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Lakes / Iowa / Johnson County

Lakes in Johnson County, Iowa

2 lakes counted in Johnson County - the largest is Lake MacBride at 866 acres.

2
Lakes Counted
866 acres
Largest - Lake MacBride

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

All Counted Lakes

#LakeCountySurface AreaMax Depth
1Lake MacBrideJohnson866 acres-
2Swan LakeJohnson35 acres-
Find a Lake in Johnson CountyLargest Lakes
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.