MSA 1 Core Counties - St. Louis City, St. Louis County, St. Charles
MSA 1 Non-Core Counties -Jefferson, Franklin, Washington, Lincoln, Warren
MSA 2 Core Counties - Jackson, Clay, Platte
MSA 2 Non-Core Counties - Clinton, Caldwell, Ray, Lafayette, Cass, Bates
MSA 3 Core County - Greene
MSA 3 Non-Core Counties - Christian, Webster, Polk, Dallas
MSA 4 Core Counties - Jasper, Newton
MSA 5 Core County - Boone
MSA 5 Non-Core County - Howard
MSA 6 Core County - Buchanan
MSA 6 Non-Core Counties - Dekalb, Andrew
MSA 7 Core County - Cole
MSA 7 Non-Core Counties - Callaway, Moniteau, Osage
Micropoliton Counties - Adair, Audrain, Bollinger, Butler, Cape Girardeau, Clark, Dunklin, Howell, Johnson, Laclede, Lewis, Marion, Nodaway, Pettis,Phelps, Pulaski, Ralls, Randolph, Saline, Schuyler, Scott, St. Francois, Stone, Taney