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Lakes / Iowa / Mills County

Lakes in Mills County, Iowa

3 lakes counted in Mills County - the largest is Folsom Lake at 127 acres.

3
Lakes Counted
127 acres
Largest - Folsom Lake

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

All Counted Lakes

#LakeCountySurface AreaMax Depth
1Folsom LakeMills127 acres-
2Pony Creek LakeMills84 acres-
3Keg Creek LakeMills55 acres-
Find a Lake in Mills CountyLargest Lakes
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.