS | 66409 | 785 |
| Blue Cross, KS | 66629 | 785 |
| Burlington Northern Santa Fe, KS | 66628 | 785 |
| Dover, KS | 66420 | 785 |
| Kansas Income Tax, KS | 66699 | 785 |
| Ks Dept of Revenue Taxation, KS | 66625 | 785 |
| Ks Dept of Revenue Vehicles, KS | 66626 | 785 |
| Ks State Bd of Health, KS | 66620 | 785 |
| Lecompton, KS | 66050 | 785 |
| Material Distribution Center, KS | 66624 | 785 |
| Rossville, KS | 66533 | 785 |
| Security Benefit Life, KS | 66636 | 785 |
| Silver Lake, KS | 66539 | 785 |
| Tecumseh, KS | 66542 | 785 |
| Topeka, KS | 66601 | 785 |
| 66603 | 785 | |
| 66604 | 785 | |
| 66605 | 785 | |
| 66606 | 785 | |
| 66607 | 785 | |
| 66608 | 785 | |
| 66609 | 785 | |
| 66610 | 785 | |
| 66611 | 785 | |
| 66612 | 785 | |
| 66614 | 785 | |
| 66615 | 785 | |
| 66616 | 785 | |
| 66617 | 785 | |
| 66618 | 785 | |
| 66619 | 785 | |
| 66620 | 785 | |
| 66621 | 785 | |
| 66622 | 785 | |
| 66624 | 785 | |
| 66625 | 785 | |
| 66626 | 785 | |
| 66628 | 785 | |
| 66629 | 785 | |
| 66636 | 785 | |
| 66647 | 785 | |
| 66667 | 785 | |
| 66675 | 785 | |
| 66683 | 785 | |
| 66699 | 785 | |
| V A Hospital, KS | 66622 | 785 |
| Wakarusa, KS | 66546 | 785 |