The following Censuses were taken in Boulder County CO:

Year Microfilm
Roll #
Online links & Info
1860 - Pre-statehood
Nebraska/Kansas Territories.
  Boulder City, Boulder Creek Settlement, Gold Hill Settlement
1870 M593-94   
1885 - Special Census    
1880 T9-88 
T9-89
Partial Online-Magnolia District
1890   Due to a fire in the Commerce Department Building in January 1921, the 1890 Colorado Population Schedules were destroyed, as were the Special Schedules for Union Veterans and Widows.
1900 T623-121 Boulder County Population in 1900, 21,544
1910 T624-113  
1920 T625-155 T625-156  
1930 T626-230
T626-231
NARA Search
NOTE: This is not a place to view actual census records; it is a tool to assist in your search.
See also:
     NARA Census Records Information and Assistance
     Boulder Lookup Volunteers
 

This page was updated on July 20, 2011

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