Lakes / Illinois / Lake County / Countryside Lake
Countryside Lake, Illinois
140.85 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Illinois
42.25 degrees N, 88.05 degrees W - Lake 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 Countryside Lake Stacks Up
- Larger than 68% of the 511 lakes counted in Illinois.
- About 34 miles from Chicago, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Sylvan Lake | Lake | 0.7 mi | 31.88 acres |
| Diamond Lake | Lake | 1.9 mi | 152.46 acres |
| Davis Lake | Lake | 2.2 mi | 33.11 acres |
| Loch Lomond | Lake | 2.6 mi | 75.12 acres |
| Forest Lake | Lake | 2.8 mi | 39.54 acres |
| Saint Marys Lake | Lake | 3.4 mi | 105.51 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Countryside Lake
How Big Is Countryside Lake?
Countryside Lake covers 140.85 acres in Lake County, Illinois.
What Is the Largest Lake in Lake County?
Nippersink Lake is the largest lake in Lake County, at 2,492.93 acres.
Largest Lakes in Illinois
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Carlyle Lake | Clinton | 22,796.77 acres | - |
| 2 | Mine Number 21 Reservoir | Franklin | 17,062.04 acres | - |
| 3 | Upper Peoria Lake | Woodford | 15,460.64 acres | - |
| 4 | Lake Shelbyville | Shelby | 10,235.1 acres | - |
| 5 | Crab Orchard Lake | Williamson | 7,292.57 acres | - |
All 511 Illinois lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 109984612). Verified October 30, 2026.