The Official Website of Platte County, Wyoming

Office Closure

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PCPH will be closed 10/13/25 in observance of the the Columbus Day Holiday. We will reopen on 10/14/25 at 8AM.

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.