| Rank | County | People Below The Poverty Rate | 
                            
                                
                                    | 1 | Shannon County, South Dakota | 53.5% | 
                            
                                
                                    | 2 | Todd County, South Dakota | 48.4% | 
                            
                                
                                    | 3 | Ziebach County, South Dakota | 43.5% | 
                            
                                
                                    | 4 | Buffalo County, South Dakota | 40.8% | 
                            
                                
                                    | 5 | Corson County, South Dakota | 38.8% | 
                            
                                
                                    | 6 | Bennett County, South Dakota | 35.5% | 
                            
                                
                                    | 7 | Mellette County, South Dakota | 34.2% | 
                            
                                
                                    | 8 | Jackson County, South Dakota | 31.8% | 
                            
                                
                                    | 9 | Dewey County, South Dakota | 30.3% | 
                            
                                
                                    | 10 | Clay County, South Dakota | 24.3% | 
                            
                                
                                    | 11 | Charles Mix County, South Dakota | 24.1% | 
                            
                                
                                    | 12 | Roberts County, South Dakota | 21.2% | 
                            
                                
                                    | 13 | Marshall County, South Dakota | 19.6% | 
                            
                                
                                    | 14 | McPherson County, South Dakota | 19.3% | 
                            
                                
                                    | 15 | Brookings County, South Dakota | 18.8% | 
                            
                                
                                    | 16 | Tripp County, South Dakota | 18.6% | 
                            
                                
                                    | 17 | Lyman County, South Dakota | 17.7% | 
                            
                                
                                    | 18 | Day County, South Dakota | 16.7% | 
                            
                                
                                    | 19 | Faulk County, South Dakota | 16.5% | 
                            
                                
                                    | 20 | Clark County, South Dakota | 15.7% | 
                            
                                
                                    | 21 | Hanson County, South Dakota | 15.1% | 
                            
                                
                                    | 22 | Gregory County, South Dakota | 15.1% | 
                            
                                
                                    | 23 | Butte County, South Dakota | 15.0% | 
                            
                                
                                    | 24 | Fall River County, South Dakota | 14.2% | 
                            
                                
                                    | 25 | Lawrence County, South Dakota | 14.1% | 
                            
                                
                                    | 26 | Hand County, South Dakota | 14.0% | 
                            
                                
                                    | 27 | Spink County, South Dakota | 13.9% | 
                            
                                
                                    | 28 | Walworth County, South Dakota | 13.7% | 
                            
                                
                                    | 29 | Sanborn County, South Dakota | 13.6% | 
                            
                                
                                    | 30 | Perkins County, South Dakota | 13.5% | 
                            
                                
                                    | 31 | Lake County, South Dakota | 13.1% | 
                            
                                
                                    | 32 | Pennington County, South Dakota | 13.1% | 
                            
                                
                                    | 33 | Codington County, South Dakota | 13.0% | 
                            
                                
                                    | 34 | Beadle County, South Dakota | 12.8% | 
                            
                                
                                    | 35 | Harding County, South Dakota | 12.8% | 
                            
                                
                                    | 36 | Grant County, South Dakota | 12.6% | 
                            
                                
                                    | 37 | Edmunds County, South Dakota | 12.4% | 
                            
                                
                                    | 38 | Bon Homme County, South Dakota | 12.1% | 
                            
                                
                                    | 39 | Meade County, South Dakota | 12.1% | 
                            
                                
                                    | 40 | Davison County, South Dakota | 12.0% | 
                            
                                
                                    | 41 | Hutchinson County, South Dakota | 11.8% | 
                            
                                
                                    | 42 | Stanley County, South Dakota | 11.5% | 
                            
                                
                                    | 43 | Douglas County, South Dakota | 11.3% | 
                            
                                
                                    | 44 | Haakon County, South Dakota | 11.3% | 
                            
                                
                                    | 45 | Campbell County, South Dakota | 11.2% | 
                            
                                
                                    | 46 | Jerauld County, South Dakota | 11.1% | 
                            
                                
                                    | 47 | Potter County, South Dakota | 10.7% | 
                            
                                
                                    | 48 | Jones County, South Dakota | 10.6% | 
                            
                                
                                    | 49 | Hyde County, South Dakota | 10.5% | 
                            
                                
                                    | 50 | Yankton County, South Dakota | 10.4% | 
                            
                                
                                    | 51 | Minnehaha County, South Dakota | 10.3% | 
                            
                                
                                    | 52 | Moody County, South Dakota | 9.9% | 
                            
                                
                                    | 53 | Brown County, South Dakota | 9.7% | 
                            
                                
                                    | 54 | Hughes County, South Dakota | 9.7% | 
                            
                                
                                    | 55 | Custer County, South Dakota | 9.4% | 
                            
                                
                                    | 56 | Brule County, South Dakota | 9.4% | 
                            
                                
                                    | 57 | Kingsbury County, South Dakota | 9.0% | 
                            
                                
                                    | 58 | Aurora County, South Dakota | 7.9% | 
                            
                                
                                    | 59 | Miner County, South Dakota | 7.8% | 
                            
                                
                                    | 60 | Turner County, South Dakota | 7.3% | 
                            
                                
                                    | 61 | Hamlin County, South Dakota | 7.3% | 
                            
                                
                                    | 62 | Sully County, South Dakota | 7.2% | 
                            
                                
                                    | 63 | McCook County, South Dakota | 7.1% | 
                            
                                
                                    | 64 | Deuel County, South Dakota | 5.4% | 
                            
                                
                                    | 65 | Lincoln County, South Dakota | 5.1% | 
                            
                                
                                    | 66 | Union County, South Dakota | 4.9% |