Columbia is a town in Tolland County, Connecticut, United States. The population was 4,971 at the 2000 census. Originally a part of Lebanon, known as the North Society or Lebanon's Crank, Columbia was incorporated in May 1804. The town was named for patriotic reasons after the national symbol "Columbia". Columbia offers pre-kindergarten through 8th grade education in town at Horace W. Porter School, while high school students have a choice of attending three nearby high schools (Bolton High School, E. O. Smith High School, and Windham Technical High School, part of the Connecticut Technical High School System).