| Rank | County | Private Non-Farm Establishments | 
                            
                                
                                    | 1 | Minnehaha County, South Dakota | 5,366 | 
                            
                                
                                    | 2 | Pennington County, South Dakota | 3,577 | 
                            
                                
                                    | 3 | Brown County, South Dakota | 1,320 | 
                            
                                
                                    | 4 | Lincoln County, South Dakota | 1,124 | 
                            
                                
                                    | 5 | Codington County, South Dakota | 1,092 | 
                            
                                
                                    | 6 | Lawrence County, South Dakota | 992 | 
                            
                                
                                    | 7 | Brookings County, South Dakota | 854 | 
                            
                                
                                    | 8 | Davison County, South Dakota | 737 | 
                            
                                
                                    | 9 | Yankton County, South Dakota | 730 | 
                            
                                
                                    | 10 | Hughes County, South Dakota | 675 | 
                            
                                
                                    | 11 | Meade County, South Dakota | 674 | 
                            
                                
                                    | 12 | Beadle County, South Dakota | 572 | 
                            
                                
                                    | 13 | Union County, South Dakota | 482 | 
                            
                                
                                    | 14 | Lake County, South Dakota | 348 | 
                            
                                
                                    | 15 | Clay County, South Dakota | 314 | 
                            
                                
                                    | 16 | Butte County, South Dakota | 298 | 
                            
                                
                                    | 17 | Grant County, South Dakota | 285 | 
                            
                                
                                    | 18 | Charles Mix County, South Dakota | 280 | 
                            
                                
                                    | 19 | Custer County, South Dakota | 269 | 
                            
                                
                                    | 20 | Turner County, South Dakota | 251 | 
                            
                                
                                    | 21 | Hutchinson County, South Dakota | 238 | 
                            
                                
                                    | 22 | Roberts County, South Dakota | 228 | 
                            
                                
                                    | 23 | Fall River County, South Dakota | 224 | 
                            
                                
                                    | 24 | Tripp County, South Dakota | 218 | 
                            
                                
                                    | 25 | Brule County, South Dakota | 209 | 
                            
                                
                                    | 26 | Walworth County, South Dakota | 206 | 
                            
                                
                                    | 27 | Spink County, South Dakota | 184 | 
                            
                                
                                    | 28 | McCook County, South Dakota | 180 | 
                            
                                
                                    | 29 | Gregory County, South Dakota | 178 | 
                            
                                
                                    | 30 | Bon Homme County, South Dakota | 174 | 
                            
                                
                                    | 31 | Day County, South Dakota | 173 | 
                            
                                
                                    | 32 | Kingsbury County, South Dakota | 167 | 
                            
                                
                                    | 33 | Moody County, South Dakota | 158 | 
                            
                                
                                    | 34 | Hamlin County, South Dakota | 157 | 
                            
                                
                                    | 35 | Marshall County, South Dakota | 146 | 
                            
                                
                                    | 36 | Perkins County, South Dakota | 135 | 
                            
                                
                                    | 37 | Deuel County, South Dakota | 132 | 
                            
                                
                                    | 38 | Edmunds County, South Dakota | 124 | 
                            
                                
                                    | 39 | Hand County, South Dakota | 120 | 
                            
                                
                                    | 40 | Potter County, South Dakota | 109 | 
                            
                                
                                    | 41 | Clark County, South Dakota | 108 | 
                            
                                
                                    | 42 | Dewey County, South Dakota | 105 | 
                            
                                
                                    | 43 | Stanley County, South Dakota | 104 | 
                            
                                
                                    | 44 | Douglas County, South Dakota | 104 | 
                            
                                
                                    | 45 | Aurora County, South Dakota | 89 | 
                            
                                
                                    | 46 | Haakon County, South Dakota | 85 | 
                            
                                
                                    | 47 | Miner County, South Dakota | 78 | 
                            
                                
                                    | 48 | McPherson County, South Dakota | 77 | 
                            
                                
                                    | 49 | Jerauld County, South Dakota | 77 | 
                            
                                
                                    | 50 | Lyman County, South Dakota | 72 | 
                            
                                
                                    | 51 | Faulk County, South Dakota | 68 | 
                            
                                
                                    | 52 | Bennett County, South Dakota | 67 | 
                            
                                
                                    | 53 | Sanborn County, South Dakota | 64 | 
                            
                                
                                    | 54 | Sully County, South Dakota | 64 | 
                            
                                
                                    | 55 | Shannon County, South Dakota | 62 | 
                            
                                
                                    | 56 | Hanson County, South Dakota | 59 | 
                            
                                
                                    | 57 | Jones County, South Dakota | 55 | 
                            
                                
                                    | 58 | Campbell County, South Dakota | 52 | 
                            
                                
                                    | 59 | Todd County, South Dakota | 52 | 
                            
                                
                                    | 60 | Jackson County, South Dakota | 43 | 
                            
                                
                                    | 61 | Hyde County, South Dakota | 41 | 
                            
                                
                                    | 62 | Harding County, South Dakota | 38 | 
                            
                                
                                    | 63 | Corson County, South Dakota | 37 | 
                            
                                
                                    | 64 | Mellette County, South Dakota | 25 | 
                            
                                
                                    | 65 | Ziebach County, South Dakota | 17 | 
                            
                                
                                    | 66 | Buffalo County, South Dakota | 10 |