| | Riley County | KS | 20161 | | Manhattan, KS 31740 | | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=RileyCounty+Kansas |
| | Rooks County | KS | 20163 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=RooksCounty+KS |
| | Rush County | KS | 20165 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=RushCounty+KS |
| | Russell County | KS | 20167 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=RussellCounty+KS |
| | Saline County | KS | 20169 | | Salina, KS 41460 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=SalineCounty+KS |
| | Scott County | KS | 20171 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=ScottCounty+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 |
| | Seward County | KS | 20175 | | Liberal, KS 30580 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=SewardCounty+KS |
| | Shawnee County | KS | 20177 | | Topeka, KS 45820 | | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=ShawneeCounty+KS |
| | Sheridan County | KS | 20179 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=SheridanCounty+KS |