Lake Sarah vs Union Lake
Two of the top-scoring lakes in Polk County, Minnesota, side by side.
Union Lake is the larger of the two at 887 acres against 366 for Lake Sarah. On our rankings, Union Lake comes out ahead for fishing, Lake Sarah comes out ahead for swimming, Union Lake comes out ahead for boating, Lake Sarah comes out ahead for camping, Lake Sarah comes out ahead for paddling, and Union Lake comes out ahead for ice fishing.
| Measure | Lake Sarah | Union Lake |
|---|---|---|
| Lake Score | 70 / 100 | 59 / 100 |
| Nearest town | Erskine | Erskine |
| Surface area | 366 acres | 887 acres |
| Max depth | 27 ft | 83 ft |
| Shoreline | 5.3 mi | 14.6 mi |
| Water clarity | 7.6 ft | 6.9 ft |
| Public access | 1 public boat launch (asphalt) | 1 public boat launch (asphalt) |
| Fish species | 10 | 12 |
| Game fish | Walleye, Northern Pike, Largemouth Bass, Black Crappie, Bluegill | Walleye, Northern Pike, Largemouth Bass, Black Crappie, Bluegill |
| Stocked | Yes | Yes |
| Special regulations | Yes | No |
| Swim beach | Yes | No |
| Camping | Yes | No |
| Invasive species | None listed | Eurasian watermilfoil, zebra mussel |
Which lake is better for…
- FishingUnion Lake
- SwimmingLake Sarah
- BoatingUnion Lake
- CampingLake Sarah
- PaddlingLake Sarah
- Ice FishingUnion Lake
The lakes
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Frequently Asked Questions
Which is bigger, Lake Sarah or Union Lake?
Union Lake is bigger at 887 acres; Lake Sarah covers 366 acres.
Which is deeper, Lake Sarah or Union Lake?
Union Lake is deeper, with a maximum depth of 83 feet against 27 feet.
Is Lake Sarah or Union Lake better for fishing?
Union Lake ranks higher for fishing in this directory, based on game species, lake size, access and stocking. Lake Sarah lists 10 species and Union Lake lists 12.