Casner Township is one of sixteen townships in Jefferson County, Illinois, USA. As of the 2020 census, its population was 1,209 and it contained 509 housing units.

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Town numbers

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Living in Casner

Work & commute in Casner

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Most working residents leave Casner for work: only 3% work in town. The top destinations are Mount Vernon (34%), Marion (3%) and Nashville (3%). Half commute less than 13 miles.

Mount Vernon

34%

Marion

Nashville

Centralia

3%Work in townlive and work in Casner 13 miWhere do people commute?the commute map 101Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in Casner →

Health in Casner

Compared with Illinois

5better than IL·6worse

of 32 measures CDC estimates. The other 21 are too close to call.

Conditions 5▼ 7 close Habits 1▼ 3 close Care 1▲ 6 close Mind all close Everyday needs 4▲ 0 close

BetterToo close to callWorse

What stands out

6.6%Fewer uninsured adultsIL 9.9% · better 12%Fewer adults facing food insecurityIL 15.9% · better 8%More adults with COPDIL 6.3% · worse

Care nearby

Deaconess Illinois CrossroadsMount Vernon · 8.8 mi · ER

Mt. Vernon Health & Wellness CenterMount Vernon · 8.7 mi · sliding-scale fees

Primary careShortage · county-wide

DentalShortage · county-wide

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 62898, 62808, 62877 · CMS · HRSAHealth in Casner →

Natural hazards in Casner

High

Expected storm and flood damage is higher than in 64% of U.S. communities.

🏚️ Earthquakes🌊 Inland flooding🌪️ Tornadoes

0Does Casner flood?no paid flood claims on record NoneDisasters that paid out hereof 3 declared for Jefferson County MapCasner vs. its neighborsnearby towns shaded by rating

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

Climate in Casner

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Casner has chilly winters and warm summers. A typical July afternoon reaches 87°, a January night drops to 23°, and about 8 inches of snow falls in a normal winter.

42° / 26°Winter

66° / 45°Spring

86° / 65°Summer

68° / 46°Fall

How much snow does Casner get?About 8 inches a winter.Rain & snow →When is the first frost?Around Oct 26, with the last in spring around Apr 7.Frost dates →Is it warmer than it used to be?+0.6° vs. the 20th century.Then & now →

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

Schools in Casner

All Casner schools →

B⁻

School Grade B-

The public schools Casner’s kids attend, from kindergarten through graduation, outperform 53% of Illinois’s districts on state tests and graduation. Among towns with similar incomes, they sit near the middle.

DistrictWoodlawn Unit School District 209Schools1

Woodlawn High School B-High · Grades 9–12 · 174 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.