Brown County, Illinois
Brown County: county in Illinois, United States
About
Brown County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 6,937 and a population density of 9 people per km². After 10 years in 2020 county had an estimated population of 6,546 inhabitants. Its county seat is Mount Sterling. The county was created 187 years ago in 1839.
County Snapshot
Brown County at a glance
Brown County currently has 5 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
5
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
Mount SterlingPopulation 2,495
Top linked places
Quick Facts about Brown County
| Population | 6,546 (2020) |
| Country | United States of America |
| State | Illinois (United States) |
| Different from | Brown County, Brown County, Brown County, Brown County, Brown County, Brown County, Brown County, Brown County |
| Area | 796 km2 |
| Water as percent of area | 0.5% |
| Land as percent of area | 99.5% |
| Latitude & Longitude | 39.9618,-90.7503 |
| Named for | Jacob Brown |
| Capital | Mount Sterling |
| Establishment | February 01, 1839 |
| Time Zone | America/Chicago |
| Local time | 19:23:45 (18th April 2026) |
| Density | 8 Pop. per km² as of 2020 |
| Population growth | -5.97% (2010-2020) |
| Weather | 55℉ Scattered Rain Showers 7-days weather |
Geography
Brown County is located at 39°57'43"N 90°45'1"W (39.9618100, -90.7503400). It has 5 neighbors: Adams County, Cass County, Morgan County, Pike County and Schuyler County.
Brown County map
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The largest city of Brown County is Versailles with a population of 453. Other cities include and Ripley population 82. See all Brown County cities & populated places.
Brown County Populated Places
Cities, towns, neighborhoods & other populated places in Brown County.
| City Name | Population | Title |
|---|---|---|
| Mount Sterling | 2,495 | Township in Brown County, Illinois |
| Versailles | 453 | Village in Brown County, Illinois, United States |
| Cooperstown | 295 | Township in Brown County, Illinois |
| Buckhorn | 92 | Township in Brown County, Illinois |
| Ripley | 82 | Human settlement in Illinois, United States of America |
Weather
Scattered rain showers before 1pm. Mostly sunny, with a high near 55. Northwest wind around 17 mph, with gusts as high as 28 mph. Chance of precipitat...
7-Day ForecastOfficial website of Brown County
Official WebsiteDemographics
According to census records, the population of Brown County decreased by 5.97% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 6,937 | - | census |
| 2011 | 6,882 | -0.8% | estimation process |
| 2012 | 6,890 | 0.12% | estimation process |
| 2013 | 6,864 | -0.38% | estimation process |
| 2014 | 6,832 | -0.47% | estimation process |
| 2015 | 6,753 | -1.17% | estimation process |
| 2016 | 6,637 | -1.75% | estimation process |
| 2017 | 6,609 | -0.42% | estimation process |
| 2018 | 6,563 | -0.7% | estimation process |
| 2019 | 6,578 | 0.23% | estimation process |
| 2020 | 6,546 | -0.49% | estimation process |
People born in Brown County (1)
American pioneer Ezra Hamilton was born in Brown County
Other places with the same name (8)
- Brown County, Wisconsin county in Texas, United States with a population of 264,610 people.
- Brown County, Ohio county in Ohio, United States with a population of 43,414 people.
- Brown County, South Dakota county in South Dakota, United States with a population of 38,738 people.
- Brown County, Texas county in Texas, United States with a population of 37,633 people.
- Brown County, Minnesota county in Minnesota, United States with a population of 24,846 people.
- Brown County, Indiana county in Indiana, United States with a population of 15,112 people.
- Brown County, Kansas county in Kansas, United States with a population of 9,482 people.
- Brown County, Nebraska county in Nebraska, United States with a population of 2,981 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. |