This Colorado state page of our website provides direct links to major databases and historical titles and information found on Colorado genealogy and history, whether they exist on our site, or across the web.

Free Colorado Genealogy Data

Free RootsWeb Databases

Colorado Genealogy Databases – Subscription May be Required

Ancestry is the largest provider of genealogy data online. The billions of records they provide have advanced genealogy online beyond imagination just a decade ago. The following is but a small sample of what they provide for Colorado genealogy at Ancestry. While some of these databases are free, many require a subscription. You can try a 14 day free trial and see if you can find any of your Colorado genealogy at Ancestry!

Statewide Genealogy at Ancestry

Colorado State Directories at Ancestry

 Colorado County Specific Genealogy at Ancestry

 Colorado City and Town Specific Genealogy at Ancestry

Additional Free Colorado Genealogy

United States Genealogy

United States GenWeb Project

Adams, Alamosa, Arapahoe, Archuleta, Baca, Bent, Boulder, Broomfield, Chaffee, Cheyenne, Clear Creek, Conejos, Costilla, Crowley, Custer, Delta, Denver [City & County of ], Dolores, Douglas, Eagle, Elbert, El Paso, Fremont, Garfield, Gilpin, Grand, Gunnison, Hinsdale, Huerfano, Jackson, Jefferson, Kiowa, Kit Carson, Lake, LaPlata, Larimer, Las Animas, Lincoln, Logan, Mesa, Mineral, Moffat, Montezuma, Montrose, Morgan, Otero, Ouray, Park, Phillips, Pitkin, Prowers, Pueblo, Rio Blanco, Rio Grande, Routt, Saguache, San Juan, San Miguel, Sedgwick, Summit, Teller, Washington, Weld, Yuma.

American History and Genealogy Project

Adams, Bent, Broomfield, Chaffee, Custer, Denver, Dolores, Fremont, Huerfano, Jefferson, Kiowa, Lake, Mesa, Pueblo, Pueblo 2, Weld.