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Polk County fishing lakes
Northern pike is Polk County's strongest fishery. Maple Lake grades A+ for pike and A for bluegill, and at 1,641 acres it is the largest of the county's 17 surveyed lakes. Union Lake is the deepest at 83 feet. The DNR stocks 13 lakes here.
A Guide lake has a full page with a depth map, DNR survey data, top spots and stocking history. A Survey lake has the survey data and stocking history but no depth map, because the DNR has not published one. The rest open in the live map.
Recent fishing reports in Polk County →
Best by species: Walleye · Northern pike · Largemouth bass · Crappie · Bluegill · Yellow perch
| Lake | Fish | Acres | Max depth | Last survey |
|---|---|---|---|---|
| Maple Lake Guide | Walleye, Largemouth, Pike, Bluegill, Crappie, Perch | 1,641 | 14 ft | 2024 |
| Union Lake Guide | Walleye, Largemouth, Pike, Bluegill, Crappie, Perch, Rock bass | 888 | 83 ft | 2022 |
| Turtle Lake Guide | Walleye, Pike, Bluegill, Perch | 525 | 12 ft | 1991 |
| Sand Hill Lake Survey | Walleye, Pike, Crappie, Perch | 479 | 17 ft | 2018 |
| Sarah Lake Guide | Walleye, Largemouth, Pike, Bluegill, Crappie, Perch | 366 | 27 ft | 2021 |
| Cross Lake Guide | Walleye, Largemouth, Pike, Bluegill, Crappie, Perch, Rock bass | 320 | 19 ft | 2022 |
| Badger Lake Guide | Walleye, Largemouth, Pike, Bluegill, Crappie, Perch | 256 | 19 ft | 2016 |
| Whitefish Lake Guide | Walleye, Largemouth, Pike, Bluegill, Crappie, Perch, Rock bass | 243 | 18 ft | 2025 |
| Cameron Lake Guide | Pike, Bluegill, Perch | 225 | 9 ft | 1989 |
| Spring Lake Survey | Walleye, Largemouth, Pike, Bluegill, Crappie, Perch, Rock bass | 134 | 35 ft | 2023 |
| Crystal Lake Survey | Walleye, Largemouth, Pike, Bluegill, Crappie, Perch | 118 | 30 ft | 2025 |
| Hill River Lake Survey | Walleye, Largemouth, Pike, Bluegill, Crappie, Perch | 102 | 60 ft | 2025 |
| Poplar Lake Survey | Walleye, Largemouth, Pike, Bluegill, Crappie, Perch, Rock bass | 91 | 23 ft | 2025 |
| Perch Lake Survey | Walleye, Largemouth, Pike, Bluegill, Crappie, Perch | 84 | 19 ft | 2008 |
| Store Lake Survey | Walleye, Pike, Bluegill, Perch | 50 | 19 ft | 2009 |
| Cable Lake map only | Largemouth, Pike, Bluegill, Crappie, Perch | 194 | 14 ft | 1990 |
| Moe Lake map only | 51 | 12 ft | 1984 |
Quick answers
Fishing in Polk County
What is the best fishing lake in Polk County?
Maple Lake grades A+ for northern pike, the highest grade in Polk County on this site. Grades are based on DNR survey catch rates, fish size and trophy history.
How many fishing lakes are in Polk County?
The DNR has surveyed 17 lakes in Polk County, about 5,766 acres of water in all. 8 of them have a full guide page here.
What fish can you catch in Polk County?
DNR surveys have found walleye, largemouth bass, northern pike, bluegill, crappie, yellow perch and rock bass in Polk County lakes.
Which lake in Polk County is deepest?
Union Lake, at 83 feet. The largest is Maple Lake at 1,641 acres.
Are lakes in Polk County stocked?
Yes. The DNR has stocking records for 13 of the county's 17 surveyed lakes. If a lake has a page here, it lists what the DNR stocked and when.
Featured guide spot
Your guide service here
Featured spots are bought one lake at a time. Sponsor a lake in this county and your listing runs here too, shared evenly with any other sponsor in the county. Free through December 31, 2026.
Then $20 a month from January. Cancel any time.
Survey years in grey are more than 20 years old. Surveys that old do not count toward grades.