Blog · October 14, 2026 · Illinois
Coles County Township Map, Illinois
Civil and survey townships in Coles County, with the free map, starting near Charleston.
Main page: Coles County, IL GIS & Parcel Viewer (official map link, Coles County facts and neighboring maps).
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A Coles County township map answers two different questions around Ashmore: which local township a property sits in, and where it falls on the survey grid. Below we sort out the kinds of townships in Coles County and where to see each one.
What a Coles County township map lists
A township name on a county tax record refers to the civil township where the land near Oakland sits. Separately, Illinois land near Oakland sits on the Public Land Survey System, with blocks roughly 6 miles on a side, divided into 36 numbered sections.
Step one: the free Coles County viewer
Coles County publishes its parcels on the Coles County ArcGIS parcel map, which runs on an Esri ArcGIS web map, free to use for a lot in Charleston or a parcel near Mattoon. Use the search box for an address in Charleston or a parcel number, or simply zoom in and click a parcel near Mattoon. For a backup route to the map covering Mattoon, our Coles County directory entry keeps the link current.
Seeing township lines on the Coles County map
Open the Coles County ArcGIS parcel map and look in the layer list for township or municipal boundaries; click a parcel near Oakland and the record commonly names the township. Copy the section-township-range from the Coles County parcel record to match it with a deed or an older atlas.
Neighboring maps around Coles County
Coles County borders Clark County, Cumberland County, Douglas County, Edgar County, and Moultrie County, and each keeps its own parcel map and records. Every map bordering Coles County is listed on our Illinois directory.
Coles County at a glance
From Charleston, the seat of the county, the map spreads out to Mattoon, Oakland, Ashmore, and Humboldt. Unincorporated communities in the county, including Janesville, Trilla, and Bushton, show up as small groups of parcels along the roads. Census Bureau estimates put Coles County at about 46,060 residents in 2023 on roughly 508 square miles of land. The Coles County map mixes subdivision lots near Oakland with farm and wooded tracts farther out.
Sections, quarters and roads in Coles County
For land around Humboldt, sections are numbered from 1 in the northeast corner, and the sequence zigzags row by row to section 36. Aliquot descriptions for land near Janesville read backward: the final quarter listed is the largest piece. Correction lines and irregular sections exist, so a section near Humboldt may not be exactly 640 acres.
Old names and overlapping districts in Coles County
If a county deed near Janesville cites a township that no longer appears on the map, the county recorder can generally explain the change. Election maps, school districts and fire districts in Coles County don't always follow township lines near Mattoon, so check each one separately.
Work and land use in Coles County
County Business Patterns counted 1,121 business establishments in Coles County for 2022, led by retail trade, health care and social assistance, and other services. Nursing and residential care and nonmetallic mineral product manufacturing make up an above-average share of Coles County businesses, a clue to how land around Oakland gets used.
Recorded documents in Coles County, Illinois
Deeds and plats behind the Coles County map are kept by the county's recording office; the official Coles County website names which office that is. Easements and access rights near Oakland live in recorded documents, so read the deed, not just the county map.
Why the township matters
Township lines near Oakland affect tax bills, local permits and voting precincts, so check the record before assuming. Buyers looking near Oakland sometimes find the township office is the place to ask about local road plans and ordinances.
Coles County, IL: common questions
Why is my mailing address in Lerna but my township different?
Postal towns and township lines in Coles County don't always match; the parcel record lists the township for taxes.
Does the Coles County GIS map show township lines?
Many county viewers include a township or municipal boundary layer; check the layer list on the Coles County map.
What is a fresh survey township in Coles County?
It's a Public Land Survey System block about 6 miles square with 36 sections, used to describe Coles County land.
How big is a quarter section near Mattoon?
A standard section is about 640 acres, so a quarter section near Mattoon is about 160, although corrections make some smaller.
How do I find what township a property in Coles County is in?
Click the parcel on the Coles County ArcGIS parcel map; the Coles County record generally names the township.
Open the official Coles County, IL parcel map Coles County in the Platbookmapper directory
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey, especially for fences, setbacks, or boundary disputes.