| | Clay County | MO | 29047 | | Kansas City, MO-KS 28140 | Kansas City-Overland
Park-Kansas City, MO-KS 312 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=ClayCounty+MO |
| | Clinton County | MO | 29049 | | Kansas City, MO-KS 28140 | Kansas City-Overland
Park-Kansas City, MO-KS 312 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=ClintonCounty+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 |
| | Dallas County | MO | 29059 | | Springfield, MO 44180 | | Outlying | metro county (urban) | farm-dependent | https://maps.google.com/?q=DallasCounty+Missouri |
| | 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 |
| | 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 |
| | Greene County | MO | 29077 | | Springfield, MO 44180 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=GreeneCounty+Missouri |
| | Jackson County | MO | 29095 | | Kansas City, MO-KS 28140 | Kansas City-Overland
Park-Kansas City, MO-KS 312 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=JacksonCounty+MO |
| | 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 |
| | Jefferson County | MO | 29099 | | St. Louis, MO-IL 41180 | St. Louis-St.
Charles-Farmington, MO-IL 476 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=JeffersonCounty+MO |