Welcome to South Dakota Genealogy Trails

South Dakota


Genealogy Trails Presents..

Buffalo County

South Dakota

History and Genealogy

Genealogy Trails.... "Always Free, Always Updating."


This County is available for adoption!

If you have a love of history and genealogy, enjoy helping people, and have a basic knowledge of web authoring, or are able to transcribe data, consider joining us!  Visit our Volunteer Information page to learn more.

Sorry, we are unable to perform personal research for you.

Online Data

We need data - chances are, you have obituaries; birth, marriage and death records; biographies, etc. - RAW data you used to create your family tree.  One little piece of information you contribute may be what breaks down someone else's brick wall. Please consider contributing those materials. Anything contributed will remain YOUR property, will be credited to you, and will be promptly removed, should you ever request it.

If you have data to contribute, please Email us

Buffalo County Map

County Seat: Gann Valley
Year Organized: 1873
Square Miles: 471

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Surrounding Counties

Brule County - Hand County - Hyde County - Jerauld County - Lyman County