Colorado State Archives

The Colorado State Archives provides an excellent library of genealogy records.

Colorado State Archives 1313 Sherman, Room 1B20 Denver, Colorado 80203

Phone: (303) 866-2358

Visit Website: http://www.colorado.gov/dpa/doit/archives/

Online Archives Search
The Colorado State Archives Search is an online database that is searchable by name, record type, and time span. It is not an index of ALL the records held by the Colorado State Archives. There are many records available for your research needs that are not searchable online. There are fees for record copies mailed to you, etc. Lists below show the many records available. To search this online database, click here.

Frequently Requested Sites

Civilian Conservation Corps (CCC) Enrollment Index (Colorado Only) Colorado State Penitentiary Index 1871-1973 Divorce Index (Statewide) 1880 - 1939 Historic Mine Report Files Index Municipal Incorporations Territorial Incorporations

Unique Indexes

1866 Denver/Auraria City Directory Amache Japanese Internment Camp Teachers List (1942-1945) Arapahoe County Voter Registrations (1893-1905) Colorado Business Trademarks Gilpin County District Court Appointments &amp; Oaths (1861-1882) Gilpin County Chancery Cases (1862-1878) Kit Carson County Death Register (1893-1907) Kit Carson County Land Registrations (1913-1939) La Plata County Works Progress Administration Employment Case Files Supreme Court Bar Admissions

Mothers' Compensation

Boulder County (1914-1934) Larimer County (1920-1933) Morgan County (1935)

Birth Records

Boulder County Birth Index (1892 - 1906) Denver Birth Index (1875 - 1909) Elbert County Birth Index (1869 - 1906) Kit Carson County Birth Report Register (1892 - 1907) Lake County Births to 1909

Old Age Pension Records 

Adams County (1933-1936) Arapahoe County (1933-1936) Boulder County (1933-1936) Clear Creek County (1933 - 1935) Denver County (1933-1936) Douglas County (1933-1936) Elbert County (1933-1936) El Paso County (1933-1936) Fremont County (1933 - 1936) Kit Carson County (1933-1936) Larimer County (1933 - 1936) Las Animas County (1933 - 1936) Lincoln County (1933-1937) Mineral County (1935-1936) Morgan County (1933-1936) Prowers County (1933 - 1936) Routt County (1933-1936) San Miguel County (1934) Weld County (1931)

Poor Records 

Arapahoe County (1895-1899) Costilla County (1890-1932) Huerfano County (1916-1923) Saguache County (1915 - 1926) Washington County Pauper Record (1896 - 1897) Weld County (1902-1913)

Probate Files

Boulder County (1862 - 1900) Chaffee County (1878 - 1979) Costilla County (1876-1914) Custer County (1879 - 1989) Douglas County (1865 - 1962) Eagle County (1884-1935) Elbert County Inheritance Proceedings (1922 - 1941) El Paso County (1880 - 1969) Gilpin County Probate Court Civil Case Filings (1874 - 1892) Jefferson County (1862 - 1977) Lincoln County (1890-1931) Mesa County (1883-1900) Mineral County (1894 - 1970) Montrose County (1883 – 1939) Morgan County (1890 - 1964) Ouray County (1878 - 1919) Pitkin County (1881-1953) Pueblo County (1862 - 1961) Rio Grande County (1874 – 1921) Summit County (1877 - 1916)

Colorado County Will Records

Adams County (1903-1938) Clear Creek County (1881-1947) (1950-1964) Custer County (1887-1966) Douglas County (1886-1961) Elbert County (1887-1966) Park County (1892-1925) Routt County (1888-1905) Teller County (1894 - 1971)

Inheritance Tax Record Indexes

Adams County (1929-1943) Boulder County (1941-1943) Conejos County (1918-1923) Custer County (1907-1946) Denver County (1909-1912) Douglas County (1911-1944) Fremont County (1913-1943) Garfield County (1909-1919 &amp; 1926-1942) Gilpin County (1910-1922) Huerfano County (1940-1946) Jefferson County (1913-1945) Logan County (1913-1942) Mesa County (1920-1934) Moffat County (1920-1943) Pitkin County (1938-1956) Routt County (1918-1923)

Military

Colorado Civil War Casualties Colorado Volunteers Transcript of Record Index (1861-1865) Colorado Volunteers in the New Mexico Campaign (1862) Colorado Volunteers in the Spanish American War Colorado Veterans Grave Registration Index Conejos County WWII Enlistments Denver War Risk Insurance Applicants (1916-1919) Vietnam War Casualties - June-December 1966 &amp; January-December 1968 WWI Civilian Service Questionnaires - (1917-1922)

Marriage and Divorce

Colorado Marriage Records (list of record types in our custody by county) Denver Marriage Certificates + Index (scanned) 1861-1868 Gilpin County Marriages (1864-1944) Colorado County Divorce Records Adams County Divorces (1904-1913) Bent County Divorces (1907-1919) Boulder County Divorces (1904-1912) Conejos County Divorces (1899-1915) Elbert County Divorces (1870 - 1910) El Paso County Divorces (1903-1941) Garfield County Divorces (1906-1916) Mesa County Divorces (1950 - 1970) Park County Divorces (1957-1974) Pitkin County Divorces (1931-1964)

Federal Census (Colorado)

1870 Federal Census Index Colorado 1900 Census Indian Industrial Schools Index

School

Adams County Teacher Certificates Issued (1913-1935) Arapahoe County Teachers Cards 1953 Chaffee County Teacher Certificate Register (1879 - 1889) Clear Creek County School Census Crowley County Superintendent of Schools Teaching Certificates Endorsed Dolores County Teacher Certificates Issued (1881 - 1923) Custer County School Census Elbert County 8th Grade Promotions (1918-1930) El Paso County School Census (1910, 1911, 1920) Huerfano County School Census (1913 - 1915, 1919) Lake County School Census Logan County School Census (1915 - 1920) Pitkin County School Census (1896, 1898) Rio Grande County Teacher Certificates (1874-1893) Rio Grande School Census (1917- 1918) Routt County School Census (1910 - 1920) Saguache County Teacher Certificate Registers (1894 - 1914) School Districts (list of districts within counties)

Water

Arkansas River Water Diversions Ditch Claim Statements Link to Colorado River Compact 1922 Water Decrees and Transfers in Water Division 1 (1899-1926)