Calhoun County GIS Maps
Calhoun County, Illinois, has 4,437 residents and covers 253.8 square miles. The population declined 12.8% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Calhoun County is 17013.
Hardin is the county's largest population center. Calhoun County also includes 6 zip codes, 4 public school districts and 23 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.
Calhoun County Trends
- Population
- 4,437▾
- Median Home Value
- $174,000▴
- K-12 Enrollment
- 2,169▴
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.
Calhoun 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.
Calhoun County Population
Calhoun County had 4,437 residents in 2020. That was 12.8% lower than in 2010. Calhoun County had 647 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 17 people per square mile. Some of the county's most populated postal areas include Hardin, Kampsville and Batchtown.
Population Trend in Calhoun County IL
Calhoun County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Calhoun County Zip Codes
Calhoun County has 6 zip codes. Some of the county's most populated zip codes include Hardin (62047), Kampsville (62053) and Batchtown (62006). Hardin is the largest zip by population, with about 1,443 residents or 33% of the county total. Together, the three largest zips account for about 61% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Calhoun County IL
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 62047 | Hardin | 1,443 | ▾ -7.2% |
| 62053 | Kampsville | 635 | ▾ -2.3% |
| 62006 | Batchtown | 633 | ▾ -2.3% |
| 62036 | Brussels | 610 | ▾ -13.4% |
| 62045 | Hamburg | 513 | ▾ -20.7% |
| Download all zip code data | |||
Calhoun County Zip Code populations and trends per most recent census data.
Calhoun County Demographics
Calhoun County has a median age of 48.5, which makes the county a little older than Illinois overall. About 20.4% of residents are under 18, while 24.6% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 65 and over at about 24.6% of the population, which points to an older population profile. About 18.4% 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 Calhoun County IL
Median Age
48.5
Under 18
20.4%
Age 65+
24.6%
Bachelor's+
18.4%
Calhoun County School Districts
Calhoun County is served by 4 public school districts with 2,169 students enrolled in 2024. The largest districts on the county map are Pikeland Community Unit 10, Calhoun Community Unit 40 and Pleasant Hill Community Unit 3. Those three districts account for about 95% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, based on district totals from 2017 to 2024.
Largest School Districts by Enrollment in Calhoun County IL
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Pikeland Community Unit School District 10 | 1,200 | 55.3% | ▴ 0.3% |
| Calhoun Community Unit School District 40 | 507 | 23.4% | ▴ 1% |
| Pleasant Hill Community Unit School District 3 | 353 | 16.3% | ▾ -4.1% |
| Brussels Community Unit School District 42 | 109 | 5% | ▴ 25.3% |
| Download all school district data | |||
Calhoun County school district enrollment and trends per most recent NCES reporting data.
Calhoun County Housing & Real Estate
Calhoun County has a median home value of $174,000 and a median gross rent of $479. About 89% 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 $120,000 and homes spent about 62 days on the market.
Calhoun County Housing Mix
Calhoun County housing mix: owner, renter and vacant units.
Calhoun County Housing Trends
Calhoun County median home value and rent trend (last 5 years).
Businesses in Calhoun County, IL
Calhoun County has 172 business listings across 86 categories. The largest categories in Calhoun County business listings are American Restaurants (8, 4.7%), Landmark And Historical Building (8, 4.7%), and Structure And Geography (8, 4.7%). The full Calhoun County business listings dataset includes names, categories, addresses and contact details where available. Calhoun County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Calhoun County, IL
| Category | Businesses | Share |
|---|---|---|
| American Restaurants | 8 | 4.7% |
| Landmark And Historical Building | 8 | 4.7% |
| Structure And Geography | 8 | 4.7% |
| Churches & Religious Organizations | 8 | 4.7% |
| Lake | 8 | 4.7% |
| Farm | 7 | 4.1% |
| Community & Nonprofits | 6 | 3.5% |
| Schools | 5 | 2.9% |
| Police Department | 5 | 2.9% |
| Insurance Agencies | 5 | 2.9% |
Calhoun County Business Listings
| Business | Category | City |
|---|---|---|
| Barn Weddings Illinois - Mt. Hope | Accommodation | Michael |
| Illinois Riverdock Restaurant | American Restaurants | Hardin |
| B&D Outfitters LLC. | Amusement Park | Nebo |
| Sharecropper Farms | Attractions And Activities | Calhoun County |
| Calhoun Auto Sales | Auto Body Shop | Hardin |
| Hurley Dodge | Automotive Dealer | Hardin |
| Gress Garage | Auto Repair | Hardin |
| Sweet P Bake Shop | Bakeries | Centennial |
| Bank of Calhoun County | Banks & Credit Unions | Hardin |
| Michael Tavern | Bars & Nightlife | Michael |
| Download Calhoun County business listings | ||
Calhoun County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Calhoun County Basemaps
Calhoun 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 Calhoun County Data Package
This page shows a preview of what's included in the Calhoun 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 Calhoun County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.