Welcome to South Dakota Genealogy Trails



Welcome to

Yankton County,

South Dakota



Genealogy Trails is an independent group of volunteers, not affiliated with any for-profit group.  We fund and support our own needs, and our purpose for existing is to place data online for the FREE use of all researchers.

Our group was formed back in March of 2000, by providing data for the state of Illinois, and six years later, we expanded to cover the other 49 states.

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, consider joining us!  Visit our Volunteer Information page to learn more.


If Hosting isn't for you, you can still support our efforts.

We need data - chances are, you have obituaries; birth, marriage and death records; biographies, etc. - RAW data you used to create your family tree.  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.

We need help transcribing as well.  Email Me if you have contributions, or can help transcribe materials.


Want to be notified when this site is updated?  Join our Mailing Lists!  Genealogy Trails Mailing Lists

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


Online Data



Birth Records



Land Records

Maps and Plats


Native Americans

Tax Lists





Gayville Jamesville Marindahl
Mayfield Mission Hill Turkey Valley

SE Yankton


W Yankton




Gayville Lesterville Mission Hill
Utica Valleyview Volin
Norway Yankton* Hanson
Mayfield Aggergaard Walshtown
Fuller Village Portland Lakeport

*County Seat


Yankton County Map

County Seat: Yankton
Year Organized: 1862
Square Miles: 522

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