Colorado Census Images
| Year | County | Township | Surnames |
|---|
| 1900 | Otero | Ordway | Husted |
| 1910 | Boulder | Boulder | Boner |
| 1910 | Denver | Denver | Higdon, Wagner |
| 1910 | Phillips | | Higdon |
| 1920 | Baca | Campo | Corn, Sprout |
| 1920 | El Paso | Colorado Springs | McFarland, Miller |
| 1920 | Jefferson | Wheat Ridge | Higdon |
| 1920 | Routt | Precinct 18 | Bowman, Higdon |
| 1930 | Baca | Precinct 4 | Corn, Sprout |
| 1930 | Denver | Denver | Higdon |
| 1930 | El Paso | Colorado Springs | Bowman, Higdon |
| 1930 | Fremont | Lincoln Park | Sprout |
| 1930 | Jefferson | Columbia Heights | Blackburn, Higdon |
| 1940 | Denver | Denver | Higdon |
| 1940 | El Paso | Colorado Springs | Bowman, Higdon |
| 1940 | Gunnison | Ohio City | Sprout |
| 1940 | Jefferson | Allenger Gardens | Blackburn, Higdon |
| 1940 | Mesa | Redlands | Friend, Sprout |
| 1940 | Teller | Woodland Park | Higdon |
| 1950 | Denver | Denver | Higdon |
| 1950 | El Paso | Colorado Springs | Higdon, Mustoe |
| 1950 | Jefferson | Wheat Ridge | Higdon |
