Winnebago County, Illinois
Winnebago County: County in Illinois, United States
About
Winnebago County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 295,266 and a population density of 569 people per km². After 10 years in 2020 county had an estimated population of 281,295 inhabitants. Its county seat is Rockford. The county was created 188 years ago in 1836.
Quick Facts about Winnebago County
| Population : | 281,295 (2020) |
| Country : | United States of America |
| State : | Illinois (United States) |
| Different from : | Winnebago County, Winnebago County |
| Twitter username : | winnebagoil |
| Area : | 519 km2 |
| Water as percent of area : | 1.1% |
| Land as percent of area : | 98.9% |
| Named for : | Ho-Chunk |
| Altitude : | 797 feet / 243 meters |
| Capital : | Rockford |
| Establishment : | January 01, 1836 |
| Time Zone : | America/Chicago |
| Local time : | 04:58:59 (21st November 2024) |
| Density : | 542 Pop. per km² as of 2020 |
| Population growth : | -4.97% (2010-2020) |
Geography
Winnebago County is located at 42°20'11"N 89°9'39"W (42.3362600, -89.1608500). It has 6 neighbors: Boone County, DeKalb County, Ogle County, Stephenson County, Green County and Rock County.
Winnebago County map
icon to open full mode. View satellite images
The largest city of Winnebago County is Rockford with a population of 144,835. Other cities include, Loves Park population 23,382, South Beloit population 7,540, Winnebago population 2,973 and Pecatonica population 1,926. See all Winnebago County cities & populated places.
Winnebago County Populated Places
Cities, towns, neighborhoods & other populated places in Winnebago County.
| City Name | Population | Title |
|---|---|---|
| Rockford | 144,835 | The second most populous city in Illinois. |
| Loves Park | 23,382 | City north of Rockford, Illinois |
| Machesney Park | 22,678 | Village in the U. |
| Roscoe | 10,406 | Town |
| South Beloit | 7,540 | City in Winnebago County, Illinois, United States |
| Rockton | 7,477 | Illinois village near the Wisconsin border |
| Winnebago | 2,973 | City in Minnesota, United States |
| Cherry Valley | 2,853 | Township in Winnebago County, Illinois |
| Harlem | 2,114 | Township in Winnebago County, Illinois, United States |
| Lake Summerset | 2,048 | Census designated place |
| Pecatonica | 1,926 | City in Illinois, United States of America |
| Durand | 1,387 | Village in the United States |
| Shirland | 944 | Township in Winnebago County, Illinois |
| Seward | 874 | Human settlement in Illinois, United States of America |
| New Milford | 851 | Human settlement in Illinois, United States of America |
- Official Website
Official website of Winnebago County
Winnebago County has 6 neighbours.
- Boone County county in Illinois, United States
- DeKalb County county in Illinois, United States
- Ogle County county in Illinois, United States
- Stephenson County county in Illinois, United States
- Green County county in Wisconsin, United States
- Rock County county in Wisconsin, United States
- Rockford
Demographics
According to census records, the population of Winnebago County decreased by 4.97% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 295,266 | - | census |
| 2011 | 293,642 | -0.55% | estimation process |
| 2012 | 292,084 | -0.53% | estimation process |
| 2013 | 290,945 | -0.39% | estimation process |
| 2014 | 288,695 | -0.78% | estimation process |
| 2015 | 287,148 | -0.54% | estimation process |
| 2016 | 286,065 | -0.38% | estimation process |
| 2017 | 284,681 | -0.49% | estimation process |
| 2018 | 283,630 | -0.37% | estimation process |
| 2019 | 282,572 | -0.37% | estimation process |
| 2020 | 281,295 | -0.45% | estimation process |
Other places with the same name (3)
- Winnebago County , Wisconsin county in Wisconsin, United States with a population of 171,631 people.
- Winnebago County , Iowa county in Iowa, United States with a population of 10,277 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 |
| 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. |
| Rockford | 144,835 | The second most populous city in Illinois. |
