Columbia city is located in the county of Adair, and also serves as the county seat of the same. It is located just above the Russell Creek. Columbia covers a total area of about 9 sq. kms, located 749 ft above the sea level. some of the prominent economic activities of the town are art schools and art galleries, auto dealers and maintenance shops, boat repairing facilities, real estate, hotels and restaurants, recreational facilities, clothing shops and carpet cleaning services, pharmacy shops and others.