Towns & Cities

The Place We Call Home

Yankton County, established in 1862, is located along the southern border of South Dakota along the Missouri River. The county encompasses a total area of 533 square miles with a population of 22,684 (2014 US Census estimate).

The primary industries in the county are agriculture, manufacturing, and services.

The county seat is located in the largest city in the county - Yankton (population 14,552).

Our Cities and Towns

Announcements

Veteran's Service Office
Monday, September 20, 2021

The Yankton County Veteran's Service Office will be closed on Friday, September 24, 2021 all day. If you would like to leave a message for Cody Mangold (VSO) you can call 605-260-4420.
Yankton County Emergency Management
Friday, August 27, 2021

The Yankton County Disaster Mitigation Planning Team has just completed updating the County's disaster mitigation plan. To read more about it CLICK HERE

Yankton County Emergency Management
Tuesday, August 17, 2021

The Office of Emergency Management has issued a Burn Ban in Yankton County until further notice. To read a copy of the burn ban CLICK HERE.

Yankton Soil Conservation District
Friday, July 16, 2021

The Yankton County Conservation District would like to present their Summer Newsletter! To read the newsletter CLICK HERE!

Yankton County
Tuesday, June 15, 2021

The Yankton County Commission approved a Temporary Ordinance for Medical Marjuana on June 15, 2021. To read the temporary ordinance CLICK HERE.
Yankton County Highway Department
Monday, April 5, 2021

We are currently in our Summer Hours, which are 6:30am thru 5:00pm Monday through Thursday.

Main Phone:
605.260.4400

Address:
321 West 3rd Street, Suite 100 Yankton, SD 57078

Office Hours:
9:00am - 5:00pm CST, Monday-Friday
Closed on Holidays, Saturdays, & Sunday

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