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Lakes / Oklahoma / Stephens County / Duncan Lake

Duncan Lake, Oklahoma

387.89 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Oklahoma

Oklahoma CityTulsaDuncan LakeStephens Co.

34.52 degrees N, 97.82 degrees W - Stephens County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.

How Duncan Lake Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Clear Creek LakeStephens5.6 mi678.01 acres
Lake HumphreysStephens6.8 mi760.87 acres
Oknoname 137093 ReservoirStephens7.1 mi44.23 acres
Lake FuquaStephens10 mi1,351.77 acres
Comanche LakeStephens11 mi196.7 acres
Taylor LakeGrady17 mi211.43 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID134138526
CountyStephens
Coordinates34.5192, -97.8191

Questions About Duncan Lake

How Big Is Duncan Lake?

Duncan Lake covers 387.89 acres in Stephens County, Oklahoma.

What Is the Largest Lake in Stephens County?

Lake Fuqua is the largest lake in Stephens County, at 1,351.77 acres.

Largest Lakes in Oklahoma

#LakeCountySurface AreaMax Depth
1Eufaula LakePittsburg100,734.12 acres-
2Lake TexomaMarshall59,414.43 acres-
3Grand Lake O' The CherokeesDelaware38,902.36 acres-
4Robert S Kerr ReservoirHaskell35,795.91 acres-
5Oologah LakeRogers29,728.7 acres-

All 376 Oklahoma lakes ranked by surface area

Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 134138526). Verified October 30, 2026.