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Lake County, Colorado
Genealogy, History & Facts

Lake County, Colorado Facts

Lake County

When was Lake County, CO Created?
Lake County was established on November 1, 1861 as one of the 17 original counties of the Territory of Colorado. The county was named for the Twin Lakes in the county..

What is the County Seat of Lake County, CO?
The County Seat is located in Leadville and the county government website is

What counties are adjacent to Lake County, CO?
Bordering Counties are Eagle County (north), Summit County (northeast), Park County (east), Chaffee County (south), Pitkin County (west).

What cities and towns are in Lake County, CO?
Cities and towns located in the County include Climax, Leadville, Leadville North, Oro City, Twin Lakes

Lake County, CO Vital Records

Where can find Lake County Birth, marriage, Divorce and Death Records?
Lake County vital records can be found at the Colorado Office of Vital Records which has copies of birth, marriage, divorce and death records. There is a fee for each copy requested. Please refer to the information to the Statewide Vital Records in Colorado for current fees and application process.

You can search online for Lake County Birth, Marriage, Divorce or Death Records. You can also Order Electronically Online or can download an application for Colorado Birth Certificate, Marriage Verification, Divorce Verification, Death Certificate Applications to mail.

Lake County, CO Census Records

What Lake County, CO census records are available?
There are many types of census records for Lake County guide you in researching your family tree. Federal Population Schedules are available for 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930, 1940.

Lake Co. Mortality Schedules can be acquired for 1870 and 1880. Lake Co. Industry and Agriculture Schedules is available for 1870 and 1880. Lake Co. Union Veterans Schedules can be acquired for 1890. There are free online and printable census forms to aid with your research.

Lake County, CO Societies and Family History Resources

What genealogical and historical societies, archives, museums, associations and libraries are available for Lake County, CO?
A list of Lake County Historical  and Genealogical Societies, Libraries, Archives. See also list of Statewide Colorado Archives, Historical & Genealogical Societies.

Lake County, CO Courthouse and Government Records

Lake County Courthouse

What genealogical records can I find in the Lake County Courthouse?
The below facts shows exactly what death, marriage, birth, property, wills, and court records are typically in Lake County. The years listed below are the first noted records with this county. See Also Colorado Corthouse Records Research Guide.

  • Lake County Courthouse (all departments listed below are located here, unless otherwise noted)
    • Address: 112 W 5th St, Leadville, CO 80461
    • Phone: (719) 486-1410
  • Lake County Clerk & Recorder is responsible for recording deeds, marriage licenses, issuing passports, titling and registering automobiles, issuing driver's licenses, registering voters, administering elections and maintaining records for the Board of County Commissioners.
    • Marriage Records: 1869 
    • Land Records: 1861?
  • Lake County Clerk of Courts
    • Probate Records: 1861? 
    • Court Records: 1861? 
  • Lake County Public Health Agency
    • Birth / Death Records: 1891–1906 / 1881–1903; at City clerk, Leadville.

Where can I connect with other Lake County, CO Researchers through message boards and forums?

What other genealogical resources are available in Lake County, CO?
The following are web links to Genealogy, Records and Resources pertaining to Lake County.

Lake Co. CO Books, Newspapers & Publications

Lake Co. CO Birth, Marriage & Death Records

Lake Co. CO Court, Probate Land and Tax Records

Lake Co. CO Census Records

Lake Co. CO Cemeteries & Church Records

Lake Co. CO Family Websites, Pictures & Histories

Lake Co. CO General and History Websites

Lake Co. CO Maps, Atlases & Gazetteers

Lake Co. CO Military Records

Lake Co. CO Schools & Directories

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