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Summit County, Colorado Genealogy

Guide to Summit County, Colorado ancestry, genealogy and family history, birth records, marriage records, death records, census records, family history, and military records.

County Facts
County seat: Breckenridge
Organized: November 1, 1861
Parent County(s): Original county[1]
Neighboring Counties
Clear Creek  • Eagle  • Grand  • Lake  • Park
See County Maps
Location Map
Colorado Summit County.png

County InformationEdit


The County was named for the many mountain summits in the county. The County is located in the central area of the state.[2]

County CourthouseEdit

Summit County Courthouse
208 E Lincoln St
PO Box 68
Breckenridge, CO 80424-0068
Phone: 970.453.2561
Summit County Website

County Clerk has marriage and land records [3]

Summit County, Colorado Record DatesEdit

Information for this chart was taken from various sources, often containing conflicting dates. This information should be taken as a guide and should be verified by contacting the county and/or the state government agency.

Known Beginning Dates for Major Records[4]
Birth* Marriage Death* Court Land Probate Census
1892 1862 1892 1861 1861 1861 1860
Statewide registration for births in 1910 and deaths in 1910. General compliance by 1920.

Record LossEdit

There is no known history of courthouse disasters in this county.

Boundary ChangesEdit

Populated PlacesEdit

For a complete list of populated places, including small neighborhoods and suburbs, visit Hometown Locator. The following are the most historically and genealogically relevant populated places in this county: [6]

Census-designated places
Ghost towns
  • Parkville

  • History TimelineEdit


    Bible RecordsEdit


    Business, Commerce, and OccupationsEdit


    Cemeteries of Summit County, Colorado online and in print
    Tombstone Transcriptions Online
    Tombstone Transcriptions in Print (Often more complete)
    List of Cemeteries in the County
    See Colorado Cemeteries for more information


    Census RecordsEdit

    In 1860, present-day Colorado was enumerated in the Kansas, Nebraska, New Mexico, and Utah Territories. Colorado Territory was created in 1861 and was enumerated as such in the 1870 Census. A state census was taken in 1885 for Colorado.[7] See links listed below.

    Historical populations
    Census Pop.
    1870 258
    1880 5,459 2015.9%
    1890 1,906 −65.1%
    1900 2,744 44.0%
    1910 2,003 −27.0%
    1920 1,724 −13.9%
    1930 987 −42.7%
    1940 1,754 77.7%
    1950 1,135 −35.3%
    1960 2,073 82.6%
    1970 2,665 28.6%
    1980 8,848 232.0%
    1990 12,281 38.8%
    2000 23,548 91.7%
    2010 27,994 18.9%
    Source: "".

    State and Territory Census RecordsEdit

    Federal Census RecordsEdit

    The 1880 Census was the first Federal Census for Colorado after it became a state in 1876.[8] For links to Federal Census indexes, see Colorado Census.

    • 1860-1940 Colorado Census Records from 1860 to 1940 at — index/images

    Church RecordsEdit

    Church records vary significantly depending on the denomination and the record keeper. They may contain information about members of the congregation, such as age, date of baptism, christening, or birth; marriage information and maiden names; and death date. For general information about Colorado denominations, view the Colorado Church Records wiki page.

    Online Church Records

    Presbyterian Church

    Court RecordsEdit

    Numerous records are available at Colorado Archives. To use this link scroll down the page to where it asks for Record Type. Click there and scroll down the list to the records you want and select. The next field asks for county. Select the county you want and then click on Search. You can narrow the search by adding the additional information it asks for.


    Emigration and ImmigrationEdit

    Ethnic, Political, and Religious GroupsEdit

    Funeral HomesEdit



    Land and Property RecordsEdit

    Land and property records can place an ancestor in a particular location, provide economic information, and reveal family relationships. Land records include: deeds, abstracts and indexes, mortgages, leases, grants and land patents.

    See Colorado Land and Property for additional information about early Colorado land grants.

    After land was transferred to private ownership, subsequent transactions were usually recorded at the county courthouse, where current records are also housed.

    Online Land Records

    For more information see Colorado Land and Property

    Local HistoriesEdit

    Online County Histories

    Maps and GazetteersEdit

    Routt CountyJefferson CountyPark CountyLake CountyPitkin CountyBoulder CountyGilpin CountyClear Creek CountyGrand CountyEagle CountyCO SUMMIT.JPG
    Click a neighboring county
    for more resources


    Military RecordsEdit

    Online CollectionsEdit

    These collections are unique to Colorado. You will find nationwide databases for military records on U.S. Military Online Genealogy Records and Colorado Military Records.

    All Veterans

    Civil War

    Spanish-American War (1898)

    World War I

    World War II

    Vietnam War

    For further information see Colorado Military Records.

    Naturalization and CitizenshipEdit

    Online Records


    For more information, see Colorado Newspapers.

    Colorado Newspapers Online

    Colorado Newspaper Catalogs

    • U.S. Newspaper Directory, 1690-Present on Chronicling America - contains a list of all known newspapers and the dates they cover; once you locate a newspaper name, contact the local library to see if they have copies of the newspaper


    Other RecordsEdit


    Probate RecordsEdit

    Probate records have been kept by the county courts. Colorado probate records include bonds, affidavits, letters, claims, appraisals, fee accounts, minutes, judgments, dockets, calendars, case files, and wills. The Family History Library does not have copies of probate records from Colorado.

    You may obtain copies of documents from the clerk's office in the county courthouse.

    Online Records

    School RecordsEdit

    Tax RecordsEdit

    Colorado tax records complement land records and can be used as supplements to censuses. There may be gaps of several years in the records. To find tax records in the FamilySearch Catalog, do a Place Search for the county.

    Vital RecordsEdit

    Vital Records consist of births, adoptions, marriages, divorces, and deaths recorded on registers, certificates, and documents. A copy or an extract of most original records can be purchased from the Vital Records Section Colorado Department of Public Health and Environment or the County Clerk's office of the county where the event occurred.

    For some online statewide indexes, see the FamilySearch Historical Record Collections for Colorado.

    Colorado Vital Records Search


    Birth records may become public records when 100 years have elapsed after the date of birth. EXCEPTION: The birth record of any individual who is known to be currently alive will remain confidential even if they are 100 years of age or greater. [9]


    Online Records


    Death records may become public records when 75 years have elapsed after the date of death. [9]


    Online Records

    Research FacilitiesEdit


    The Colorado State Archives has the following records available for Summit County, Colorado Genealogy in this online database Archives Search. For a full list of online holdings, click here.
    1880-1939 Divorce Index
    1883-1900 Mine Accidents, Non - fatal
    1897-1920 Horseshoers
    1936-1942 Civilian Conservation Corps Enrollments
    1966-1968 Vietnam Deaths
    1877-1916 Summit County Probate Cases/Record

    Family History CentersEdit

    Family History Centers provide one-on-one assistance and free access to premium genealogical websites. In addition, many centers have free how-to genealogy classes.


    Summit County Library
    0037 County Road 1005
    Frisco, CO 80443
    Telephone: 970-668-5555



    Summit Historical Society
    Rutledge Historic Collections Room
    PO Box 143
    403 La Bonte St.
    Dillon, CO 80435
    Telephone: 970-468-2207

    Summit Historical Society
    Mather Archive Room
    PO Box 745
    309 N Main
    Breckenridge, CO 80424

    Frisco Historical Society
    120 Main St.
    Frisco, CO 80443
    Telephone: 970-668-342


    Research GuidesEdit


    1. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT: Everton Publishers, 2002).
    2. Genealogy Trails History Group, "Summit, Colorado Genealogy and History", 7/06/2017.
    3. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Summit County, Colorado. Page 101 At various libraries (WorldCat); FHL Book 973 D27e 2002.
    4. Alice Eichholz, ed. Ancestry’s Red Book: American State, County, and Town Sources, Third ed. (Provo, Utah: Ancestry, 2004), 94.
    5. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT: Everton Publishers, 2002).
    6. Wikipedia contributors, "Summit County, Colorado," in Wikipedia: the Free Encyclopedia,,_Colorado, accessed 25 January 2018.
    7. William Thorndale and William Dollarhide, Map Guide to the U.S. Federal Censuses (Bountiful, UT: American Genealogical Lending Library, 1985), page 51-54; Alice Eichholz, ‘’Ancestry’s Red Book: American State, County and Town Sources,’’ 3rd ed. (Salt Lake City: Ancestry, 2004), 86. Free online version; FHL Book 973 D27rb 2004; WorldCat entry.
    8. William Thorndale and William Dollarhide, Map Guide to the U.S. Federal Censuses (Bountiful, UT: American Genealogical Lending Library, 1985), page 54.
    9. 9.0 9.1 Letter from Colorado State Registrar, Dated September 1, 2011. Policy Number 2011- 08.