Sangamon County, Illinois
Sangamon County: County in Illinois, United States
About
Sangamon County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 197,465 and a population density of 87 people per km². After 10 years in 2020 county had an estimated population of 193,882 inhabitants. Its county seat is Springfield. The county was created 202 years ago in 1820.
Quick Facts about Sangamon County
Population : | 193,882 (2020) |
Country : | United States of America |
State : | Illinois (United States) |
Different from : | Sangamon |
Area : | 2271 km2 |
Water as percent of area : | 1% |
Land as percent of area : | 99% |
Named for : | Sangamon River |
Altitude : | 610 feet / 186 meters |
Capital : | Springfield |
Establishment : | January 01, 1821 |
Time Zone : | America/Chicago |
Local time : | 12:17:14 (5th February 2023) |
Density : | 85 Pop. per km² as of 2020 |
Population growth : | -1.85% (2010-2020) |



Geography
Sangamon County is located at 39°45'29"N 89°39'32"W (39.7581700, -89.6589000). It has 6 neighbors: Cass County, Christian County, Macoupin County, Montgomery County, Morgan County and Logan County.
Sangamon County map
The largest city of Sangamon County is Springfield with a population of 113,671. Other cities include, Auburn population 4,591, Pawnee population 2,646, Buckhart population 1,679 and Southern View population 1,557. See all Sangamon County cities & populated places.
Sangamon County Populated Places (more)
Cities, Towns, Neighborhoods & Other Populated Places in Sangamon County.
City Name | Population | Title |
---|---|---|
Springfield | 113,671 | City in and county seat of Sangamon County, Illinois, United States and Illinois federated state capital city |
Arlington Heights | 73,999 | Village in Cook County, Illinois, United States; suburb of Chicago, Illinois |
Chatham | 13,159 | Village in Illinois, USA |
Woodside | 10,484 | Township in Sangamon County, Illinois |
Sherman | 4,660 | Village in Illinois, USA |
Auburn | 4,591 | City in Sangamon County, Illinois, United States |
Rochester | 3,715 | Village in Sangamon County, Illinois, United States |
Riverton | 3,430 | Village in Illinois |
Pawnee | 2,646 | City in Oklahoma |
Buckhart | 1,679 | Unincorporated community in Illinois |
Jerome | 1,575 | Village in Illinois, United States |
Southern View | 1,557 | City in Sangamon County, Illinois, United States of America |
Williamsville | 1,490 | Village in the United States |
Leland Grove | 1,451 | City in Sangamon County, Illinois, United States |
Grandview | 1,369 | City in Sangamon County, Illinois, United States of America |
New Berlin | 1,329 | Township in Sangamon County, Illinois |
- Official Website
Official website of Sangamon County
Sangamon County has 6 neighbours.
- Cass County county in Illinois, United States
- Christian County county in Illinois, United States
- Macoupin County county in Illinois, United States
- Montgomery County county in Illinois, United States
- Morgan County county in Illinois, United States
- Logan County county in Illinois, United States
Demographics
According to census records, the population of Sangamon County decreased by 1.85% in 10 years.
Year | Population | % Change | Method |
2010 | 197,465 | - | census |
2011 | 199,038 | 0.79% | estimation process |
2012 | 199,404 | 0.18% | estimation process |
2013 | 199,141 | -0.13% | estimation process |
2014 | 199,184 | 0.02% | estimation process |
2015 | 198,898 | -0.14% | estimation process |
2016 | 198,026 | -0.44% | estimation process |
2017 | 197,072 | -0.48% | estimation process |
2018 | 195,639 | -0.73% | estimation process |
2019 | 194,672 | -0.5% | estimation process |
2020 | 193,882 | -0.41% | estimation process |
People born in Sangamon County (5)
People born in Sangamon County, including politician Charles R. Evans, lawman, outlaw and gunfighter Jim Courtright, cattleman Joseph McCoy, .
List
- William H. Chamberlain (American Democratic politician) he was born in 22/01/1931
- James Robert Cardwell (Dentist; First president of the Oregon State Horticultural Society.) he was born in 11/09/1830
Illinois Other Counties (more counties)
County Name | Population | Title |
---|---|---|
Cook County | 5,108,284 | County in Illinois, United States |
Chicago | 2,677,643 | City and county seat of Cook County, Illinois, United States |
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 |
Markham | 328,966 | City in Cook County, Illinois, 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 | City in Kane County, 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 | City in DuPage and Will counties in Illinois, United States |