Carroll County, Illinois
Carroll County: County in Illinois, United States
About
Carroll County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 15,387 and a population density of 13 people per km². After 10 years in 2020 county had an estimated population of 14,241 inhabitants. Its county seat is Mount Carroll. The county was created 186 years ago in 1838.
Quick Facts about Carroll County
| Population : | 14,241 (2020) |
| Country : | United States of America |
| State : | Illinois (United States) |
| Different from : | Carroll County, Carroll County, Carroll County, Carroll County, Carroll County, Carroll County, Carroll County, Carroll County, Carroll County, Carroll County, Carroll County, Carroll County |
| Area : | 1206 km2 |
| Water as percent of area : | 4.6% |
| Land as percent of area : | 95.4% |
| Named for : | Charles Carroll |
| Capital : | Mount Carroll |
| Establishment : | January 01, 1839 |
| Time Zone : | America/Chicago |
| Local time : | 17:39:12 (22nd February 2025) |
| Density : | 12 Pop. per km² as of 2020 |
| Population growth : | -8.05% (2010-2020) |
Geography
Carroll County is located at 42°4'7"N 89°56'4"W (42.0686100, -89.9343300). It has 6 neighbors: Clinton County, Jackson County, Jo Daviess County, Ogle County, Stephenson County and Whiteside County.
Carroll County map
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The largest city of Carroll County is Blackhawk with a population of 9,587. Other cities include, Mount Carroll population 1,562, Lanark population 1,321, Milledgeville population 946 and Chadwick population 516. See all Carroll County cities & populated places.
Carroll County Populated Places
Cities, towns, neighborhoods & other populated places in Carroll County.
| City Name | Population | Title |
|---|---|---|
| Blackhawk | 9,587 | Unincorporated community in Illinois |
| Savanna | 2,777 | Town in Illinois |
| Mount Carroll | 1,562 | City in Illinois |
| Lanark | 1,321 | City in Illinois, United States |
| Milledgeville | 946 | Human settlement in Carroll County, Illinois, USA |
| Shannon | 684 | Village in Carroll County, Illinois, USA |
| Thomson | 548 | Town in Illinois, USA |
| Chadwick | 516 | American settlement |
| Elkhorn Grove | 216 | Unincorporated community in Illinois |
- Official Website
Official website of Carroll County
Carroll County has 6 neighbours.
- Clinton County county in Illinois, United States
- Jackson County county in Iowa, United States
- Jo Daviess County county in Illinois, United States
- Ogle County county in Illinois, United States
- Stephenson County county in Illinois, United States
- Whiteside County county in Illinois, United States
Demographics
According to census records, the population of Carroll County decreased by 8.05% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 15,387 | - | census |
| 2011 | 15,229 | -1.04% | estimation process |
| 2012 | 15,121 | -0.71% | estimation process |
| 2013 | 14,969 | -1.02% | estimation process |
| 2014 | 14,783 | -1.26% | estimation process |
| 2015 | 14,642 | -0.96% | estimation process |
| 2016 | 14,596 | -0.32% | estimation process |
| 2017 | 14,475 | -0.84% | estimation process |
| 2018 | 14,314 | -1.12% | estimation process |
| 2019 | 14,305 | -0.06% | estimation process |
| 2020 | 14,241 | -0.45% | estimation process |
People born in Carroll County (2)
People born in Carroll County, including politician Willis J. Bailey, nurse Helen Scott Hay, .
List
Other places with the same name (13)
- Carroll County , Maryland county in New Hampshire, United States with a population of 169,092 people.
- Carroll County , Georgia county in Georgia, United States with a population of 121,633 people.
- Carroll County , New Hampshire county in New Hampshire, United States with a population of 49,167 people.
- Carroll County , Virginia county in Virginia, United States with a population of 30,074 people.
- Carroll County , Arkansas county in Arkansas, United States with a population of 28,276 people.
- Carroll County , Tennessee county in Tennessee, United States with a population of 27,779 people.
- Carroll County , Ohio county in Ohio, United States with a population of 26,897 people.
- Carroll County , Indiana county in Indiana, United States with a population of 20,228 people.
- Carroll County , Iowa county in Iowa, United States with a population of 19,914 people.
- Carroll County , Kentucky county in Kentucky, United States with a population of 10,730 people.
- Carroll County , Mississippi county in Mississippi, United States with a population of 9,732 people.
- Carroll County , Missouri county in Missouri, United States with a population of 8,554 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. |
