| Rank | County | Percentage of Seniors | 
                            
                                
                                    | 1 | Sierra County, New Mexico | 32.0% | 
                            
                                
                                    | 2 | Catron County, New Mexico | 31.7% | 
                            
                                
                                    | 3 | Harding County, New Mexico | 29.4% | 
                            
                                
                                    | 4 | De Baca County, New Mexico | 24.2% | 
                            
                                
                                    | 5 | Lincoln County, New Mexico | 24.2% | 
                            
                                
                                    | 6 | Grant County, New Mexico | 22.7% | 
                            
                                
                                    | 7 | Quay County, New Mexico | 22.2% | 
                            
                                
                                    | 8 | Colfax County, New Mexico | 21.8% | 
                            
                                
                                    | 9 | Mora County, New Mexico | 20.8% | 
                            
                                
                                    | 10 | Luna County, New Mexico | 20.0% | 
                            
                                
                                    | 11 | Taos County, New Mexico | 19.6% | 
                            
                                
                                    | 12 | Union County, New Mexico | 19.4% | 
                            
                                
                                    | 13 | Hidalgo County, New Mexico | 17.7% | 
                            
                                
                                    | 14 | Guadalupe County, New Mexico | 17.3% | 
                            
                                
                                    | 15 | Santa Fe County, New Mexico | 17.2% | 
                            
                                
                                    | 16 | San Miguel County, New Mexico | 16.7% | 
                            
                                
                                    | 17 | Torrance County, New Mexico | 16.2% | 
                            
                                
                                    | 18 | Los Alamos County, New Mexico | 15.8% | 
                            
                                
                                    | 19 | Rio Arriba County, New Mexico | 15.4% | 
                            
                                
                                    | 20 | Socorro County, New Mexico | 15.4% | 
                            
                                
                                    | 21 | Otero County, New Mexico | 15.3% | 
                            
                                
                                    | 22 | Chaves County, New Mexico | 14.3% | 
                            
                                
                                    | 23 | Eddy County, New Mexico | 14.2% | 
                            
                                
                                    | 24 | Valencia County, New Mexico | 13.9% | 
                            
                                
                                    | 25 | Sandoval County, New Mexico | 13.5% | 
                            
                                
                                    | 26 | Cibola County, New Mexico | 13.4% | 
                            
                                
                                    | 27 | Bernalillo County, New Mexico | 13.1% | 
                            
                                
                                    | 28 | Dona Ana County, New Mexico | 13.0% | 
                            
                                
                                    | 29 | Roosevelt County, New Mexico | 11.8% | 
                            
                                
                                    | 30 | San Juan County, New Mexico | 11.7% | 
                            
                                
                                    | 31 | Curry County, New Mexico | 11.4% | 
                            
                                
                                    | 32 | Lea County, New Mexico | 10.7% | 
                            
                                
                                    | 33 | McKinley County, New Mexico | 10.0% |