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

County Offices Closed 4/18 & 4/21
Monday, April 14, 2025

County Offices will be closed Friday, April 18 in observance of Good Friday and Monday, April 21 in observance of Easter Monday
2025 Seasonal Load Limits
Monday, April 14, 2025

Seasonal Load Limits for 2025 have been lifted. Thank you for your cooperation!
Real Estate & Mobile Home Taxes - First Half
Tuesday, April 1, 2025

First half of Real Estate and Mobile Home Taxes due by the end of April. Please bring your tax notices with you. Tax payments must be made for the exact amount only.
Tax payments may be sent to the Treasurer's Office at 200 E. Center St, Madison, SD 57042 and MUST be postmarked by April 30. Please send your tax stubs to ensure proper credit to the correct parcels of land. Please note: Payments received or postmarked after April 30th will reflect a late fee and interest.

Property Tax Payment Drop Box
Tuesday, April 1, 2025

The Treasurer's Office also offers a drop box for property tax payments located between the double doors of the north entrance to the courthouse. Payments must include the payment coupon or parcel number with each payment and be in the exact amount only (all others will be returned). If you would like a receipt, please include a self-addressed stamped envelope. Payments dropped off after 4:30 p.m., M-F will be credited the following business day.

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