| | Daviess County | MO | 29061 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=DaviessCounty+MO |
| | DeKalb County | MO | 29063 | | St. Joseph, MO-KS 41140 | Kansas City-Overland
Park-Kansas City, MO-KS 312 | Outlying | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=DeKalbCounty+MO |
| | Dent County | MO | 29065 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=DentCounty+MO |
| | Douglas County | MO | 29067 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=DouglasCounty+MO |
| | Dunklin County | MO | 29069 | | Kennett, MO 28380 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=DunklinCounty+MO |
| | Franklin County | MO | 29071 | | St. Louis, MO-IL 41180 | St. Louis-St.
Charles-Farmington, MO-IL 476 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=FranklinCounty+MO |
| | Gasconade County | MO | 29073 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=GasconadeCounty+MO |
| | Gentry County | MO | 29075 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=GentryCounty+MO |
| | Greene County | MO | 29077 | | Springfield, MO 44180 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=GreeneCounty+Missouri |
| | Grundy County | MO | 29079 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=GrundyCounty+MO |