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Denning

A township of 4,682 people in Franklin County, Illinois

Town hallWanted · be the first Main streetWanted · be the first The libraryWanted · be the first Add a photoStart the Denning album

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Around town

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The Denning album

0 of 12 shotsNeighbors document Denning together

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Outdoors in Denning

Parks & trails →

Conserved land0.5%117 of 23,559 acres

Trails8.6 mi0.2 mi per sq mi

Parks & preserves025 conserved acres per 1,000 residents

Know a trail or park that’s missing? Anyone can add it to OpenStreetMap, and it shows up here on the next refresh.

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

Know Denning

The town at a glance, and the guide to how things work

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About Denning

Township in Illinois, United States

4,729Population

37 sq miArea

387 ftElevation

Denning Township is one of twelve townships in Franklin County, Illinois, USA. As of the 2020 census, its population was 4,729 and it contained 2,352 housing units.

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

How Denning ranks

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#26Lowest property tax in IL #29Most affordable in IL #143Cheapest rent in IL All IL rankings →

Town numbers

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Living in Denning

Work & commute in Denning

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Most working residents leave Denning for work: only 12% work in town. The top destinations are Marion (16%), West Frankfort (14%) and Mount Vernon (9%). Half commute less than 12 miles.

Marion

16%

West Frankfort

14%

Mount Vernon

Benton

12%Work in townlive and work in Denning 12 miWhere do people commute?the commute map 1,766Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in Denning →

Health in Denning

C⁻

Health Grade C−

Healthier than 15% of U.S. towns on seven CDC estimates, and 32% of towns with similar incomes.

Compared with Illinois

1better than IL·15worse

of 32 measures CDC estimates. The other 16 are too close to call.

Conditions 9▼ 3 close Habits 2▼ 2 close Care 1▲ 1▼ 5 close Mind 3▼ 2 close Everyday needs all close

BetterToo close to callWorse

What stands out

79%More adults treating high blood pressureIL 75.7% · better 11%More adults with COPDIL 6.3% · worse

Care nearby

Franklin HospitalBenton · 7.8 mi · ER · rural critical access

Christopher Greater Area Rural Health Planning Corporation & Rea ClinicChristopher · 6.7 mi · sliding-scale fees

Primary careShortage · county-wide

DentalShortage · county-wide

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 62896, 62865, 62812 · CMS · HRSAHealth in Denning →

Natural hazards in Denning

High

Expected storm and flood damage is higher than in 76% of U.S. communities.

🏚️ Earthquakes🌊 Inland flooding🥶 Cold waves

26Does Denning flood?paid flood claims since 1979 1Disasters that paid out herefederal disaster sent FEMA money to Denning MapDenning vs. its neighborsnearby towns shaded by rating

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

Climate in Denning

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Denning has chilly winters and warm summers. A typical July afternoon reaches 88°, a January night drops to 24°, and about 10 inches of snow falls in a normal winter.

44° / 27°Winter

67° / 45°Spring

87° / 65°Summer

69° / 46°Fall

How much snow does Denning get?About 10 inches a winter.Rain & snow →When is the first frost?Around Oct 28, with the last in spring around Apr 4.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 Denning →

Schools in Denning

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School Grade D

The public schools Denning’s kids attend, from kindergarten through graduation, trail 89% of Illinois’s districts on state tests and graduation. Among towns with similar incomes, they rank near the bottom.

DistrictFrankfort CUSD 168Schools1

Denning Elementary SchoolElementary · Grades PK–2 · 439 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.