Columbia town is located in the County of Washington in the US state of Maine. Columbia covers an area of about 94 sq. kms., elevated by 149 ft above the sea level. As in most part of the United states, the local economy of Columbia is mainly run by privately owned businesses. Some of the prominent among them are infant and child clothing shops, departmental and retail stores, hardware shops, real estate businesses, pet shops and a host of other small and medium sized business activities.