Atchison County on the map of Missouri 2024. Cities, roads, borders and directions in Atchison County of Missouri.

Atchison County is situated in the northwestern corner of Missouri. This glorious county is named after U.S. Senator David Rice Atchison (1807–1886), a Democrat from Missouri. The total area of Atchison County is about 545 square miles. This county, created in 1843, is populated today by at least 5 thousand residents. Rock Port is the county seat of Atchison County. This map shows the borders of Atchison 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 Atchison County.