| Rank | County | Income Per Household | 
                            
                                
                                    | 1 | Jefferson County, Montana | $59,284 | 
                            
                                
                                    | 2 | Richland County, Montana | $57,413 | 
                            
                                
                                    | 3 | Stillwater County, Montana | $56,652 | 
                            
                                
                                    | 4 | Lewis and Clark County, Montana | $53,053 | 
                            
                                
                                    | 5 | Dawson County, Montana | $51,761 | 
                            
                                
                                    | 6 | Gallatin County, Montana | $51,391 | 
                            
                                
                                    | 7 | McCone County, Montana | $50,774 | 
                            
                                
                                    | 8 | Yellowstone County, Montana | $50,185 | 
                            
                                
                                    | 9 | Fallon County, Montana | $49,573 | 
                            
                                
                                    | 10 | Hill County, Montana | $46,724 | 
                            
                                
                                    | 11 | Carbon County, Montana | $46,194 | 
                            
                                
                                    | 12 | Flathead County, Montana | $45,588 | 
                            
                                
                                    | 13 | Madison County, Montana | $45,242 | 
                            
                                
                                    | 14 | Toole County, Montana | $44,688 | 
                            
                                
                                    | 15 | Valley County, Montana | $44,641 | 
                            
                                
                                    | 16 | Broadwater County, Montana | $44,570 | 
                            
                                
                                    | 17 | Rosebud County, Montana | $44,449 | 
                            
                                
                                    | 18 | Cascade County, Montana | $44,074 | 
                            
                                
                                    | 19 | Missoula County, Montana | $43,895 | 
                            
                                
                                    | 20 | Ravalli County, Montana | $43,512 | 
                            
                                
                                    | 21 | Wibaux County, Montana | $43,417 | 
                            
                                
                                    | 22 | Liberty County, Montana | $42,674 | 
                            
                                
                                    | 23 | Sheridan County, Montana | $42,148 | 
                            
                                
                                    | 24 | Sweet Grass County, Montana | $41,913 | 
                            
                                
                                    | 25 | Custer County, Montana | $41,373 | 
                            
                                
                                    | 26 | Powell County, Montana | $41,347 | 
                            
                                
                                    | 27 | Park County, Montana | $41,232 | 
                            
                                
                                    | 28 | Beaverhead County, Montana | $41,226 | 
                            
                                
                                    | 29 | Chouteau County, Montana | $40,825 | 
                            
                                
                                    | 30 | Teton County, Montana | $40,811 | 
                            
                                
                                    | 31 | Glacier County, Montana | $40,109 | 
                            
                                
                                    | 32 | Judith Basin County, Montana | $40,046 | 
                            
                                
                                    | 33 | Silver Bow County, Montana | $40,030 | 
                            
                                
                                    | 34 | Powder River County, Montana | $39,091 | 
                            
                                
                                    | 35 | Phillips County, Montana | $38,958 | 
                            
                                
                                    | 36 | Pondera County, Montana | $38,852 | 
                            
                                
                                    | 37 | Blaine County, Montana | $38,721 | 
                            
                                
                                    | 38 | Musselshell County, Montana | $38,669 | 
                            
                                
                                    | 39 | Treasure County, Montana | $38,571 | 
                            
                                
                                    | 40 | Lake County, Montana | $38,268 | 
                            
                                
                                    | 41 | Granite County, Montana | $38,179 | 
                            
                                
                                    | 42 | Petroleum County, Montana | $38,162 | 
                            
                                
                                    | 43 | Roosevelt County, Montana | $37,807 | 
                            
                                
                                    | 44 | Fergus County, Montana | $37,601 | 
                            
                                
                                    | 45 | Daniels County, Montana | $37,578 | 
                            
                                
                                    | 46 | Garfield County, Montana | $37,500 | 
                            
                                
                                    | 47 | Big Horn County, Montana | $37,277 | 
                            
                                
                                    | 48 | Mineral County, Montana | $36,261 | 
                            
                                
                                    | 49 | Golden Valley County, Montana | $36,250 | 
                            
                                
                                    | 50 | Carter County, Montana | $35,121 | 
                            
                                
                                    | 51 | Prairie County, Montana | $34,440 | 
                            
                                
                                    | 52 | Deer Lodge County, Montana | $34,095 | 
                            
                                
                                    | 53 | Meagher County, Montana | $33,846 | 
                            
                                
                                    | 54 | Wheatland County, Montana | $32,331 | 
                            
                                
                                    | 55 | Lincoln County, Montana | $32,012 | 
                            
                                
                                    | 56 | Sanders County, Montana | $30,368 |