Calhoun County, Illinois
Calhoun County: county in Illinois, United States
About
Calhoun County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 5,089 and a population density of 7 people per km². After 10 years in 2020 county had an estimated population of 4,616 inhabitants. Its county seat is Hardin. The county was created 201 years ago in 1824.
County Snapshot
Calhoun County at a glance
Calhoun County currently has 4 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
4
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Illinois counties
102
Open related pagesLargest city
HardinPopulation 881
Top linked places
Quick Facts about Calhoun County
| Population | 4,616 (2020) |
| Country | United States of America |
| State | Illinois (United States) |
| Different from | Calhoun County, Calhoun County, Calhoun County, Calhoun County, Calhoun County, Calhoun County, Calhoun County, Calhoun County, Calhoun County, Calhoun County |
| Area | 735 km2 |
| Water as percent of area | 10.5% |
| Land as percent of area | 89.5% |
| Latitude & Longitude | 39.1693,-90.6675 |
| Named for | John C. Calhoun |
| Capital | Hardin |
| Establishment | January 01, 1825 |
| Time Zone | America/Chicago |
| Local time | 23:27:55 (16th April 2026) |
| Density | 6 Pop. per km² as of 2020 |
| Population growth | -10.25% (2010-2020) |
| Weather | 82℉ Rain Showers Likely 7-days weather |
Geography
Calhoun County is located at 39°10'9"N 90°40'3"W (39.1693000, -90.6675300). It has 6 neighbors: Greene County, Jersey County, Pike County, Lincoln County, Pike County and Saint Charles County.
Calhoun County map
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The largest city of Calhoun County is Hardin with a population of 881. Other cities include, Kampsville population 295, Batchtown population 192 and Brussels population 128. See all Calhoun County cities & populated places.
Calhoun County Populated Places
Cities, towns, neighborhoods & other populated places in Calhoun County.
| City Name | Population | Title |
|---|---|---|
| Hardin | 881 | A village in Calhoun County, Illinois, United States. |
| Kampsville | 295 | Human settlement in United States of America |
| Batchtown | 192 | Human settlement in Illinois, United States of America |
| Brussels | 128 | Village in Calhoun County, Illinois, United States |
Weather
Rain showers likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 60%.
7-Day ForecastDemographics
According to census records, the population of Calhoun County decreased by 10.25% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 5,089 | - | census |
| 2011 | 5,049 | -0.79% | estimation process |
| 2012 | 4,985 | -1.28% | estimation process |
| 2013 | 5,008 | 0.46% | estimation process |
| 2014 | 4,925 | -1.69% | estimation process |
| 2015 | 4,860 | -1.34% | estimation process |
| 2016 | 4,869 | 0.18% | estimation process |
| 2017 | 4,851 | -0.37% | estimation process |
| 2018 | 4,829 | -0.46% | estimation process |
| 2019 | 4,739 | -1.9% | estimation process |
| 2020 | 4,616 | -2.66% | estimation process |
Other places with the same name (10)
- Calhoun County, Michigan county in Alabama, United States with a population of 133,580 people.
- Calhoun County, Alabama county in Alabama, United States with a population of 113,469 people.
- Calhoun County, Texas county in Texas, United States with a population of 21,001 people.
- Calhoun County, South Carolina county in South Carolina, United States with a population of 14,554 people.
- Calhoun County, Mississippi county in Mississippi, United States with a population of 14,241 people.
- Calhoun County, Florida county in Florida, United States with a population of 14,078 people.
- Calhoun County, Iowa county in Iowa, United States with a population of 9,473 people.
- Calhoun County, West Virginia county in West Virginia, United States with a population of 6,945 people.
- Calhoun County, Georgia county in Georgia, United States with a population of 6,231 people.
- Calhoun County, Arkansas county in Arkansas, United States with a population of 5,113 people.
Illinois Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Cook County | 5,108,284 | County in Illinois, United States |
| Chicago | 2,677,643 | The third most populous city in the United States and the center of the Chicago metropolitan area. |
| DuPage County | 917,481 | County in Illinois, United States |
| Lake County | 693,593 | County in Oregon, United States |
| Will County | 688,726 | County in Illinois, United States |
| Kane County | 531,010 | County in southern Utah, United States |
| McHenry County | 305,888 | County in Illinois, United States |
| Winnebago County | 281,295 | County in Illinois, United States |
| Madison County | 262,635 | County in Montana, United States |
| Saint Clair County | 258,046 | The County of St. |
| Champaign County | 209,192 | County in Illinois, United States |
| Aurora | 196,383 | The second most populous city in Illinois. |
| Sangamon County | 193,882 | County in Illinois, United States |
| Peoria County | 177,652 | County in Illinois, United States of America |
| McLean County | 171,256 | County in North Dakota, United States |
| Naperville | 147,986 | The second most populous city in Illinois. |