Photo Credit: Nancy Hall Photography

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

Auditor's Office -
Tuesday, April 17, 2018

Absentee voting for the June 5, 2018 primary will start on April 20, 2018.

Highway Department - 2018 Projects
Wednesday, April 11, 2018

We now have an interactive map located under the Highway Department's Quick Links showing 2018 Projects for both the County and the City.

Treasurer's Office - 1st Half Property Taxes DUE April 30th
Sunday, April 1, 2018
Highway Department - Rolling Hills Bridge
Wednesday, March 28, 2018

Work has begun on the replacement of the bridge in Rolling Hills. Click here for project plan map

Highway Department - Signage Project
Monday, March 19, 2018

Replacement of E911 Address signs will begin approximately March 28th. This project is SD DOT Grant Funded and contractor appointed. The contractor states they will begin on the west half of Yankton County.

Highway Department - Spring Load Limits
Friday, March 2, 2018

Spring load limits will be in place starting Tuesday, March 13, 2018. They will be posted at 6 tons per axle, 80,000 lbs GVW.

Emergency Management - Severe Weather Awareness Week - April 23-27, 2018
Thursday, March 1, 2018

There will be tornado drill on Wednesday, April 25th with the Watch at 10am and Warning Sirens at 10:15 am. This testing will be done county wide.

EMS - CPR Classes
Monday, January 1, 2018
Yankton County Emergency Management
Monday, January 1, 2018

You can text YCOEM to 85511 to receive up to date emergency information.

2018 Calendar
Monday, January 1, 2018
Yankton County Commission Meeting Policy & Form
Thursday, November 23, 2017

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 © 2018. Developed by Intuvio Solutions.