Leef Township is located in Madison County, Illinois, in the United States. As of the 2010 census, its population was 628 and it contained 246 housing units.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

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Living in Leef

Work & commute in Leef

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Most working residents leave Leef for work: only 2% work in town. The top destinations are Highland (7%), St. Louis (7%) and Alhambra (6%). Half commute less than 23 miles.

Highland

St. Louis, MO

Alhambra

Maryville

2%Work in townlive and work in Leef 23 miWhere do people commute?the commute map 48Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in Leef →

Health in Leef

Compared with Illinois

6better than IL·4worse

of 32 measures CDC estimates. The other 22 are too close to call.

Conditions 4▼ 8 close Habits all close Care 2▲ 5 close Mind all close Everyday needs 4▲ 0 close

BetterToo close to callWorse

What stands out

6.7%Fewer uninsured adultsIL 9.9% · better 11.5%Fewer adults facing food insecurityIL 15.9% · better 9.8%More adults who have had cancerIL 7.6% · worse

Care nearby

St. Joseph's HospitalHighland · 8.1 mi · ER · rural critical access

Sihf Healthcare - Glen CarbonGlen Carbon · 17.4 mi · sliding-scale fees

Primary careNo shortage

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 62275, 62249, 62001 · CMS · HRSAHealth in Leef →

Natural hazards in Leef

High

Expected storm and flood damage is higher than in 69% of U.S. communities.

🌊 Inland flooding🏚️ Earthquakes🌪️ Tornadoes

0Does Leef flood?no paid flood claims on record NoneDisasters that paid out hereof 14 declared for Madison County MapLeef vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Leef →

Climate in Leef

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Leef has chilly winters and warm summers. A typical July afternoon reaches 88°, a January night drops to 22°, and about 10 inches of snow falls in a normal winter.

41° / 25°Winter

65° / 44°Spring

86° / 65°Summer

67° / 46°Fall

How much snow does Leef get?About 10 inches a winter.Rain & snow →When is the first frost?Around Oct 24, with the last in spring around Apr 13.Frost dates →Is it warmer than it used to be?+0.9° vs. the 20th century.Then & now →

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

Schools in Leef

All Leef schools →

A⁻

School Grade A-

The public schools Leef’s kids attend, from kindergarten through graduation, outperform 79% of Illinois’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.

DistrictHighland CUSD 5Schools1

Grantfork Upper Elementary Sch A-Elementary · Grades 4–5 · 66 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.