| | Phelps County | MO | 29161 | | Rolla, MO 40620 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=PhelpsCounty+MO |
| | Pike County | MO | 29163 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=PikeCounty+MO |
| | Platte County | MO | 29165 | | Kansas City, MO-KS 28140 | Kansas City-Overland
Park-Kansas City, MO-KS 312 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=PlatteCounty+MO |
| | Polk County | MO | 29167 | | Springfield, MO 44180 | | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=PolkCounty+Missouri |
| | Pulaski County | MO | 29169 | | Fort Leonard Wood, MO 22780 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=PulaskiCounty+MO |
| | Putnam County | MO | 29171 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=PutnamCounty+MO |
| | Ralls County | MO | 29173 | | Hannibal, MO 25300 | Quincy-Hannibal, IL-MO 448 | Outlying | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=RallsCounty+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 |
| | Ray County | MO | 29177 | | Kansas City, MO-KS 28140 | Kansas City-Overland
Park-Kansas City, MO-KS 312 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=RayCounty+MO |
| | Reynolds County | MO | 29179 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=ReynoldsCounty+MO |