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

Yankton County Emergency Management
Wednesday, September 14, 2022

The Yankton County Office of Emergency Management has issued a burn ban starting Wednesday, September 14th, 2022 at 7:00am and going until further notice.

Yankton County Soil Conservation District
Wednesday, July 20, 2022

To view the Yankton County Soil Conservation's 2022 Summer Newsletter please CLICK HERE.

Yankton County Highway Department
Thursday, March 10, 2022

The Yankton County Highway Department will begin their Spring/Summer hours on Monday, March 14, 2022. Spring/Summer hours are Monday thru Thursday 6:30am-5:00pm.

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

Yankton County © 2022. Developed by Intuvio Solutions.