Lake County Extension Office

Mission: To serve the people through an educational process that helps them improve their lives by applying unbiased, scientific knowledge focused on issues and needs.

Core Values:

  • Responsive: Extension will exceed client expectations in the timeliness and quality of programs and information presented.
  • Excellence: The motivating factor for Extension’s continued growth and improvement will be continued commitment to excellence.
  • Accountable: Relevant and useful data will be gathered and applied to decision-making about organizational changes, allocation of resources, program priorities, staffing patterns, and professional development for Extension personnel.
  • Credible: Extension will address problems and issues with unbiased analysis and research based answers.
  • Respectful: Rather than make decisions for the citizens of South Dakota, Extension will present alternatives and provide assistance in the decision making process.
  • Catalytic: Through cooperative and collaborative partnerships, Extension will help cause change across South Dakota.

Staff

Jennifer Hayford

4-H Advisor

Kim Mathieu

Office Manager and 4-H Assistant Send an Email

Contact Information

Main Office

Address:
Lake County Extension
1000 S Egan Ave
Madison SD 57042

Phone:
605-256-7603

Office Hours:
8:00 am – 12:00 pm and 1:00 pm – 5:00 pm
Monday – Friday (excluding Holidays)

Announcements

Absentee Voting has started for the Republican Party Runoff Election
Friday, June 12, 2026

Open June 12th- July 27th at 5:00PM. Voting hours are from 8-5pm Monday through Friday at the Lake County Courthouse, 1st floor.

Republican Runoff Election will be held July 28th 2026!
Friday, June 12, 2026

Election hours will be 7am - 7pm at voters respective precincts. Last day to change registration for Republican Runoff is July 13th, 2026. For a copy of the sample ballot please click here.

Juneteenth Holiday
Friday, June 12, 2026

The Lake County Court House will be closed on June 19th, 2026.

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

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