Henry County is situated in the northern part of Illinois. This wonderful county was named after Patrick Henry (1736–1799), American Revolutionary War figure; first and sixth Governor of Virginia. The area of Henry County is about 822 square miles. The county, organized in 1825, is populated today by 49 thousand residents. Cambridge is the county seat of Henry County. This map shows the borders of Henry 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 Henry County.
The borders of Henry County over the map of Illinois
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