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US 136 entering Colchester
Illinois›McDonough County

Colchester TownshipIL

4 bordering townsMap →
Photo: Adam Moss · CC BY-SA 2.0
Photo of Colchester Township

Colchester Township, IL · Photo: Adam Moss · CC BY-SA 2.0 · Source ↗

Is Colchester Township a good place to live?

The best of Colchester Township’s subject grades are an A− for the outdoors and history; the weakest is a C for incomes. Colchester Township’s typical journey to work is 16 minutes, where Illinois’ towns sit at 26 minutes and U.S. towns at 25 minutes. Most errands need a car: it is less walkable than 73% of U.S. towns. Argyle Lake State Park, at 644 acres with 6.2 miles of trail, is the biggest park or preserve. Colchester Township has fewer than 2,500 residents, so it gets subject grades but no overall grade.

What makes Colchester Township stand out

Where Colchester Township beats most towns.

A shrinking town

Colchester Township has shrunk 18% since 2010

1,837 counted in 2010 and 1,559 in 2020; an estimated 1,511 in 2025.

1,8372010
1,5592020
1,5112025 est.

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

How Colchester Township grades

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

How grading works

Character Graded, but not part of the overall grade.
Described, not graded Taste, not quality: snow or an older crowd is neither good nor bad.

How TownRatings grades towns →

Kleinkopf, Clarence, Round Barn
Kleinkopf, Clarence, Round Barn · National Register of Historic Places
Colchester Township’s story

170 years in pictures

Census counts: 1,067 in 1880, a peak of 1,747 in 1970, 1,108 in 2020. The archive holds 4 old photos and papers going back to 1881 and 2 maps from 1913 on.

2 places on the National Register of Historic Places.

  • 1856Colchester Township is settled
Explore the history →
Getting set up

Moving to Colchester Township: who provides what

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

The full setup list →
PowerAmeren Illinois Company16.7¢/kWh · EIA 2025HIFLD · EIA
WaterColchester water systemNo health-based violations in 5 years · EPAEPA
Internet5 providers98% of addresses get 100/20 MbpsFCC
Trash & dumpNot on file yetWe don’t have Colchester Township’s trash rules yet
SchoolsWest Prairie Community Unit School District 103Which school depends on your addressNCES
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 hereMcDonough County ClerkMcDonough County; contacts on the Handbook page.FVAP, Jun 2025
ZIP code6232662326 100%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 Colchester Township.

Work & commuteJobs & income grade C

About one in three of Colchester Township’s working residents commute to Macomb

For half of commuters, work is under 9 miles away. Colchester Township’s median household income stands at $64,000. Only just over a tenth of working residents stay in Colchester Township for work; the rest commute out. Jobs locally fell by 27 from 2013 to 2023, to 428.

11%work in town
Colchester TownshipIllinois townsU.S. towns
Median household income$64,000$83,000$80,000
Working residents who work in town11%8.3%8%

Where working residents work

In Colchester Township11%
Macomb36%
Colchester9%
Emmet Township3%
Carthage3%
9 mi
median commute distance
428
jobs based in Colchester Township
A commuter town
jobs vs. working residents
C
Walkability grade: more walkable than 27% of U.S. towns

Census LEHD 2023 · ACS

SchoolsC+

On state tests, Colchester Township’s schools trail 63% of Illinois districts

West Prairie CUSD 103 runs its public schools. Of its 4 schools, two are listed below, each with the reason. Public school enrollment in Colchester Township: 432 students across 3 schools.

37%of IL districts it outscoresC+School Grade
SchoolLevelStudentsLetter
West Prairie South Elementary SchLargest public elementary schoolGrades PK–6Grades PK–6182A+
West Prairie Senior High SchoolLargest public high schoolGrades 9–12Grades 9–12170B−

NCES · EDFacts · graded within IL on state tests and graduation

Climate

Four seasons and pleasant summers: that is Colchester Township’s year

A winter brings about 11 inches of snow, with January nights at 17° and July afternoons at 85°.

11″snow a winter

Typical low → high °F

Winter20–37°
Spring41–63°
Summer63–84°
Fall44–65°
Oct 22
typical first frost
Apr 13
typical last frost
+0.7°
vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Natural hazardsHazard risk grade B

Natural hazards: low risk in Colchester Township, mostly cold waves

Compared with 66% of U.S. communities, expected storm and flood damage in Colchester Township is lower. 25% of the town’s expected losses from natural hazards come from cold waves, followed by inland flooding at 18%.

34risk score of 100
FEMA risk score
34Low riskLowerHigher
Cold wavesInland floodingHeat waves

FEMA National Risk Index · OpenFEMA

OutdoorsA−

Conservation land takes up 10% of Colchester Township

6.3 miles of trail in 3 parks and preserves. For Colchester Township, the trail density is 0.4 miles per square mile.

10%conserved
Colchester TownshipIllinois townsU.S. towns
Conserved land10%3.7%4.3%
Miles of trail per square mile0.4 miles per square mile0.30.4
10%
conserved · 1,159 of 11,576 acres
6.3 mi
of trails · 0.3 per sq mi
Biggest places to walkTrailsAcres
1. Argyle Lake State Park6.2 mi644
2. Friendway Park—14
3. Colchester City Fair Grounds—8

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

HealthB−

Health in Colchester Township trails 54% of U.S. towns

15% of adults smoke cigarettes in Colchester Township. The town does better than the Illinois average on 5 of 32 CDC measures and worse on 9. Two figures for adults locally: 15% report frequent physical distress, 13% have diabetes.

47%healthier than U.S. townsB−Health Grade
Colchester TownshipIllinois townsU.S. towns
High blood pressure (CDC PLACES)39%35%35%
Frequent physical distress (CDC PLACES)15%13%14%
Diabetes (CDC PLACES)13%11%12%
Smoke cigarettes (CDC PLACES)15%13%14%
32 measures vs. Illinois
5 better18 too close to call9 worse
What stands outColchester TownshipIL
Fewer adults facing housing insecurity9.8%13.2%
Fewer uninsured adults7.5%9.9%
More adults with COPD9.1%6.3%
Mc Donough District Hospital
7 mi away · emergency room
3 of 3
care shortages: primary care, dental, mental health

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

Keep exploring

Everything we know about Colchester Township

18pages on Colchester Township
After high school

Colleges nearby

1 within 15 miles of the center of Colchester Township

About 1 of every 100 Colchester Township residents are enrolled in college, against 6 across Illinois.

Prices by family income, graduation and earnings →

A commuter town

89% of working residents leave Colchester Township for work

Where Colchester Township’s working residents go each day. Line width shows the share.

36% → Macomb Macomb 36% 9% → Colchester Colchester 9% 3% → Emmet Township Emmet Township 3% 3% → Carthage Carthage 3% 3% → Peoria Peoria 3% 2% → Chicago Chicago 2% Colchester Township · 11% stay
428jobs based in Colchester Township
11%of working residents work in town
9 mimedian commute distance

Census LEHD 2023

Landmarks

2 places in Colchester Township on the National Register of Historic Places.

All landmarks →

About Colchester Township

City in Illinois, United States

Colchester is a city in McDonough County, Illinois, United States. The population was 1,108 at the 2020 census, down from 1,401 in 2010. The city is named after the city of Colchester, England.

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

Area
1.0 sq mi
Elevation
689 ft
ZIP code
62326
Area code
309

Colchester Township’s neighbors

4 towns share a border with Colchester Township.

Explore the map →
How the neighbors grade
TownIL rankOverallCostSafetySchoolsHealth
Colchester Township——B—C+B−
Chalmers Township——————
Tennessee Township——————
Emmet Township——————
Hire Township——————

Colchester Township has fewer than 2,500 residents, so it gets subject grades but no overall grade. Colchester Township reports no FBI crime data of its own. Chalmers Township, Tennessee Township, Emmet Township and Hire Township aren’t graded (fewer than 1,000 residents, or not enough data). Compare Colchester Township with a neighbor →

Questions about Colchester Township

Short answers, built from the data on this page.

Is Colchester Township, IL expensive?

Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades B.