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Yankton County, South Dakota

Yankton County

Yankton County was established on April 10, 1862 from Unorganized territory. The county was named for the Yankton Sioux Native Americans.

Currently the Yankton County Seat is located in Yankton and the county government website is

Locations adjacent to Yankton County are Turner County (northeast), Clay County (east), Cedar County, Nebraska, Knox County, Nebraska (southwest), Bon Homme County (west), Hutchinson County (northwest).

Cities and towns found in Yankton County consists of Gayville, Lesterville, Mission Hill, Utica, Valleyview, Volin, Yankton.

Yankton County has Federal Census Schedules to help in researching your family tree. Federal government Population Schedules are present for 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930, 1940.

Yankton Co. Mortality Schedules can be found for 1870 and 1880. Yankton Co. Industry and Agriculture Schedules can be found for 1870 and 1880. Yankton Co. Union Veterans Schedules is available for 1890. There are free down-loadable not to mention printable census forms to help with your research.

Yankton County Society and Family History Resources

A list of Yankton County Historical  and Genealogical Societies, Forums, Message Boards, Libraries, Archives.

Yankton County Courthouse and Government Records

Genealogist often overlook the benefits of Yankton County court, probate, and land files as a useful resource of ancestry and genealogy details. Hidden away in South Dakota courthouses and archives just about everywhere are the ambitions and frustrations of the many South Dakota residents.

The odds are very good that your potential forefathers have left a comprehensive record of at least quite a few elements of their lives in the Yankton County court records. Even if your forefathers is not referred to in a Court case, take into consideration all of the other procedures which could have lead to him or her to appear in court records.

Please make sure to contact the clerk's department to determine hours, mailing address, fees and other details in advance of visiting or seeking information because of in some cases changing contact details. The Department Offices DO NOT DO RESEARCH. The records and documents are available to interested parties, barring private issues. The majority of staff will guide individuals in finding the resources, but it's up to the individual to perform the research.

The following indicates what vital, land, probate, and court records are in Yankton county. The dates indicated below are the first known records for this county which may include records of land, estates, taxes, vital records, divorces, naturalizations, voter registration, court records, and so forth. The state archives has probate records (1877—1909); wills (1870—1909); notary records (1877—1909); and judgment books (1898—1907).

  • Haakon County Courthouse (all departments listed below are located here, unless otherwise noted)
    • Address: 321 W 3rd St, Yankton, SD 57078
    • Phone: (605) 260-4400
  • Yankton County Register of Deeds is the primary record-keeping and archival repository for county land records and for the recording & maintaining of records pertaining to that real estate, plats, deeds, mortgages & many miscellaneous documents. This office is the keeper of birth, death & marriage records, military discharge records, fictitious name filings, and various types of liens, including mechanic’s liens, state and federal tax liens.
    • Marriage Records: 1889 
    • Land Records: 1862?
  • Yankton County Clerk of Court.
    • Probate Records: 1862?
    • Court Records: 1862?
  • South Dakota Office of Vital Records 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 South Dakota for current fees and application process. Birth, marriage, and death records are connected with central life events.

Yankton County Links

The following are web links to Family history and genealogy, Records and Resources relating to Yankton County. Each of these genealogy links fall into 3 categories: Business Sites, Private Sites or Organization Sites. Some have free access some require a payment. This is simply a directory which has been gathered or submitted. I do not recommend or promote one genealogy site above another. Feel free to furnish your own most liked Yankton County genealogy or family history associated sites.

Yankton Co. SD Books, Newspapers & Publications

Yankton Co. SD Birth, Marriage & Death Records

Yankton Co. SD Court, Probate Land and Tax Records

Yankton Co. SD Census Records

Yankton Co. SD Cemeteries & Church Records

Yankton Co. SD Family Websites, Pictures & Histories

Yankton Co. SD General and History Websites

Yankton Co. SD Maps, Atlases & Gazetteers

Yankton Co. SD Military Records

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