Coles County GIS Maps
Coles County, Illinois, has 46,863 residents and covers 508.3 square miles. The population declined 13% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Coles County is 17029.
Charleston is the county's largest population center. Coles County also includes 6 zip codes, 8 public school districts and 27 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers and sample data. Paid packages add full layers, analytics and database files.
Coles County Trends
- Population
- 46,863▾
- Median Home Value
- $121,900▴
- K-12 Enrollment
- 9,187▴
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Coles County Maps
The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.
County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.
Coles County Population
Coles County had 46,863 residents in 2020. That was 13% lower than in 2010. Coles County had 6,333 fewer people in 2020 than it did in 2000, which points to a long-term population decline. The county is fairly spread out, with about 92 people per square mile. Some of the county's most populated postal areas include Charleston, Mattoon and Oakland.
Population Trend in Coles County IL
Coles County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Coles County Zip Codes
Coles County has 6 zip codes. Some of the county's most populated zip codes include Charleston (61920), Mattoon (61938) and Oakland (61943). Charleston is the largest zip by population, with about 20,847 residents or 44% of the county total. Together, the three largest zips account for about 92% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Coles County IL
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 61920 | Charleston | 20,847 | ▾ -18.5% |
| 61938 | Mattoon | 20,768 | ▾ -7.3% |
| 61943 | Oakland | 1,438 | ▾ -12.2% |
| 61912 | Ashmore | 1,143 | ▾ -15% |
| 62440 | Lerna | 1,121 | ▾ -14.8% |
| Download all zip code data | |||
Coles County Zip Code populations and trends per most recent census data.
Coles County Demographics
Coles County has a median age of 38.2, which makes the county a little younger than Illinois overall. About 18.3% of residents are under 18, while 18.1% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 28.5% of the population, which points to a solid working-age base. About 27.1% of adults have a bachelor's degree or higher, above the statewide figure of 37.2%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Coles County IL
Median Age
38.2
Under 18
18.3%
Age 65+
18.1%
Bachelor's+
27.1%
Coles County School Districts
Coles County is served by 8 public school districts with 9,187 students enrolled in 2024. The largest districts on the county map are Mattoon Community Unit 2, Charleston Community Unit 1 and Arthur Community Unit 305. Those three districts account for about 72% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.
Largest School Districts by Enrollment in Coles County IL
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Mattoon Community Unit School District 2 | 2,983 | 32.5% | ▾ -3% |
| Charleston Community Unit School District 1 | 2,744 | 29.9% | ▴ 3.5% |
| Arthur Community Unit School District 305 | 925 | 10.1% | ▾ -1% |
| Casey-Westfield Community Unit School District 4C | 891 | 9.7% | ▾ -0.4% |
| Arcola Consolidated Unit School District 306 | 709 | 7.7% | ▴ 1.1% |
| Download all school district data | |||
Coles County school district enrollment and trends per most recent NCES reporting data.
Coles County Housing & Real Estate
Coles County has a median home value of $121,900 and a median gross rent of $793. About 60% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Illinois median, while rents come in below the state average. In March 2026, the median listing price was $149,225 and homes spent about 51 days on the market.
Coles County Housing Mix
Coles County housing mix: owner, renter and vacant units.
Coles County Housing Trends
Coles County median home value and rent trend (last 5 years).
Businesses in Coles County, IL
Coles County has 2,291 business listings across 502 categories. The largest categories in Coles County business listings are Churches & Religious Organizations (81, 3.5%), Auto Repair (41, 1.8%), and Landmark And Historical Building (37, 1.6%). The full Coles County business listings dataset includes names, categories, addresses and contact details where available. Coles County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Coles County, IL
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 81 | 3.5% |
| Auto Repair | 41 | 1.8% |
| Landmark And Historical Building | 37 | 1.6% |
| Beauty Salons | 33 | 1.4% |
| College University | 32 | 1.4% |
| Contractors | 28 | 1.2% |
| Community & Nonprofits | 27 | 1.2% |
| Insurance Agencies | 27 | 1.2% |
| ATMs | 26 | 1.1% |
| Fast Food | 26 | 1.1% |
Coles County Business Listings
| Business | Category | City |
|---|---|---|
| Mattoon Rehabilitation and Health Care Center | Abuse And Addiction Treatment | Mattoon |
| Youngstown Apartments | Accommodation | Charleston |
| Kemper CPA Group LLP | Accountant | Mattoon |
| Spring Valley Farm | Active Life | Charleston |
| Klepzig Natural Healing Clinic | Acupuncture | Charleston |
| Family Choices | Adoption Services | Charleston |
| VidPro LP | Advertising Agency | Charleston |
| South Central FS | Agricultural Service | Humboldt |
| Farmers Grain Co of Dorans | Agriculture | Mattoon |
| Coles County Memorial Airport | Airport | Mattoon |
| Download Coles County business listings | ||
Coles County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Coles County Basemaps
Coles County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.
Get the Full Coles County Data Package
This page shows a preview of what's included in the Coles County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.
- 20+ GIS layers for zip codes, school districts, roads, water, boundaries and more
- Historical county demographics, housing, income and trend data
- ZIP code population files and school district enrollment history
- Database files, markdowns, AI-ready prompts and documentation
- Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
- Offline-ready data explorer, map and analytics tools
Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.
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Nearby Counties
Browse county data pages for the counties that border Coles County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.