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Lakes / Illinois / Henry County

Lakes in Henry County, Illinois

2 lakes counted in Henry County - the largest is Shadow Lake at 88.22 acres.

2
Lakes Counted
88.22 acres
Largest - Shadow Lake

Henry County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.

All Counted Lakes

#LakeCountySurface AreaMax Depth
1Shadow LakeHenry88.22 acres-
2Johnson LakeHenry55.85 acres-
Find a Lake in Henry CountyLargest Lakes
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.