Tekamah is a city in Burt County, Nebraska, United States. The population was 1,714 at the 2020 census. It is the county seat of Burt County. T…Tekamah is a city in Burt County, Nebraska, United States. The population was 1,714 at the 2020 census. It is the county seat of Burt County. Tekamah was founded in October 1854 by Benjamin R. Folsom, and incorporated on March 14, 1855. The name is derived from the Omaha language, meaning "big cottonwood". Its development was stimulated by the construction of railroads through the area, such as the Chicago & North Western, which have since been taken out of Tekamah.