Image Douglas County Census 1885


The Castle Rock Colorado Genealogical Society welcomes all who have an interest in genealogy, whether beginners or experienced researchers. Colorado ancestry is not a requirement. Membership benefits include multiple monthly educational programs and events, a weekly email newsletter, membership directory, and access to knowledge and expertise of other researchers. Let us help you discover your ancestors and unlock their stories!

Membership Application

Download our CRCGS Membership Application, which you may complete and mail along with your dues or bring to the next CRCGS event.