The Official Website of Platte County, Wyoming

County Offices Closed

Add to Calendar

County offices will be closed on Monday, October 9, 2023 in observance of Columbus Day.

Organized in 1911, Platte County is a rural county in Wyoming. Our mission is to deliver high-level services for each of our citizens and visitors. The County Courthouse is located at 800 9th Street in Wheatland.