| | Jasper County | MO | 29097 | | Joplin, MO-KS 27900 | Joplin-Miami, MO-OK-KS 309 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=JasperCounty+MO |
| | Newton County | MO | 29145 | | Joplin, MO-KS 27900 | Joplin-Miami, MO-OK-KS 309 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=NewtonCounty+MO |
| | Callaway County | MO | 29027 | | Jefferson City, MO 27620 | Columbia-Jefferson
City-Moberly, MO 190 | Outlying | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=CallawayCounty+MO |
| | Cole County | MO | 29051 | | Jefferson City, MO 27620 | Columbia-Jefferson
City-Moberly, MO 190 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=ColeCounty+MO |
| | Moniteau County | MO | 29135 | | Jefferson City, MO 27620 | Columbia-Jefferson
City-Moberly, MO 190 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=MoniteauCounty+MO |
| | Osage County | MO | 29151 | | Jefferson City, MO 27620 | Columbia-Jefferson
City-Moberly, MO 190 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=OsageCounty+MO |
| | Marion County | MO | 29127 | | Hannibal, MO 25300 | Quincy-Hannibal, IL-MO 448 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=MarionCounty+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 |
| | Pulaski County | MO | 29169 | | Fort Leonard Wood, MO 22780 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=PulaskiCounty+MO |
| | St. Francois County | MO | 29187 | | Farmington, MO 22100 | St. Louis-St.
Charles-Farmington, MO-IL 476 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=St.FrancoisCounty+MO |