McKenzie is a city at the tripoint of Carroll, Henry, and Weakley counties in Tennessee, United States.

[7] On October 15, 1887, the President of the United States, Grover Cleveland, visited the town and stayed overnight at the McKenzie Hotel, next door to the depot.

According to the United States Census Bureau, McKenzie has a total area of 6.3 square miles (16.2 km2), all land.

[5] As of the 2020 United States census, there were 5,529 people, 2,116 households, and 1,278 families residing in the city.

[12] This Cumberland Presbyterian affiliated university offers Bachelors and master's degrees in multiple fields.

[13] Formerly the formerly named the McKenzie State Area Vocational School, the Tennessee College of Applied Technology is one of 46 institutions in the Tennessee Board of Regents system and offers courses in Industrial Electricity/Electronics, Machine Shop, Refrigeration, Office Occupations Instructor, Welding, Masonry, Industrial Maintenance, and HVAC.