is a city in Dakota County, Nebraska, United States. It is part of the Sioux City, IA–NE–SD Metropolitan Statistical Area. The population was 1,821 at the 2000 census. It is the county seat of Dakota County. Tyson Foods largest beef production plant is located in Dakota City.
According to the United States Census Bureau, the city has a total area of 1.2 square miles (3.0 km²), of which, 1.0 square miles (2.7 km²) of it is land and 0.1 square miles (0.3 km²) of it (9.40%) is water.