Camp Butler National Cemetery · National Register of Historic Places
Clear Lake’s story
Clear Lake in pictures
1 places on the National Register of Historic Places.
Explore the history →Clear LakeIL
A town of 8,302. Nearly 5.1% of it is conserved land.
Population
8,302
−2.1% since 2010
Median home value
$196K
Census ACS
Household income
$86K
median
Median age
46.7
years
Jobs based here
2,252
A commuter town
What makes Clear Lake stand out
The 2 things Clear Lake does most differently from other towns.
A commuter town
93% of working residents leave Clear Lake for work
Where Clear Lake’s working residents go each day. Line width shows the share.
2,252jobs based in Clear Lake
7%of working residents work in town
8 mimedian commute distance
Census LEHD 2023
Clear Lake’s report card
Now in Clear Lake
Be the first to start the conversation.
Residents weigh in
Clear Lake is #34 of 820 in IL for “Vacation-home towns”. Fair?
Your answer becomes a post in Clear Lake’s Town Square.
Start a conversation
The data
Ordered by what stands out in Clear Lake. Another town gets a different order.
Outdoors
5.1% of Clear Lake is conserved land
1.4 miles of trails across 5 parks and preserves.
5.1%conserved
5.1%
conserved · 1,113 of 21,968 acres
1.4 mi
of trails · 0 per sq mi
#308
most conserved land in IL
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Field of Dreams Park | 0.1 mi | 19 |
| 2. Center Park | — | 8 |
| 3. Veterans Memorial Park | 0.1 mi | 3 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-USParks & trails →
Work & commute
Most working residents commute out of Clear Lake
Most working residents leave Clear Lake for work: only 7% work in town. The top destinations are Springfield (51%), Riverton (5%) and Decatur (3%). Half commute less than 8 miles.
7%work in town
Where working residents work
In Clear Lake7%
Springfield51%
Riverton5%
Decatur3%
Bloomington2%
8 mi
median commute distance
2,252
jobs based in Clear Lake
A commuter town
jobs vs. working residents
Census LEHD 2023 · ACSCommute map →
Housing
Homes in Clear Lake sell for about $93K
The median sale price was $93,000 in April 2026.
$93Kmedian sale price
1
homes sold in April
Zillow Home Value Index · Redfin Data CenterHousing market →
Health
Healthier than 67% of U.S. towns
Clear Lake beats the Illinois average on 6 of 32 CDC measures and trails it on 2.
B+Health Grade
32 measures vs. Illinois
6 better24 too close to call2 worse
| What stands out | Clear Lake | IL |
|---|---|---|
| Fewer uninsured adults | 6.4% | 9.9% |
| Fewer adults facing food insecurity | 10.9% | 15.9% |
| More adults who have had cancer | 9.4% | 7.6% |
St. Johns Hospital
6.1 mi away · emergency room
2 of 3
care shortages: primary care, mental health
63rd
percentile among IL towns
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSAFull health report →
Climate
Four seasons, pleasant summers
Clear Lake has chilly winters and warm summers. A typical July afternoon reaches 86°, a January night drops to 19°, and about 21 inches of snow falls in a normal winter.
21″snow a winter
Typical low → high °F
Winter22–39°
Spring43–64°
Summer64–85°
Fall44–66°
Oct 20
typical first frost
Apr 14
typical last frost
+0.8°
vs. the 20th-century average
NOAA U.S. Climate Normals, 1991–2020Full climate →
Natural hazards
Low risk, with inland flooding at the top
Expected storm and flood damage is higher than in 38% of U.S. communities.
38risk score of 100
FEMA risk score
Inland floodingTornadoesCold waves
30
paid flood claims since 1979
5
federal disasters paid out here
FEMA National Risk Index · OpenFEMANatural hazards →
Schools
Clear Lake’s public schools outperform 43% of Illinois districts
The public schools Clear Lake’s kids attend, from kindergarten through graduation, trail 57% of Illinois’s districts on state tests and graduation. Among towns with similar incomes, they rank near the bottom.
C+School Grade
| School | Grades | Students | Grade |
|---|---|---|---|
| Riverton Elem School | PK–4 | 515 | C− |
| Riverton Middle School | 5–8 | 347 | C |
| Riverton High School | 9–12 | 357 | C+ |
NCES · EDFacts · graded within IL on state tests and graduationAll 3 schools →
About Clear Lake
Former village in Illinois, United States
Clear Lake is an unincorporated community and former incorporated village in Sangamon County, Illinois, United States. As of the 2020 census, Clear Lake had a population of 203. It is part of the Springfield, Illinois Metropolitan Statistical Area.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Population
- 203
- Area
- 0.1 sq mi
Clear Lake’s neighbors
5 towns share a border with Clear Lake.
CapitalSpringfieldWilliamsSpringfieldMechanicsburgClear Lake