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)

How Clear Lake ranks

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#85Fewest uninsured in IL #250Most active in IL #301Lowest property tax in IL All IL rankings →

Town numbers

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Living in Clear Lake

Housing in Clear Lake

$93K Median sale price · Redfin, April 2026

The median sale price was $93,000 in April 2026.

Zillow Home Value Index · Redfin Data CenterHousing market →

Work & commute in Clear Lake

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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.

Springfield

51%

Riverton

Decatur

Bloomington

7%Work in townlive and work in Clear Lake 8 miWhere do people commute?the commute map 2,252Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in Clear Lake →

Health in Clear Lake

B⁺

Health Grade B+

Healthier than 67% of U.S. towns on seven CDC estimates.

Compared with Illinois

6better than IL·2worse

of 32 measures CDC estimates. The other 24 are too close to call.

Conditions 2▼ 10 close Habits all close Care 2▲ 5 close Mind all close Everyday needs 4▲ 0 close

BetterToo close to callWorse

What stands out

6.4%Fewer uninsured adultsIL 9.9% · better 10.9%Fewer adults facing food insecurityIL 15.9% · better 9.4%More adults who have had cancerIL 7.6% · worse

Care nearby

St. Johns HospitalSpringfield · 6.1 mi · ER

Siu Medicine North Dirksen Express CareSpringfield · 3.6 mi · sliding-scale fees

Primary careShortage · county-wide

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 62561, 62707, 62712 · CMS · HRSAHealth in Clear Lake →

Natural hazards in Clear Lake

Low

Expected storm and flood damage is higher than in 38% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🥶 Cold waves

30Does Clear Lake flood?paid flood claims since 1979 5Disasters that paid out herefederal disasters sent FEMA money to Clear Lake MapClear Lake vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Clear Lake →

Climate in Clear Lake

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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.

39° / 22°Winter

64° / 43°Spring

85° / 64°Summer

66° / 44°Fall

How much snow does Clear Lake get?About 21 inches a winter.Rain & snow →When is the first frost?Around Oct 20, with the last in spring around Apr 14.Frost dates →Is it warmer than it used to be?+0.8° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Clear Lake →

Schools in Clear Lake

All Clear Lake schools →

C⁺

School Grade C+

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.

See how Clear Lake’s schools compare in IL →

DistrictRiverton CUSD 14Schools3

Riverton Elem School C-Elementary · Grades PK–4 · 515 students Riverton Middle School CMiddle · Grades 5–8 · 347 students Riverton High School C+High · Grades 9–12 · 357 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within IL. Ratings are from neighbors.