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

Johnson County is located in the eastern region of Iowa. This excellent county is named after Richard Mentor Johnson, US Vice President. The county seat of Johnson County is Iowa City. The county's area is estimated at 614 square miles. Established on Dec 21, 1837, today Johnson County is home to 155 thousand residents. This map shows the borders of Johnson 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 Johnson County.