Lancaster County is a county located in the U.S. state of Nebraska. As of the 2020 United States Census, the population was 322,608, making it the second-most populous county in Nebraska. Its county seat is Lincoln, the state capital. The county was created in 1859.
Geography
According to the US Census Bureau, the county has a total area of 846 square miles (2,190 km2), of which 838 square miles (2,170 km2) is land and 8.8 square miles (23 km2) (1.0%) is water.
Demographics
As of the 2000 United States Census, there were 250,291 people, 99,187 households, and 60,702 families in the county. The population density was 298 people per square mile (115/km2). There were 104,217 housing units at an average density of 124 per square mile (48/km2).