South Beloit is a city located in Winnebago County, Illinois, United States. It is part of the Rockford, Illinois Metropolitan Statistical Area, but it is essentially a suburban extension of Beloit, WI, which is directly along the city's northern border. At the 2010 census, the city's population was 7,892, up from 5,297 in 2000.GeographySouth Beloit is located at .According to the 2010 census, South Beloit has a total area of 6.13sqmi, of which 5.9sqmi is land and 0.23sqmi is water.DemographicsAs of the census of 2000, there were 8,051 people, 3,400 households, and 1,678 families residing in the city. The population density was 1,362.9 people per square mile (526.2/km2). There were 2,345 housing units at an average density of 592.2 per square mile (228.6/km2). The racial makeup of the city was 87.16% White, 5% African American, 0.63% Native American, 1.01% Asian, 0.07% Pacific Islander, 3.48% from other races, and 1.83% from two or more races. Hispanic or Latino of any race were 7.49% of the population.
