In the links below, once you click on a link and the resulting pages are returned,  you can narrow your search by entering names in the  first and or last name fields on the left hand side of the page and then clicking on the 'Update' button.
 1880
 1885       Colorado State Census
 1900
 1910
 1920
 1930
 1940
 1950  census images at U.S. National Arhives