Washtenaw County on the map of Michigan 2024. Cities, roads, borders and directions in Washtenaw County of Michigan.

Washtenaw County is situated in the southeastern region of Michigan. The area of Washtenaw County is about 723 square miles. The county was founded in 1826 from parts of Oakland County and Wayne County, and it is populated today by 369 thousand residents. Ann Arbor is the county seat of Washtenaw County. The county is named after the Native American name for the Grand River, O-wash-ta-nong (faraway water), whose headwaters were within the county's bounds. This map shows the borders of Washtenaw 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 Washtenaw County.