Washington County is a county located in the Commonwealth of Virginia. As of the 2020 census, the population was 53,935. Its county seat is Abingdon.
Washington County is a county located in the U.S. state of Tennessee. As of the 2020 census, the population was 133,001. Its county seat is Jonesborough. The county's largest city and a regional educational, medical and commercial center is Johnson City. Washington County is Tennessee's oldest county, having been established in 1777 when the state was still part of North Carolina. Washington County is part of the Johnson City, TN Metropolitan Statistical Area, which is a component of the Johnson City–Kingsport–Bristol, TN-VA Combined Statistical Area, commonly known as the "Tri-Cities" region.
Unicoi County is a county located in the U.S. state of Tennessee. As of the 2020 census, the population was 17,928. Its county seat is Erwin. Unicoi is a Cherokee word meaning "white," "hazy," "fog-like," or "fog draped," and refers to the mist often seen in the foothills and mountains of this far northeast county. Unicoi County is part of the Johnson City Metropolitan Statistical Area, which is a component of the Johnson City–Kingsport–Bristol, TN-VA Combined Statistical Area, commonly known as the "Tri-Cities" region.
Sullivan County is a county located in the U.S. state of Tennessee on its northeast border. As of the 2020 census, the population was 158,163. Its county seat is Blountville.
Carter County is a county located in the U.S. state of Tennessee. As of the 2020 census, the population was 56,356. Its county seat is Elizabethton. The county is named in honor of Landon Carter (1760-1800), an early settler active in the "Lost State of Franklin" 1784-1788 secession from the State of North Carolina. Carter County is part of the Johnson City, TN Metropolitan Statistical Area, which is a component of the Johnson City–Kingsport–Bristol, TN-VA Combined Statistical Area, located in northeastern Tennessee.
Bloomingdale is a census-designated place (CDP) in Sullivan County, Tennessee.
Blountville is a census-designated place (CDP) in and the county seat of Sullivan County, Tennessee. The population was 3,074 at the 2010 census and 3,120 at the 2020 census. It is the only Tennessee county seat not to be an incorporated city or town.
Colonial Heights is a census-designated place (CDP) in Sullivan County, Tennessee, United States. It is located within the city of Kingsport.
Walnut Hill is a census-designated place (CDP) in Sullivan County, Tennessee. The population was 2,394 at the 2010 census. It is part of the Kingsport-Bristol-Bristol, TN-VA Metropolitan Statistical Area, which is a component of the Johnson City-Kingsport-Bristol, TN-VA Combined Statistical Area, commonly known as the "Tri-Cities" region.
Banner Hill is a census-designated place (CDP) in Unicoi County, Tennessee, United States. The population was 1,497 at the 2010 census. It is part of the Johnson City Metropolitan Statistical Area, which is a component of the Johnson City–Kingsport–Bristol, TN-VA Combined Statistical Area – commonly known as the "Tri-Cities" region. Banner Hill is a suburb of Erwin.
Unicoi is a town in Unicoi County, Tennessee, United States. The population was 3,519 at the 2000 census and 3,632 at the 2010 census. It is part of the Johnson City Metropolitan Statistical Area, which is a component of the Johnson City–Kingsport–Bristol–Erwin–Flag Pond Combined Statistical Area – commonly known as the "Tri-Cities" region.
Johnson City is a city in Washington, Carter, and Sullivan counties in the U.S. state of Tennessee, mostly in Washington County. As of the 2020 United States census, the population was 71,046, making it the eighth largest city in Tennessee. Johnson City is the principal city of the Johnson City Metropolitan Statistical Area, which consists of Carter, Unicoi, and Washington counties and had a population of 207,285 as of 2020. The MSA is also a component of the Tri-Cities region. This CSA is the fifth-largest in Tennessee, with a population of 514,899 as of 2020.
Spurgeon is a census-designated place (CDP) in Sullivan and Washington counties in the U.S. state of Tennessee. The population was 3,957 at the 2010 census.
The Tri-Cities is the region comprising the cities of Kingsport, Johnson City, and Bristol and the surrounding smaller towns and communities in Northeast Tennessee and Southwest Virginia. All three cities are located in Northeast Tennessee, while Bristol has a twin city of the same name in Virginia.
The Kingsport–Bristol–Bristol metropolitan area is a metropolitan statistical area (MSA) in Northeast Tennessee and Southwest Virginia, United States, as defined by the Office of Management and Budget (OMB). It was formed in December 2003 by the merger of the Bristol, VA MSA and Kingsport–Bristol, TN–VA MSA.
Emory is a census-designated place (CDP) in Washington County, Virginia, United States. The population was 1,237 at the 2020 census down from 1,251 at the 2010 census. The community is named for and is the location of Emory and Henry College.
The United States Commonwealth of Virginia currently has 20 statistical areas that have been delineated by the Office of Management and Budget (OMB). On July 21, 2023, the OMB delineated four combined statistical areas, 12 metropolitan statistical areas, and four micropolitan statistical areas in Virginia.
The Knoxville metropolitan area, commonly known as Greater Knoxville, is a metropolitan statistical area (MSA) centered on Knoxville, Tennessee, the third largest city in Tennessee and the largest city in East Tennessee. It is the third largest metropolitan area in Tennessee. In 2020, the Knoxville metro area had a population of 879,773, and a population of 903,300 including Grainger County. The Knoxville–Morristown–Sevierville Combined Statistical Area (CSA) had a population of 1,156,861 according to the census bureau in 2020.
The Cleveland, Tennessee Metropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of two counties in southeast Tennessee – Bradley and Polk – anchored by the city of Cleveland. As of the 2020 United States census, the MSA had a population of 126,164. The MSA is also part of the Chattanooga Combined Statistical Area. The MSA was first designated in June 2003. Geographically, this metropolitan area is mostly coexistant with the Ocoee Region, a historical and cultural name that reflects the heritage of the area.
The Iowa City Metropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of two counties in Iowa anchored by the city of Iowa City. The Metropolitan Statistical Area (MSA) had a population of 171,491 people in the 2017 US Census Bureau population estimate. growing 12.39% compared to 2010.
United States 
Tennessee 