Winnebago County is a county located in the U.S. state of Illinois. According to the 2020 census, it had a population of 285,350 making it the seventh most populous county in Illinois behind Cook County and its five surrounding collar counties. Its county seat is Rockford. Winnebago County is the central county of the Rockford Metropolitan Statistical Area.
Durand is a village in Winnebago County, Illinois, United States. It is part of the Rockford, Illinois Metropolitan Statistical Area The population was 1,443 at the 2010 census, up from 1,081 in 2000.
Roscoe is a village in Winnebago County, Illinois, along the Rock River. It is in a suburban area of the Rockford, Illinois Metropolitan Statistical Area. As of the 2010 census, the village population was 10,785, up from 6,244 at the 2000 census. The area has been undergoing a period of rapid growth. There have been numerous border disputes with its neighbor to the west, Rockton, Illinois, and development and annexations continue by both villages. Recent growth has included the Promontory Ridge and Hidden Creek custom home subdivisions east of the Illinois Tollway, I-39/I-90.
Flagg Township is located in Ogle County, Illinois. As of the 2010 census, its population was 13,562 and it contained 5,525 housing units.
Cherry Valley Township is located in Winnebago County, Illinois. As of the 2010 census, its population was 19,831 and it contained 8,415 housing units.
Rockford Township is located in Winnebago County, Illinois, United States. As of the 2010 census, its population was 178,527 and it contained 78,714 housing units. It is the largest township, in terms of area, in Illinois. The city of Rockford, along with the villages of Cherry Valley and New Milford are all located in Rockford Township.
Durand Township is located in Winnebago County, Illinois. As of the 2010 census, its population was 2,394 and it contained 1,035 housing units.
Harlem Township is located in Winnebago County, Illinois. As of the 2010 census, its population was 40,158 and it contained 16,025 housing units.
Laona Township is located in Winnebago County, Illinois. As of the 2010 census, its population was 1,250 and it contained 707 housing units.
Owen Township is located in Winnebago County, Illinois. As of the 2010 census, its population was 3,803 and it contained 1,546 housing units.
Harrison Township is located in Winnebago County, Illinois. As of the 2010 census, its population was 670 and it contained 273 housing units.
Pecatonica Township is located in Winnebago County, Illinois. As of the 2010 census, its population was 4,355 and it contained 1,750 housing units.
Seward Township is located in Winnebago County, Illinois. As of the 2010 census, its population was 917 and it contained 394 housing units.
Shirland Township is located in Winnebago County, Illinois. It includes the unincorporated community of Shirland.
Winnebago Township is located in Winnebago County, Illinois, United States. As of the 2010 census, its population was 5,291, and it contained 1,976 housing units.
Ridott Township is located in Stephenson County, Illinois, USA. At the 2010 census, its population was 1,451 and it contained 612 housing units. The villages of Ridott and German Valley are located in this township.
Hahnaman Township is located in Whiteside County, Illinois. As of the 2010 census, its population was 399 and it contained 148 housing units.
Barrington Township is one of 29 townships in Cook County, Illinois, USA. As of the 2020 census, its population was 16,514 and it contained 6,172 housing units. The northwestern corner of the Cook County panhandle, it is the county's northwesternmost township. It is also by far the least densely populated township in the county, with less than half the population density of the next least Lemont Township.
Limestone Township is located in Peoria County, Illinois. As of the 2010 census, its population was 19,705 and it contained 8,103 housing units.
Radnor Township is located in Peoria County, Illinois. As of the 2010 census, its population was 3,613 and it contained 1,330 housing units. Radnor Township was named after Radnor, Pennsylvania.
