Lyon County on the map of Iowa 2024. Cities, roads, borders and directions in Lyon County of Iowa.

Lyon County is situated in the northwestern corner of Iowa. This beautiful county is named after Nathaniel Lyon, first Union general to be killed in the American Civil War. The total area of Lyon County is about 588 square miles. This county, created on Jan 15, 1851, is populated today by at least 12 thousand residents. Rock Rapids is the county seat of Lyon County. This map shows the borders of Lyon County as well as neighboring counties, including major highways and natural objecsts as of 2024. 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 Lyon County.