Prior to European colonization a large Cherokee settlement existed within the borders of Mills River.
Mills River is among the oldest communities in Henderson County, with its first landholder receiving a deed from the state of North Carolina in 1788. It was once a thriving agricultural community, often called the "fertile crescent".[7]
Mills River lies in the northwestern part of Henderson County, extending northeast to the Buncombe County border and southwest to the Transylvania County border. It is bordered to the northeast by the city of Asheville and the town of Fletcher, and to the south by the unincorporated communities of Horse Shoe and Etowah.
According to the U.S. Census Bureau, the town has a total area of 22.5 square miles (58.4 km2), of which 22.4 square miles (58.0 km2) are land and 0.2 square miles (0.4 km2), or 0.74%, are water. The French Broad River, one of the primary tributaries of the Tennessee River, flows through the northeastern part of the town. The Mills River, a tributary of the French Broad, flows from west to east through the center of the town, and the southern part of the town is in the valley of Boylston Creek, a small tributary of the French Broad.
As of the 2020 United States census, there were 7,078 people, 3,072 households, and 2,046 families residing in the town.
Government
The current mayor is Shanon Gonce, who took office in December 2021, elected by his fellow town council members. The current town council members are Randy Austin (2019), Jeff Young (appointed March 2022), James Cantrell (2021), and Sandra Goode (2021). Councilman Austin also serves the role of Mayor Pro Tem.
Mills River is home to two public schools: Mills River Elementary, Glenn C. Marlow Elementary, and is served Rugby Middle School, and West Henderson High School.
The Town Hall and Library are located at 124 Town Center Drive. Surrounding the Town Hall is Mills River Park, whose master plan includes ball fields, soccer fields, tennis courts, playgrounds, multi-use trails, a dog park, shelters and support facilities. The Mills River runs along the northern boundary of the property.