Osage County is located in the eastern part of Kansas. This wonderful county is named after Osage River, which flows through the area. The county seat of Osage County is Lyndon. The county's area is estimated at 704 square miles. Founded in 1855, today Osage County is home to 16 thousand residents. This map shows the borders of Osage County as well as neighboring counties, including major highways and natural objecsts as of 2026. Zoom in or out of the map using the plus/minus panel. Move the center of this map by dragging it. Also check out the satellite map of Osage County.
The borders of Osage County over the map of Kansas
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