The Official Website of Platte County, Wyoming

Memorial Day Holiday

Add to Calendar

Location Information

Platte County Public Health will be closed on 05/25/2026 in observance of the Memorial Day Holiday

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.