| Rank | County | Income Per Capita | 
                            
                                
                                    | 1 | Union County, South Dakota | $34,310 | 
                            
                                
                                    | 2 | Lincoln County, South Dakota | $33,958 | 
                            
                                
                                    | 3 | Hughes County, South Dakota | $29,628 | 
                            
                                
                                    | 4 | Haakon County, South Dakota | $29,162 | 
                            
                                
                                    | 5 | Sully County, South Dakota | $28,347 | 
                            
                                
                                    | 6 | Miner County, South Dakota | $28,097 | 
                            
                                
                                    | 7 | Stanley County, South Dakota | $27,732 | 
                            
                                
                                    | 8 | McCook County, South Dakota | $27,141 | 
                            
                                
                                    | 9 | Lawrence County, South Dakota | $26,994 | 
                            
                                
                                    | 10 | Jerauld County, South Dakota | $26,786 | 
                            
                                
                                    | 11 | Minnehaha County, South Dakota | $26,714 | 
                            
                                
                                    | 12 | Clark County, South Dakota | $26,644 | 
                            
                                
                                    | 13 | Spink County, South Dakota | $26,524 | 
                            
                                
                                    | 14 | Pennington County, South Dakota | $26,451 | 
                            
                                
                                    | 15 | Yankton County, South Dakota | $26,227 | 
                            
                                
                                    | 16 | Custer County, South Dakota | $25,525 | 
                            
                                
                                    | 17 | Jones County, South Dakota | $25,407 | 
                            
                                
                                    | 18 | Hyde County, South Dakota | $25,301 | 
                            
                                
                                    | 19 | Codington County, South Dakota | $25,215 | 
                            
                                
                                    | 20 | Kingsbury County, South Dakota | $24,954 | 
                            
                                
                                    | 21 | Potter County, South Dakota | $24,833 | 
                            
                                
                                    | 22 | Douglas County, South Dakota | $24,814 | 
                            
                                
                                    | 23 | Brown County, South Dakota | $24,671 | 
                            
                                
                                    | 24 | Edmunds County, South Dakota | $24,600 | 
                            
                                
                                    | 25 | Moody County, South Dakota | $24,596 | 
                            
                                
                                    | 26 | Walworth County, South Dakota | $24,587 | 
                            
                                
                                    | 27 | Beadle County, South Dakota | $24,567 | 
                            
                                
                                    | 28 | Deuel County, South Dakota | $24,518 | 
                            
                                
                                    | 29 | Lake County, South Dakota | $24,503 | 
                            
                                
                                    | 30 | Fall River County, South Dakota | $24,494 | 
                            
                                
                                    | 31 | Grant County, South Dakota | $24,344 | 
                            
                                
                                    | 32 | Meade County, South Dakota | $24,133 | 
                            
                                
                                    | 33 | Turner County, South Dakota | $23,660 | 
                            
                                
                                    | 34 | Hand County, South Dakota | $23,595 | 
                            
                                
                                    | 35 | Davison County, South Dakota | $23,510 | 
                            
                                
                                    | 36 | Perkins County, South Dakota | $23,325 | 
                            
                                
                                    | 37 | Hutchinson County, South Dakota | $23,305 | 
                            
                                
                                    | 38 | Hamlin County, South Dakota | $23,244 | 
                            
                                
                                    | 39 | Harding County, South Dakota | $22,717 | 
                            
                                
                                    | 40 | Campbell County, South Dakota | $22,679 | 
                            
                                
                                    | 41 | Gregory County, South Dakota | $22,550 | 
                            
                                
                                    | 42 | Faulk County, South Dakota | $22,537 | 
                            
                                
                                    | 43 | Sanborn County, South Dakota | $22,268 | 
                            
                                
                                    | 44 | Brookings County, South Dakota | $22,036 | 
                            
                                
                                    | 45 | Aurora County, South Dakota | $21,974 | 
                            
                                
                                    | 46 | Brule County, South Dakota | $21,726 | 
                            
                                
                                    | 47 | Marshall County, South Dakota | $21,367 | 
                            
                                
                                    | 48 | Bon Homme County, South Dakota | $20,975 | 
                            
                                
                                    | 49 | Tripp County, South Dakota | $20,950 | 
                            
                                
                                    | 50 | Butte County, South Dakota | $20,921 | 
                            
                                
                                    | 51 | Day County, South Dakota | $20,870 | 
                            
                                
                                    | 52 | Roberts County, South Dakota | $20,357 | 
                            
                                
                                    | 53 | Clay County, South Dakota | $20,326 | 
                            
                                
                                    | 54 | Hanson County, South Dakota | $20,085 | 
                            
                                
                                    | 55 | McPherson County, South Dakota | $19,879 | 
                            
                                
                                    | 56 | Lyman County, South Dakota | $19,322 | 
                            
                                
                                    | 57 | Charles Mix County, South Dakota | $18,150 | 
                            
                                
                                    | 58 | Bennett County, South Dakota | $17,285 | 
                            
                                
                                    | 59 | Dewey County, South Dakota | $16,410 | 
                            
                                
                                    | 60 | Jackson County, South Dakota | $15,721 | 
                            
                                
                                    | 61 | Mellette County, South Dakota | $15,429 | 
                            
                                
                                    | 62 | Corson County, South Dakota | $13,323 | 
                            
                                
                                    | 63 | Ziebach County, South Dakota | $11,677 | 
                            
                                
                                    | 64 | Todd County, South Dakota | $11,446 | 
                            
                                
                                    | 65 | Buffalo County, South Dakota | $11,162 | 
                            
                                
                                    | 66 | Shannon County, South Dakota | $7,887 |