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 23,310 (2020 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 15,411).

Our Cities and Towns

Announcements

Yankton County Planning & Zoning
Monday, June 17, 2024

To read proposed changes to Article 26 for the next Planning Commission Meeting click here

Yankton County
Thursday, June 6, 2024

The Yankton County Government Center and all other non-emergency offices in the county will be closed on Wednesday, June 19th, 2024 in observance of Juneteenth.

Yankton County Treasurer
Saturday, June 1, 2024

Reminder: Yankton County residents that have last names starting with K and L have until June 30, 2024 to renew vehicle registration.

Yankton County Highway Department
Tuesday, April 2, 2024

The Yankton County Highway Department will begin their summer hours on Monday, April 02, 2024 and will run until further notice.

Summer hours are Monday through Thursday 6:30am-5:00pm.

Yankton County Weed Department
Tuesday, April 2, 2024

The Yankton County Weed Department would like to remind that Yankton County landowners are required to control noxious weeds on their property. The Weed Department will begin their inspections on May 1, 2024.

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, & Sundays

Yankton County YouTube Channel

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