Colorado Archives and Libraries

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The following archives, libraries and societies in Colorado have collections or services helpful for genealogical research.

Wiki Articles on Major Repositories in Colorado[edit | edit source]

Colorado State Archives | Colorado Historical Society | Denver Public Library | University of Colorado | National Archives Rocky Mountain Region (Denver) | Family History Library

Online Resources[edit | edit source]

Colorado Archives[edit | edit source]

Colorado Division of State Archives and Public Records
1313 Sherman Street
Floor 1B, Room 20
Denver, CO 80203
Telephone: 303-866-2358 or 303-866-2390
Fax: 303-866-2257

The Colorado State Archives is endeavoring to provide on-line name indexes to many of their collections. New indexes will be added periodically. This site lists the indexes they now have on-line.

National Archives at Denver
17101 Huron Street
Broomfield, CO 80023
Telephone: 303-604-4740
Fax: 303-407-5707
National Archives at Denver/ Website 

Archival holdings are comprised of Federal records that date from the mid-1800s to the late 1900s received from over 100 Federal agencies and courts.

Colorado Genealogical Society
P.O. Box 9218
Denver, CO 80209-0218
Telephone: 303-571-1535

History Colorado, formerly Colorado Historical Society
Colorado Heritage Center
1200 Broadway
Denver, CO 80203
Telephone: 303-866-2305
Fax: 303-866-2796

History Colorado's Archives collection includes books, manuscript collections, maps, newspapers, serial publications, subject collections, indexes, and more.

Denver Public Library
Western History and Genealogy Department
10 West 14th Avenue Parkway
Denver, CO 80204
Telephone: 720-865-1821
Western History and Genealogy Blog/ Website

To learn more about the history and record-keeping systems of Colorado counties, use the 16 inventories of county archives published by the Historical Records Survey around 1940. Copies of these inventories are at the Family History Library, and most are on microfilm.Website.

Colorado Online Records[edit | edit source]

Links to online databases and indexes that may include vital records, biographies, cemeteries, censuses, histories, immigration records, land records, maps, military records, naturalizations, newspapers, obituaries, or probate records.

Websites[edit | edit source]

You can find computerized research tips and information about ancestors from Colorado in a variety of sources at local, state, national, and international levels. The list of sources is growing rapidly. Most of the information is available at no cost. Addresses on the Internet change frequently. The following sites are important gateways linking you to many more sites:

The USGenWeb Project

A cooperative effort by many volunteers to list genealogical databases, libraries, bulletin boards, and other resources available on the Internet for each county, state, and country.

Cyndi's List - United States - Colorado



The Family History Library and some Family History Centers have computers with FamilySearch™. FamilySearch is a collection of computer files containing several million names. FamilySearch is a good place to begin your research. Some of the records come from compiled sources; some have been automated from original sources.  Listing of libraries by county and city.