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 Planning and Zoning
Friday, August 16, 2019

The Yankton County Planning and Zoning Office will be open for normal office hours starting on Monday, August 19, 2019. Office hours will be Monday- Friday from 9am-5pm and closed for an hour for lunch from Noon-1pm.

Highway Department Hours
Monday, May 13, 2019

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

Yankton County Highway Department
Wednesday, April 3, 2019

2018 Yankton County Road and Bridge Inspections
Yankton County EMS
Wednesday, March 6, 2019

Yankton County EMS is going to be offering public CPR classes. For a list of dates and times of these classes go to the Yankton Emergency Medical Services page on this website under Departments.
2019 Calendar
Tuesday, January 1, 2019

2019 Calendar
Veteran's Service Office - Drivers Wanted
Thursday, September 27, 2018

Please contact our office if you are interested in driving the DAV van. (605) 260-4400, Ext. 8
Yankton County Emergency Management
Monday, January 1, 2018

You can text YCOEM to 85511 to receive up to date emergency information.
Yankton County Commission Meeting Policy & Form
Thursday, November 23, 2017

Click here for the form
Click here for policy

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 © 2019. Developed by Intuvio Solutions.