Lake SummersetIL
A town of 2,364.
Lake Summerset has grown 14.4% since 2010
2,048 people in 2010; 2,364 today.
U.S. Census 2010 & 2020 · ACS
Lake Summerset’s report card
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The data
Ordered by what stands out in Lake Summerset. Another town gets a different order.
Very low risk, with inland flooding at the top
Expected storm and flood damage is higher than in 17% of U.S. communities.
Most working residents commute out of Lake Summerset
Most working residents leave Lake Summerset for work: only 1% work in town. The top destinations are Rockford (19%), Freeport (7%) and Chicago (5%). Half commute less than 22 miles.
Where working residents work
Four seasons, pleasant summers
Lake Summerset has cold, snowy winters and pleasant summers. A typical July afternoon reaches 83°, a January night drops to 13°, and about 37 inches of snow falls in a normal winter.
Typical low → high °F
Healthier than 59% of U.S. towns
Lake Summerset beats the Illinois average on 10 of 32 CDC measures and trails it on 9.
| What stands out | Lake Summerset | IL |
|---|---|---|
| Fewer adults facing housing insecurity | 7.8% | 13.2% |
| Fewer adults facing food insecurity | 9.6% | 15.9% |
| More adults who have had cancer | 12.8% | 7.6% |
Homes in Lake Summerset sell for about $276K
The median sale price was $276,000 in May 2026.
99% of working residents leave Lake Summerset for work
Where Lake Summerset’s working residents go each day. Line width shows the share.
Census LEHD 2023
About Lake Summerset
Census Designated Place in Illinois, United States
Lake Summerset is a census-designated place (CDP) in Stephenson and Winnebago counties in Illinois. The population was 2,342 at the 2020 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Population
- 2,342
- Area
- 2.5 sq mi
- Elevation
- 823 ft
- Area code
- 815
Lake Summerset’s neighbors
One town shares a border with Lake Summerset.