Platte County located in eastern Wyoming with Wheatland being its county seat. As of 2019 its population was estimated at 8266 inhabitants making it one offewest populated counties both in Wyoming and United States overall . This rural area offers great outdoors activities such as fishing on Glendo Reservoir , Cottonwood Creek Recreation Area , Seminoe State Park ; hiking trails throughout Laramie Range mountains ; biking paths through Medicine Bow National Forest ; as well as canoeing or kayaking along North Platte River .