Welcome to Unicoi County ...Time Zone: Unicoi County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time. The community of Erwin is the Seat for Unicoi County. Unicoi County was founded in 1875. Unicoi was created by taking area from Washington and Carter Counties. From the Census Estimates for 2019, <1> Unicoi had a population of 17,883 people. This is a decrease of 2.19% since the last Census (which gave a population of 18,284 people in 2010). At the time of the 2010 Census, Unicoi represented 0.29% of the total population of Tennessee. Websites of Interest ...
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