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Lakes / Illinois / Knox County

Lakes in Knox County, Illinois

10 lakes counted in Knox County - the largest is Spoon Lake at 546.84 acres.

10
Lakes Counted
546.84 acres
Largest - Spoon Lake

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

All Counted Lakes

#LakeCountySurface AreaMax Depth
1Spoon LakeKnox546.84 acres-
2Snakeden Hollow LakeKnox150.98 acres-
3Lake BrackenKnox142.09 acres-
4Lake StoreyKnox111.44 acres-
5Rice LakeKnox51.4 acres-
6Midland Employee LakeKnox45.67 acres-
7Lake WindsorKnox38.05 acres-
8Lake CalhounKnox31.88 acres-
9Green Oaks LakeKnox30.15 acres-
10Old Garage LakeKnox25.2 acres-
Find a Lake in Knox CountyLargest Lakes
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.