page_title: Douglas County, Kansas
section_title: Geography
hierarchical_section_title: Douglas County, Kansas / Geography
caption_attribution_description: English: A view of the dam of Lone Star Lake taken from an RC plane
context_page_description: Douglas County is a county located in the U.S. state of Kansas. As of the 2010 census, the county population was 110,826, making it the fifth-most populous county in Kansas. Its county seat and most populous city is Lawrence.
context_section_description: According to the U.S. Census Bureau, the county has a total area of 475 square miles (1,230 km²), of which 456 square miles (1,180 km²) is land and 19 square miles (49 km²) (4.0%) is water. It is the fifth-smallest county in Kansas by land area. Much of its northern boundary is defined by the Kansas River, which flows through Lawrence and provides hydropower at the Bowersock Dam.
caption: Lone Star Lake, which is in southeastern Douglas County.
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