| | Saline County | KS | 20169 | | Salina, KS 41460 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=SalineCounty+KS |
| | Russell County | KS | 20167 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=RussellCounty+KS |
| | Rush County | KS | 20165 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=RushCounty+KS |
| | Rooks County | KS | 20163 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=RooksCounty+KS |
| | Riley County | KS | 20161 | | Manhattan, KS 31740 | | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=RileyCounty+Kansas |
| | Rice County | KS | 20159 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=RiceCounty+KS |
| | Republic County | KS | 20157 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=RepublicCounty+KS |
| | Reno County | KS | 20155 | | Hutchinson, KS 26740 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=RenoCounty+KS |
| | Rawlins County | KS | 20153 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=RawlinsCounty+KS |
| | Pratt County | KS | 20151 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=PrattCounty+KS |