The Lake County State's Attorney serves the citizens of our county and of South Dakota as the chief prosecutor of adult and juvenile crimes occurring in Lake County. The office is committed to helping to preserve the quality of life and low crime rates enjoyed by those who reside in South Dakota.

While the principal responsibility of the office is the prosecution of adult and juvenile crime, the office has the duty of protecting children who may be living in abusive or neglectful homes. Additionally, the office is responsible for providing legal advice and representation to the Board of Commissioners for the county and other elected and appointed department heads and staff.

Staff

Aaron McGowan

State's Attorney Send an Email

Jennie Thompson

Paralegal Send an Email

April Lund

Victim / Witness and Legal Assistant Send an Email

Contact Information

Main Office

Address:
Lake County States Attorney
200 E Center St
Madison SD 57042

Phone:
605-256-7630
Fax:
605-256-7632

Announcements

Post Election Audit
Wednesday, June 3, 2026

Notice is hereby given, in accordance with SDCL 12-17B-21, that a Post Election Audit of the June 2, 2026 Primary Election will be conducted on June 11, 2026 starting 9 AM in the County Commission Chambers at the Lake County Courthouse, 200 E Center St, Madison, SD. Open to the public. For full announcement click here.

June - License Plate Renewal K/L
Monday, June 1, 2026

Vehicle License plate renewal for vehicle owners with the FIRST letter in their LAST NAME that begins with K or L.

Drivers Exam closed
Monday, February 23, 2026

Due to staffing, the drivers exam, located at the 4-H grounds, is closed until further notice

Lake County © 2026. Developed by Intuvio Solutions.

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