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Illinois›Lawrence County
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Denison TownshipIL

A town of 1,246.

Population
1,246
2025 Census estimate · −8.9% since 2020
Median home value
$127K
Census ACS
Household income
$71K
median
Median age
35.0
years
Jobs based here
88
A commuter town

Is Denison Township a good place to live?

Denison Township’s best subject grades are an A for cost of living and history; its weakest is a D for schools. Only 114 of Illinois’ 1,285 towns score lower on hazard risk. Denison Township has fewer than 2,500 residents, so it gets subject grades but no overall grade.

StrongestACost of livingAHistoryWeakestDSchoolsC−Hazard riskC−Health
A shrinking town

Denison Township has shrunk 21% since 2010

1,558 counted in 2010 and 1,344 in 2020; an estimated 1,246 in 2025.

1,5582010
1,3442020
1,2462025 est.

U.S. Census 2010 & 2020 counts · Census Bureau estimate, July 1, 2025

How Denison Township grades

Each subject compared with towns across the country (schools within Illinois), ordered by how far Denison Township is from typical.

How grading works

Cost of livingTypical home $127K, 2.3 years of the county’s $55K median household incomeAOpen →SchoolsBehind 87% of Illinois districts on tests and graduationDOpen →Hazard riskinland flooding tops the listC−Open →HealthLawrence County Memorial Hospital 6.9 miles awayC−Open →Jobs & income$71K median household incomeC+Open →WalkabilityEPA walkability 3.3 of 20; 4.6% of households have no car; 15.2% of workers walk, bike or ride transitB−Open →
Character Graded, but not part of the overall grade.
Outdoors2% conserved landC+Open →HistoryAOpen →Civic life1.8 community nonprofits per 1,000 residentsB−Open →
Described, not graded Taste, not quality: snow or an older crowd is neither good nor bad.
Climate–Open →Who lives hereMedian age 35.0; 13% of adults have a four-year degree–Open →

How TownRatings grades towns →

Getting set up

Moving to Denison Township: who provides what

Who provides power, water and the rest in Denison Township, and how to reach them.

The full setup list →
PowerAmeren Illinois Company16.7¢/kWh · EIA 2025HIFLD · EIA
WaterSt Francisville water systemNo health-based violations in 5 years · EPAEPA
InternetProviders and speedsData pending · D4
Trash & dumpNot on file yetWe don’t have Denison Township’s trash rules yet
SchoolsLawrence County Community Unit District 20Red Hill Community Unit School District 102 districts serve Denison Township; which school depends on your address and gradeNCES
Register to voteOnlineIn Illinois you can register online until 16 days before Election Day, in person up to and including Election Day, or by mail (postmarked 28 days before).vote.gov
Who runs elections hereLawrence County ClerkLawrence County; contacts on the Handbook page.FVAP, Jun 2025
ZIP codes62460, 62439, 6241762460 71% · 62439 22% · 62417 7%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 12, 2025.

The data

Ordered by what stands out in Denison Township.

HealthC−

Health in Denison Township trails 79% of U.S. towns

Denison Township beats the Illinois average on 0 of 32 CDC measures and trails it on 13. 16% of adults report frequent physical distress in Denison Township, above both Illinois’ towns (13%) and U.S. towns (14%). 18% of adults smoke cigarettes in Denison Township.

21%healthier than U.S. townsC−Health Grade
Denison TownshipIllinois townsU.S. towns
Frequent physical distress (CDC PLACES)16%13%14%
Smoke cigarettes (CDC PLACES)18%13%14%
Fair or poor health (CDC PLACES)23%18%19%
High blood pressure (CDC PLACES)39%35%35%
32 measures vs. Illinois
0 better19 too close to call13 worse
What stands outDenison TownshipIL
More older adults who have lost all their teeth17.4%10.3%
More adults with COPD10.4%6.3%
More smokers18%12.1%
Lawrence County Memorial Hospital
6.9 mi away · emergency room
3 of 3
care shortages: primary care, dental, mental health
Full pageDenison Township’s health reportOpen the page
Everyday habitsMore smokersHospitals & doctors nearby6.9 miles to an ER · Lawrence County Memorial HospitalHow adults are doingMore adults in frequent physical distressEvery CDC estimateBetter than IL on 0 of 32

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

Work & commuteJobs & income grade C+

Most of Denison Township’s workers commute out: the town has 0.2 jobs for each of them

Most working residents leave Denison Township for work: only 2% work in town. At 18 minutes, Denison Township’s average trip to work is below both the Illinois town median (26 minutes) and the median of U.S. towns (25 minutes). Since 2013, Denison Township has added 49 jobs, to 88 in 2023.

2%work in town
Denison TownshipIllinois townsU.S. towns
Average trip to work18 minutes26 minutes25 minutes
Below the poverty line4.8%8.4%9.6%
Working residents who work in town1.9%8.3%8%
Median household income$71,000$83,000$80,000

Where working residents work

In Denison Township2%
Vincennes9%
Lawrenceville7%
Robinson5%
Allison Township4%
24 mi
median commute distance
88
jobs based in Denison Township
A commuter town
jobs vs. working residents
B−
Walkability grade: more walkable than 50% of U.S. towns
Full pageDenison Township’s work & commute pageOpen the page
The jobs here88 jobs based here · A commuter townWhere people work2% work in Denison TownshipCommute times18 minutes · The average commuteHow far they goHalf commute less than 24 miles

Census LEHD 2023 · ACS

Natural hazardsHazard risk grade C−

Denison Township faces a high natural-hazard risk, led by inland flooding

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

78risk score of 100
FEMA risk score
78High riskLowerHigher
Inland floodingEarthquakesDrought
1
federal disasters paid out here
Full pageDenison Township’s hazards pageOpen the page
What it facesHigh riskFlood claims0 paid flood claims · No paid flood claims on recordPast disasters1 federal disaster · Paid out in Denison TownshipGet ready1.3 events a year, on average · Ready for inland flooding

FEMA National Risk Index · OpenFEMA

Climate

In Denison Township, expect four seasons and pleasant summers

Denison Township has chilly winters and warm summers. Denison Township’s July high is 88°F.

16″snow a winter

Typical low → high °F

Winter26–42°
Spring45–66°
Summer65–86°
Fall46–68°
Oct 26
typical first frost
Apr 8
typical last frost
+0.9°
vs. the 20th-century average
Full pageDenison Township’s climate pageOpen the page
A year of weatherJuly highs 88°, January lows 23°Rain & snow16″ of snow a winter · 47 inches of rain and snow a yearHeating & coolingMostly a heating billThen and now+0.9° vs. the 20th century · Warmer than the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

OutdoorsC+

Denison Township has set aside 2.2% of its land for conservation

12 miles of trail in 0 parks and preserves.

2.2%conserved
Denison TownshipIllinois townsU.S. towns
Miles of trail per square mile0.2 miles per square mile0.30.4
Conserved land2.2%3.7%4.3%
2.2%
conserved · 831 of 37,168 acres
12 mi
of trails · 0.2 per sq mi
Full pageDenison Township’s outdoors pageOpen the page
Trail map12 miles of trail, mappedPick a walkPick a walkConserved land2.2% conserved · 831 acres protectedQuestions“Where can I hike in Denison Township?”

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

Nearby attractions

George Rogers Clark National Historical Park and 3 more within 40 miles

Museums, parks, gardens and other places to visit around Denison Township. Close and well known come first.

All 16 attractions →
9 mi National Historical ParkGeorge Rogers Clark National Historical Park113K visitors a year22 mi CaveBurrows Cave9 mi MuseumIndiana Military Museum10 mi MuseumIndiana Territorial Capitol
Sources: National Park Service · ski areas © OpenSkiMap / OpenStreetMap contributors · Wikidata · Wikipedia readership · photos via Wikimedia Commons
Photo credits

George Rogers Clark National Historical Park: The original uploader was Agentmoose at English Wikipedia. on 2006-07-08., CC BY-SA 2.5 · Indiana Territorial Capitol: Nyttend, Public domain

Keep exploring

Everything we know about Denison Township

17pages on Denison Township
The big questions
SchoolsDBehind 87% of IL districtsHealthC−Better than IL on 0 of 32 CDC measuresCost of livingAWork & commuteC+$71K median household income · 88 jobs hereNatural hazardsC−FEMA risk higher than 78% of U.S. communities · inland flooding
Out and about
OutdoorsC+12 mi of trails · 2% conserved landPlacesAttractions16 nearby · Indiana Military Museum 9 miLibraryB−Lawrence Public Library DistrictCollegesVincennes University is 9.8 mi away
The story
Town Hall & politicsOne full-time town employee per 1,246 residentsClimate88° summer highs · 16″ of snow
Day to day
NewsWeatherHandbookTown SquareNeighbors
After high school

Colleges nearby

1 within 15 miles of the center of Denison Township

Vincennes UniversityUniversity or college · Public · Vincennes, IN9.8 mi$7,126 in-state tuition

About 0 of every 100 Denison Township residents are enrolled in college, against 6 across Illinois.

Prices by family income, graduation and earnings →

Small town

1,246 people, and everyone knows the way

In a town this size, neighbors are the best guide. Ask them anything.

Nearby towns
St. Francisville · 4 miLawrenceville · 7 miBridgeport · 7 miVincennes Township · 7 miBridgeport Township · 7 miLawrence Township · 7 mi
Vincennes TownshipSt. FrancisvilleLawrence TownshipLukin TownshipAllison TownshipVincennes TownshipSt. FrancisvilleLawrence TownshipLukin TownshipAllison TownshipDenison Township

About Denison Township

Township in Illinois, United States

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)

Area
58 sq mi
Elevation
492 ft

Questions about Denison Township

Short answers, built from the data on this page.

Is Denison Township, IL expensive?

Not for the area. Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades A.