| | Pettis County | MO | 29159 | | Sedalia, MO 42740 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=PettisCounty+MO |
| | 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 |
| | 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 |
| | Reynolds County | MO | 29179 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=ReynoldsCounty+MO |
| | Ripley County | MO | 29181 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=RipleyCounty+MO |
| | St. Clair County | MO | 29185 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=St.ClairCounty+MO |
| | Ste. Genevieve County | MO | 29186 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=Ste.GenevieveCounty+MO |