Unicoi County, Tennessee
Unicoi County: county in Tennessee, United States
About
Unicoi County is a county located in the U.S. state of Tennessee. As of the 2010 census, the population was 18,313 and a population density of 38 people per km². After 10 years in 2020 county had an estimated population of 17,755 inhabitants. Its county seat is Erwin. The county was created 151 years ago in 1875.
County Snapshot
Unicoi County at a glance
Unicoi County currently has 2 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
2
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Tennessee counties
95
Open related pagesLargest city
ErwinPopulation 5,854
Top linked places
Quick Facts about Unicoi County
| Population | 17,755 (2020) |
| Country | United States of America |
| State | Tennessee (United States) |
| Area | 483 km2 |
| Water as percent of area | 0.2% |
| Land as percent of area | 99.8% |
| Latitude & Longitude | 36.1108,-82.4322 |
| Named for | Cherokee |
| Altitude | 1,991 feet / 607 meters |
| Capital | Erwin |
| Establishment | March 23, 1875 |
| Time Zone | Eastern Time Zone |
| Local time | 12:29:14 (18th April 2026) |
| Density | 37 Pop. per km² as of 2020 |
| Population growth | -3.14% (2010-2020) |
Geography
Unicoi County is located at 36°6'39"N 82°25'56"W (36.1108200, -82.4322400). It has 5 neighbors: Mitchell County, Greene County, Madison County, Yancey County and Washington County.
Unicoi County map
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The largest city of Unicoi County is Erwin with a population of 5,854. Other cities include and Unicoi population 3,579. See all Unicoi County cities & populated places.
Unicoi County Populated Places
Cities, towns, neighborhoods & other populated places in Unicoi County.
| City Name | Population | Title |
|---|---|---|
| Erwin | 5,854 | Human settlement in Tennessee, United States of America |
| Unicoi | 3,579 | City in Unicoi County, Tennessee, United States of America |
Official website of Unicoi County
Official Website- Erwin
Demographics
According to census records, the population of Unicoi County decreased by 3.14% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 18,313 | - | census |
| 2011 | 18,302 | -0.06% | estimation process |
| 2012 | 18,253 | -0.27% | estimation process |
| 2013 | 18,095 | -0.87% | estimation process |
| 2014 | 17,951 | -0.8% | estimation process |
| 2015 | 17,819 | -0.74% | estimation process |
| 2016 | 17,737 | -0.46% | estimation process |
| 2017 | 17,796 | 0.33% | estimation process |
| 2018 | 17,822 | 0.15% | estimation process |
| 2019 | 17,883 | 0.34% | estimation process |
| 2020 | 17,755 | -0.72% | estimation process |
People born in Unicoi County (2)
People born in Unicoi County, including politician John Q. Tilson, politician James Jefferson Britt, .
More notable people
Tennessee Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Shelby County | 936,017 | County in Tennessee, United States |
| Davidson County | 694,176 | County in Tennessee, United States |
| Nashville | 684,410 | The twenty-second most populous city in the United States and the center of the Nashville metropolitan area. |
| Memphis | 649,705 | The twenty-ninth most populous city in the United States and the center of the Memphis metropolitan area. |
| New South Memphis | 641,608 | This area of Memphis, situated in Shelby County at an elevation of 259 feet, is known for its rich musical heritage, particularly its influence on blues and rock and roll. |
| Knox County | 475,609 | County in Maine, United States |
| Hamilton County | 371,662 | County in Tennessee, United States |
| Rutherford County | 339,261 | County in North Carolina, United States |
| Williamson County | 245,348 | County in Tennessee, United States |
| Montgomery County | 214,251 | County in Tennessee, United States |
| Sumner County | 195,561 | County in Tennessee, United States |
| Knoxville | 190,223 | The most populous city in Tennessee. |
| Chattanooga | 184,742 | The fourth most populous city in Tennessee. |
| Clarksville | 161,247 | The second most populous city in Tennessee. |
| Sullivan County | 158,755 | County in New York, United States |
| Murfreesboro | 150,757 | The second most populous city in Tennessee. |