| | Stevens County | KS | 20189 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=StevensCounty+KS |
| | Stanton County | KS | 20187 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=StantonCounty+KS |
| | Stafford County | KS | 20185 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=StaffordCounty+KS |
| | Smith County | KS | 20183 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=SmithCounty+KS |
| | Sherman County | KS | 20181 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=ShermanCounty+KS |
| | Sheridan County | KS | 20179 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=SheridanCounty+KS |
| | Shawnee County | KS | 20177 | | Topeka, KS 45820 | | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=ShawneeCounty+KS |
| | Seward County | KS | 20175 | | Liberal, KS 30580 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=SewardCounty+KS |
| | Sedgwick County | KS | 20173 | | Wichita, KS 48620 | Wichita-Arkansas
City-Winfield, KS 556 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=SedgwickCounty+KS |
| | Scott County | KS | 20171 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=ScottCounty+KS |