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County · code 17029

Coles CountyIllinois

Coles County is a county in Illinois, with its seat in Charleston. It was created on December 25, 1830, and named after Edward Coles.

  • Founded1830
  • County seatCharleston
  • Named forEdward Coles
  • Land area508 sq mi + 1.8 sq mi water
  • Population46,863 2020 Census
  • Parcels mapped28,674 checked 16 October 2026
Open the free map Click any parcel in Coles County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

CumberlandDouglas Charleston Census outline · seat marked

Where it is

Coles on the map of Illinois

Illinois has 102 counties and county equivalents, each with its own records office. Shapes with a page are links.

Adams CountyAlexander CountyBond CountyBoone CountyBrown CountyBureau CountyCalhoun CountyCarroll CountyCass CountyChampaign CountyChristian CountyClark CountyClay CountyClinton CountyCook CountyCrawford CountyCumberland CountyDeKalb CountyDe Witt CountyDouglas CountyDuPage CountyEdgar CountyEdwards CountyEffingham CountyFayette CountyFord CountyFranklin CountyFulton CountyGallatin CountyGreene CountyGrundy CountyHamilton CountyHancock CountyHardin CountyHenderson CountyHenry CountyIroquois CountyJackson CountyJasper CountyJefferson CountyJersey CountyJo Daviess CountyJohnson CountyKane CountyKankakee CountyKendall CountyKnox CountyLake CountyLaSalle CountyLawrence CountyLee CountyLivingston CountyLogan CountyMcDonough CountyMcHenry CountyMcLean CountyMacon CountyMacoupin CountyMadison CountyMarion CountyMarshall CountyMason CountyMassac CountyMenard CountyMercer CountyMonroe CountyMontgomery CountyMorgan CountyMoultrie CountyOgle CountyPeoria CountyPerry CountyPiatt CountyPike CountyPope CountyPulaski CountyPutnam CountyRandolph CountyRichland CountyRock Island CountySt. Clair CountySaline CountySangamon CountySchuyler CountyScott CountyShelby CountyStark CountyStephenson CountyTazewell CountyUnion CountyVermilion CountyWabash CountyWarren CountyWashington CountyWayne CountyWhite CountyWhiteside CountyWill CountyWilliamson CountyWinnebago CountyWoodford CountyColes County Coles
Counties of Illinois · Coles highlighted

History

Formed in 1830 from Clark County and Edgar County

An old deed may name a county that no longer exists, or a boundary that has since moved.

Coles County was created from Clark and Edgar counties on December 25, 1830. It lost land to the creation of Cumberland County in 1843 and Douglas County in 1859.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries.

  1. 1830
    Coles County created Coles created from Clark and Edgar.
    from Clarkfrom Edgar
    · Ill. Laws 1830-1831, pp. 59-61
  2. 1843
    Lost territory Coles lost to creation of Cumberland.
    to Cumberland
    · Ill. Laws 1842-1843, pp. 94-98
  3. 1857
    Changed Legislature authorized creation of Douglas (proposed) from Coles and Champaign, dependent on local referendum that failed (no change).
    DouglasChampaign
    · Ill. Laws 1857, pub., pp. 71-74
  4. 1859
    Lost territory Coles lost to creation of Douglas.
    to Douglas
    · Ill. Laws 1859, pub., pp. 24-29

Land and parcels

What the maps cover in Coles

Who publishes each layer, how good it is, and when we last checked.

Official
from the office that keeps the record
Good enough
a reliable statewide or national copy
Fallback
a guide only; check the official record
Missing
nothing public found yet

People and land

Coles by the Census

Population
46,863 2020 Census count
Housing units
22,739 2020 Census count
Land area
508 square miles
Water area
1.8 square miles
People per sq mi
92 population ÷ land area

Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.

Rules and offices

Coles County's official site

We have found the county's site but not its offices yet; start there.

County government

See your own lot on these maps

Open Coles County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.

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Questions

Common questions about Coles County

When was Coles County founded?
Coles County was founded in 1830, formed from Clark County and Edgar County, and named after Edward Coles.
What is the county seat of Coles County?
The county seat of Coles County is Charleston.
Is there an online parcel map for Coles County?
Yes. A public source publishes a parcel map of 28,674 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Coles County's boundary or name changed?
Coles County was created in 1830 from Clark County and Edgar County. Since then the Atlas of Historical County Boundaries records 2 later changes, chiefly involving Cumberland County and Douglas County.
Is my lot in a flood zone?
We do not have flood maps for Coles County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby

Counties next door