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Denison

A township of 1,616 people in Lawrence County, Illinois

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Now in Denison

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Around town

The places and views that make it Denison

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The Denison album

0 of 12 shotsNeighbors document Denison together

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Outdoors in Denison

Parks & trails →

Conserved land2.2%831 of 37,168 acres

Trails12 mi0.2 mi per sq mi

Parks & preserves0514 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

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Know Denison

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

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About Denison

Township in Illinois, United States

1,344Population

58.4 sq miArea

492 ftElevation

Denison Township is located in Lawrence County, Illinois. As of the 2020 census, its population was 1,344 and it contained 643 housing units. The township's name honors William Denison, a county official.

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

Town numbers

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Living in Denison

Work & commute in Denison

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Most working residents leave Denison for work: only 2% work in town. The top destinations are Vincennes (9%), Lawrenceville (7%) and Robinson (5%). Half commute less than 24 miles.

Vincennes, IN

9%

Lawrenceville

7%

Robinson

5%

Allison

4%

2%Work in townlive and work in Denison 24 miWhere do people commute?the commute map 88Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in Denison →

Health in Denison

C⁻

Health Grade C−

Healthier than 22% of U.S. towns on seven CDC estimates.

Compared with Illinois

13worse than IL

of 32 measures CDC estimates. The other 19 are too close to call.

Conditions 8▼ 4 close Habits 1▼ 3 close Care 1▼ 6 close Mind 3▼ 2 close Everyday needs all close

BetterToo close to callWorse

What stands out

17.4%More older adults who have lost all their teethIL 10.3% · worse 10.4%More adults with COPDIL 6.3% · worse 18%More smokersIL 12.1% · worse

Care nearby

Lawrence County Memorial HospitalLawrenceville · 6.9 mi · ER · rural critical access

Willows Family Health CenterVincennes · 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 62460, 62439, 62417 · CMS · HRSAHealth in Denison →

Natural hazards in Denison

High

Expected storm and flood damage is higher than in 78% of U.S. communities.

🌊 Inland flooding🏚️ Earthquakes🌵 Drought

0Does Denison flood?no paid flood claims on record 1Disasters that paid out herefederal disaster sent FEMA money to Denison MapDenison vs. its neighborsnearby towns shaded by rating

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

Climate in Denison

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Denison has chilly winters and warm summers. A typical July afternoon reaches 88°, a January night drops to 23°, and about 16 inches of snow falls in a normal winter.

42° / 26°Winter

66° / 45°Spring

86° / 65°Summer

68° / 46°Fall

How much snow does Denison get?About 16 inches a winter.Rain & snow →When is the first frost?Around Oct 26, with the last in spring around Apr 8.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 Denison →

Libraries near Denison

Nearest: Lawrence Public Library DistrictLawrenceville · 6.7 miles · 41 hrs a week

Famous people from DenisonWriters, athletes, leaders and more who were born in Denison.Meet them →

Where Denison is

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Locator map of Denison — Wikimedia Commons · Map: Omnedon · Public domain

Location map

Illinois · IL · Lawrence CountyTown boundary on OpenStreetMap →

How things work in Denison

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Town hall & decisionsTrash, recycling & yard wasteUtilities & servicesStreets, parking & getting aroundSafety & preparednessSchools & learningParks, sports & recreationHealth & emergency care