| | Phelps County | MO | 29161 | | Rolla, MO 40620 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=PhelpsCounty+MO |
| | Lewis County | MO | 29111 | | Quincy, IL-MO 39500 | Quincy-Hannibal, IL-MO 448 | Outlying | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=LewisCounty+MO |
| | Butler County | MO | 29023 | | Poplar Bluff, MO 38740 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=ButlerCounty+MO |
| | Randolph County | MO | 29175 | | Moberly, MO 33620 | Columbia-Jefferson
City-Moberly, MO 190 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=RandolphCounty+MO |
| | Audrain County | MO | 29007 | | Mexico, MO 33020 | Columbia-Jefferson
City-Moberly, MO 190 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=AudrainCounty+MO |
| | Nodaway County | MO | 29147 | | Maryville, MO 32340 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=NodawayCounty+MO |
| | Saline County | MO | 29195 | | Marshall, MO 32180 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=SalineCounty+MO |
| | Laclede County | MO | 29105 | | Lebanon, MO 30060 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=LacledeCounty+MO |
| | Adair County | MO | 29001 | | Kirksville, MO 28860 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=AdairCounty+MO |
| | Schuyler County | MO | 29197 | | Kirksville, MO 28860 | | Outlying | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=SchuylerCounty+MO |