Riley County on the map of Kansas as of 2025. Cities, roads, borders and directions in Riley County of Kansas.

Riley County is situated in the northeastern region of Kansas. This beautiful county is named after Bennett C. Riley, Mexican–American War hero. The total area of Riley County is about 610 square miles. This county, created in 1855, is populated today by at least 72 thousand residents. Manhattan is the county seat of Riley County. This map shows the borders of Riley County as well as neighboring counties, including major highways and natural objecsts as of 2025. 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 Riley County.