Shelby County, Illinois
Shelby County: county in Illinois, United States
About
Shelby County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 22,363 and a population density of 11 people per km². After 10 years in 2020 county had an estimated population of 21,299 inhabitants. Its county seat is Shelbyville. The county was created 199 years ago in 1826.
County Snapshot
Shelby County at a glance
Shelby County currently has 14 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
14
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
ShelbyvillePopulation 4,420
Top linked places
Quick Facts about Shelby County
| Population | 21,299 (2020) |
| Country | United States of America |
| State | Illinois (United States) |
| Different from | Shelby County, Shelby County, Shelby County, Shelby County, Shelby County, Shelby County, Shelby County, Shelby County |
| Area | 1989 km2 |
| Water as percent of area | 1.2% |
| Land as percent of area | 98.8% |
| Latitude & Longitude | 39.3912,-88.8055 |
| Named for | Isaac Shelby |
| Capital | Shelbyville |
| Establishment | January 01, 1827 |
| Time Zone | America/Chicago |
| Local time | 15:56:26 (18th April 2026) |
| Density | 11 Pop. per km² as of 2020 |
| Population growth | -5% (2010-2020) |
| Weather | 60℉ Showers And Thunderstorms Likely 7-days weather |
Geography
Shelby County is located at 39°23'28"N 88°48'20"W (39.3911600, -88.8055400). It has 6 neighbors: Christian County, Coles County, Cumberland County, Fayette County, Montgomery County and Moultrie County.
Shelby County map
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The largest city of Shelby County is Lakewood with a population of 3,967. Other cities include, Moweaqua population 1,684, Windsor population 1,128, Stewardson population 718 and Findlay population 628. See all Shelby County cities & populated places.
Shelby County Populated Places
Cities, towns, neighborhoods & other populated places in Shelby County.
| City Name | Population | Title |
|---|---|---|
| Shelbyville | 4,420 | Township in Shelby County, Illinois |
| Lakewood | 3,967 | City in Illinois, United States of America |
| Moweaqua | 1,684 | City in Illinois, United States of America |
| Windsor | 1,128 | Town in Shelby County, Illinois, United States |
| Stewardson | 718 | Human settlement in Illinois, United States of America |
| Findlay | 628 | Human settlement in Illinois, United States of America |
| Tower Hill | 582 | Village in the United States |
| Cowden | 573 | Settlement in Illinois, USA |
| Strasburg | 435 | Human settlement in Illinois, United States of America |
| Sigel | 428 | Township in Shelby County, Illinois |
| Herrick | 423 | Township in Shelby County, Illinois |
| Todds Point | 409 | Township in Shelby County, Illinois |
| Clarksburg | 381 | Township in Shelby County, Illinois |
| Oconee | 169 | Township in Shelby County, Illinois |
Weather
Showers and thunderstorms likely. Partly sunny. High near 60, with temperatures falling to around 53 in the afternoon. West northwest wind 14 to 17 mp...
7-Day ForecastOfficial website of Shelby County
Official WebsiteDemographics
According to census records, the population of Shelby County decreased by 5% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 22,363 | - | census |
| 2011 | 22,278 | -0.38% | estimation process |
| 2012 | 22,203 | -0.34% | estimation process |
| 2013 | 22,137 | -0.3% | estimation process |
| 2014 | 22,102 | -0.16% | estimation process |
| 2015 | 21,819 | -1.3% | estimation process |
| 2016 | 21,733 | -0.4% | estimation process |
| 2017 | 21,774 | 0.19% | estimation process |
| 2018 | 21,726 | -0.22% | estimation process |
| 2019 | 21,634 | -0.43% | estimation process |
| 2020 | 21,299 | -1.57% | estimation process |
Other places with the same name (8)
- Shelby County, Tennessee county in Tennessee, United States with a population of 936,017 people.
- Shelby County, Alabama county in Alabama, United States with a population of 221,428 people.
- Shelby County, Kentucky county in Kentucky, United States of America with a population of 49,611 people.
- Shelby County, Ohio county in Ohio, United States with a population of 48,337 people.
- Shelby County, Indiana county in Indiana, United States with a population of 44,871 people.
- Shelby County, Texas county in Texas, United States with a population of 24,915 people.
- Shelby County, Iowa county in Iowa, United States of America with a population of 11,430 people.
- Shelby County, Missouri county in Missouri, United States of America with a population of 5,919 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. |