| Rank | County | Income Per Capita | 
                            
                                
                                    | 1 | Madison County, Montana | $33,892 | 
                            
                                
                                    | 2 | Richland County, Montana | $29,490 | 
                            
                                
                                    | 3 | Jefferson County, Montana | $28,865 | 
                            
                                
                                    | 4 | Sheridan County, Montana | $27,924 | 
                            
                                
                                    | 5 | Gallatin County, Montana | $27,769 | 
                            
                                
                                    | 6 | Stillwater County, Montana | $27,460 | 
                            
                                
                                    | 7 | Yellowstone County, Montana | $27,273 | 
                            
                                
                                    | 8 | Lewis and Clark County, Montana | $27,121 | 
                            
                                
                                    | 9 | Fallon County, Montana | $26,646 | 
                            
                                
                                    | 10 | Granite County, Montana | $26,138 | 
                            
                                
                                    | 11 | Carbon County, Montana | $25,943 | 
                            
                                
                                    | 12 | Dawson County, Montana | $25,675 | 
                            
                                
                                    | 13 | Daniels County, Montana | $25,496 | 
                            
                                
                                    | 14 | Missoula County, Montana | $25,418 | 
                            
                                
                                    | 15 | Flathead County, Montana | $25,317 | 
                            
                                
                                    | 16 | McCone County, Montana | $25,169 | 
                            
                                
                                    | 17 | Ravalli County, Montana | $24,641 | 
                            
                                
                                    | 18 | Powder River County, Montana | $24,637 | 
                            
                                
                                    | 19 | Park County, Montana | $24,466 | 
                            
                                
                                    | 20 | Valley County, Montana | $24,128 | 
                            
                                
                                    | 21 | Fergus County, Montana | $23,877 | 
                            
                                
                                    | 22 | Phillips County, Montana | $23,840 | 
                            
                                
                                    | 23 | Judith Basin County, Montana | $23,710 | 
                            
                                
                                    | 24 | Cascade County, Montana | $23,554 | 
                            
                                
                                    | 25 | Wibaux County, Montana | $23,157 | 
                            
                                
                                    | 26 | Toole County, Montana | $23,123 | 
                            
                                
                                    | 27 | Custer County, Montana | $22,858 | 
                            
                                
                                    | 28 | Sweet Grass County, Montana | $22,838 | 
                            
                                
                                    | 29 | Treasure County, Montana | $22,524 | 
                            
                                
                                    | 30 | Garfield County, Montana | $22,306 | 
                            
                                
                                    | 31 | Silver Bow County, Montana | $22,249 | 
                            
                                
                                    | 32 | Beaverhead County, Montana | $22,216 | 
                            
                                
                                    | 33 | Musselshell County, Montana | $22,193 | 
                            
                                
                                    | 34 | Teton County, Montana | $21,834 | 
                            
                                
                                    | 35 | Prairie County, Montana | $21,832 | 
                            
                                
                                    | 36 | Hill County, Montana | $21,618 | 
                            
                                
                                    | 37 | Liberty County, Montana | $21,236 | 
                            
                                
                                    | 38 | Pondera County, Montana | $21,101 | 
                            
                                
                                    | 39 | Deer Lodge County, Montana | $20,887 | 
                            
                                
                                    | 40 | Carter County, Montana | $20,844 | 
                            
                                
                                    | 41 | Rosebud County, Montana | $20,758 | 
                            
                                
                                    | 42 | Broadwater County, Montana | $20,706 | 
                            
                                
                                    | 43 | Chouteau County, Montana | $20,706 | 
                            
                                
                                    | 44 | Lincoln County, Montana | $20,526 | 
                            
                                
                                    | 45 | Golden Valley County, Montana | $20,363 | 
                            
                                
                                    | 46 | Lake County, Montana | $20,161 | 
                            
                                
                                    | 47 | Petroleum County, Montana | $19,873 | 
                            
                                
                                    | 48 | Mineral County, Montana | $18,974 | 
                            
                                
                                    | 49 | Wheatland County, Montana | $18,641 | 
                            
                                
                                    | 50 | Powell County, Montana | $18,387 | 
                            
                                
                                    | 51 | Sanders County, Montana | $18,292 | 
                            
                                
                                    | 52 | Meagher County, Montana | $18,147 | 
                            
                                
                                    | 53 | Glacier County, Montana | $17,779 | 
                            
                                
                                    | 54 | Roosevelt County, Montana | $17,433 | 
                            
                                
                                    | 55 | Blaine County, Montana | $17,287 | 
                            
                                
                                    | 56 | Big Horn County, Montana | $14,827 |