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Where am ILOCATED

Coles County, Illinois

Coles County, Illinois, has 46,607 residents (July 2025 estimate). Its county seat is Charleston. It uses Central Time and covers 508 sq mi (1,316 km²) of land.

ChicagoAurora
Coles County in Illinois
CharlestonMattoonOaklandAshmoreHumboldt
Coles County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
46,607
Land area
508 sq mi (1,316 km²)
County seat or government
Charleston
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$56,478 ± $3,441
Median home value
$127,400 ± $7,333
Median rent, with utilities
$780 ± $41
Homes lived in by their owners
60.4% ± 2.2 points
County type
County
Metro or micro area
Charleston-Mattoon, IL micro areaCentral county
Water area
1.8 sq mi (4.65 km²)
State
Illinois
County code (FIPS)
17029
Coordinates (central point)
39.513680, -88.220782
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Coles County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 6192020,951 people
  2. 6193820,350 people
  3. 619517,787 people
  4. 619104,769 people
  5. 619114,508 people
  6. 624204,299 people
  7. 624473,210 people
  8. 619431,396 people
  9. 619311,350 people
  10. 619331,286 people
  11. 619121,255 people
  12. 624401,107 people
All 16
  1. 61928776 people
  2. 61930687 people
  3. 62474626 people
  4. 62469552 people

16 ZIP Code areas overlap Coles County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Coles County, largest first

  1. Charleston Township19,509 people
  2. Mattoon Township14,496 people
  3. Lafayette Township4,684 people
  4. North Okaw Township1,284 people
  5. Ashmore Township1,255 people
  6. East Oakland Township1,175 people
  7. Humboldt Township1,035 people
  8. Hutton Township925 people
  9. Paradise Township925 people
  10. Pleasant Grove Township921 people
  11. Morgan Township325 people
  12. Seven Hickory Township243 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in Illinois, by county

School districts in Coles County, largest first

  1. Charleston Community Unit School District 123,217 people
  2. Mattoon Community Unit School District 221,367 people
  3. Arthur Community Unit School District 3059,809 people
  4. Sullivan Community Unit School District 3007,440 people
  5. Casey-Westfield Community Unit School District 4C5,399 people
  6. Arcola Consolidated Unit School District 3064,496 people
  7. Neoga Community Unit School District 34,471 people
  8. Oakland Community Unit School District 52,121 people
  9. Kansas Community Unit School District 31,498 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Charleston, Illinois (city)17,062 people
  2. Mattoon, Illinois (city)16,586 people
  3. Oakland, Illinois (city)862 people
  4. Ashmore, Illinois (village)721 people
  5. Humboldt, Illinois (village)329 people
  6. Lerna, Illinois (village)226 people
  7. Trilla, Illinois (CDP)122 people
  8. Janesville, Illinois (CDP)39 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Cumberland County, Illinois17 mi south
  2. Douglas County, Illinois17 mi north
  3. Moultrie County, Illinois23 mi west
  4. Clark County, Illinois26 mi southeast
  5. Edgar County, Illinois28 mi northeast
  6. Shelby County, Illinois32 mi west

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.