| Rank | County | Income Per Household | 
                            
                                
                                    | 1 | Lincoln County, South Dakota | $70,043 | 
                            
                                
                                    | 2 | Union County, South Dakota | $63,773 | 
                            
                                
                                    | 3 | Hughes County, South Dakota | $58,082 | 
                            
                                
                                    | 4 | Stanley County, South Dakota | $55,679 | 
                            
                                
                                    | 5 | Minnehaha County, South Dakota | $52,758 | 
                            
                                
                                    | 6 | Yankton County, South Dakota | $51,680 | 
                            
                                
                                    | 7 | Sully County, South Dakota | $51,429 | 
                            
                                
                                    | 8 | Jones County, South Dakota | $50,795 | 
                            
                                
                                    | 9 | Turner County, South Dakota | $50,143 | 
                            
                                
                                    | 10 | Haakon County, South Dakota | $49,432 | 
                            
                                
                                    | 11 | Moody County, South Dakota | $49,016 | 
                            
                                
                                    | 12 | Pennington County, South Dakota | $48,378 | 
                            
                                
                                    | 13 | Brule County, South Dakota | $48,170 | 
                            
                                
                                    | 14 | Custer County, South Dakota | $48,125 | 
                            
                                
                                    | 15 | Edmunds County, South Dakota | $48,039 | 
                            
                                
                                    | 16 | Spink County, South Dakota | $47,983 | 
                            
                                
                                    | 17 | Hamlin County, South Dakota | $47,771 | 
                            
                                
                                    | 18 | Hanson County, South Dakota | $47,700 | 
                            
                                
                                    | 19 | Meade County, South Dakota | $47,504 | 
                            
                                
                                    | 20 | Brown County, South Dakota | $47,327 | 
                            
                                
                                    | 21 | Kingsbury County, South Dakota | $47,152 | 
                            
                                
                                    | 22 | McCook County, South Dakota | $46,964 | 
                            
                                
                                    | 23 | Harding County, South Dakota | $46,797 | 
                            
                                
                                    | 24 | Sanborn County, South Dakota | $46,736 | 
                            
                                
                                    | 25 | Lake County, South Dakota | $46,412 | 
                            
                                
                                    | 26 | Aurora County, South Dakota | $46,205 | 
                            
                                
                                    | 27 | Deuel County, South Dakota | $46,186 | 
                            
                                
                                    | 28 | Brookings County, South Dakota | $46,101 | 
                            
                                
                                    | 29 | Douglas County, South Dakota | $45,957 | 
                            
                                
                                    | 30 | Clark County, South Dakota | $45,844 | 
                            
                                
                                    | 31 | Potter County, South Dakota | $45,682 | 
                            
                                
                                    | 32 | Lawrence County, South Dakota | $45,137 | 
                            
                                
                                    | 33 | Codington County, South Dakota | $44,672 | 
                            
                                
                                    | 34 | Davison County, South Dakota | $44,597 | 
                            
                                
                                    | 35 | Grant County, South Dakota | $44,444 | 
                            
                                
                                    | 36 | Hand County, South Dakota | $44,375 | 
                            
                                
                                    | 37 | Hyde County, South Dakota | $43,906 | 
                            
                                
                                    | 38 | Jerauld County, South Dakota | $43,705 | 
                            
                                
                                    | 39 | Bon Homme County, South Dakota | $43,456 | 
                            
                                
                                    | 40 | Hutchinson County, South Dakota | $42,386 | 
                            
                                
                                    | 41 | Miner County, South Dakota | $42,361 | 
                            
                                
                                    | 42 | Marshall County, South Dakota | $41,731 | 
                            
                                
                                    | 43 | Roberts County, South Dakota | $41,483 | 
                            
                                
                                    | 44 | Lyman County, South Dakota | $41,389 | 
                            
                                
                                    | 45 | Butte County, South Dakota | $41,145 | 
                            
                                
                                    | 46 | Walworth County, South Dakota | $40,879 | 
                            
                                
                                    | 47 | Tripp County, South Dakota | $40,609 | 
                            
                                
                                    | 48 | Beadle County, South Dakota | $40,455 | 
                            
                                
                                    | 49 | Campbell County, South Dakota | $40,385 | 
                            
                                
                                    | 50 | Day County, South Dakota | $40,335 | 
                            
                                
                                    | 51 | Faulk County, South Dakota | $40,125 | 
                            
                                
                                    | 52 | Clay County, South Dakota | $39,118 | 
                            
                                
                                    | 53 | Jackson County, South Dakota | $38,581 | 
                            
                                
                                    | 54 | Charles Mix County, South Dakota | $36,757 | 
                            
                                
                                    | 55 | Perkins County, South Dakota | $36,042 | 
                            
                                
                                    | 56 | Gregory County, South Dakota | $35,975 | 
                            
                                
                                    | 57 | McPherson County, South Dakota | $35,065 | 
                            
                                
                                    | 58 | Fall River County, South Dakota | $34,948 | 
                            
                                
                                    | 59 | Bennett County, South Dakota | $34,500 | 
                            
                                
                                    | 60 | Mellette County, South Dakota | $34,013 | 
                            
                                
                                    | 61 | Dewey County, South Dakota | $30,645 | 
                            
                                
                                    | 62 | Corson County, South Dakota | $28,506 | 
                            
                                
                                    | 63 | Buffalo County, South Dakota | $28,493 | 
                            
                                
                                    | 64 | Ziebach County, South Dakota | $27,917 | 
                            
                                
                                    | 65 | Todd County, South Dakota | $27,431 | 
                            
                                
                                    | 66 | Shannon County, South Dakota | $25,228 |