Where is South Beloit, Illinois

Written and Fact-checked by | Updated On: August 5, 2026

South Beloit is a city in northern Illinois and part of the Rockford metropolitan area in Winnebago County. Located about 15 miles north of Rockford, the city sits along the Illinois-Wisconsin border beside the Rock River. South Beloit is known for its connection to Beloit, Wisconsin, nearby riverfront areas, historic transportation routes, and easy access to northern Illinois and southern Wisconsin.

Location Map of South Beloit, Winnebago County, Illinois

Where is South Beloit Located in Winnebago County, Illinois

About Map: The map shows the location of South Beloit in Winnebago County, in the U.S. state of Illinois.

South Beloit Map, Illinois

About South Beloit Map: The Google Map highlights the location of South Beloit in Winnebago County, Illinois. Use the zoom, satellite, and street-view options to explore the city's neighborhoods, roads, and nearby places.

Where is South Beloit Located?

South Beloit is a city located in Winnebago County, Illinois, the United States. It lies in northern Illinois directly south of Beloit, Wisconsin, near the Illinois-Wisconsin state line and the Rock River. South Beloit is about 15 miles north of Rockford and roughly 75 miles northwest of Chicago. Rockton is about 5 miles west, while Roscoe is approximately 8 miles southeast of the city. South Beloit is located at 42.4931° North latitude and 89.0376° West longitude. The 2020 Census recorded 7,892 residents. The city covers about 6.61 square miles (17.12 square kilometers), with most of its area consisting of land. The Rock River is a major geographic feature near the city and has influenced settlement, transportation, industry, and recreation. South Beloit developed alongside the larger Beloit community across the state line. Nearby attractions include the historic Beloit College campus, Rock Cut State Park, and riverfront recreation areas. A unique feature of South Beloit is its location within one continuous urban area that crosses the Illinois-Wisconsin border.

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South Beloit City Facts

FactDetails
CitySouth Beloit
StateIllinois
CountyWinnebago County
CountryUnited States
RegionNorthern Illinois, Rockford Metropolitan Area
Incorporated1917
Founded1830s
Total Area6.61 sq mi (17.12 sq km)
Land Area6.49 sq mi (16.81 sq km)
Water Area0.12 sq mi (0.31 sq km)
ElevationAbout 740 ft (226 m)
Population (2023 estimate)About 7,700
Population (2020 Census)7,892
Population DensityAbout 1,216 people per sq mi
Time ZoneCentral Time (CST/CDT)
ZIP Codes61080
Area Code815, 779
Major HighwaysInterstate 90, Interstate 39, U.S. Highway 51, Illinois Route 75
Public TransitRockford Mass Transit District and regional services
Major AttractionsRock River, South Beloit City Park, Rock Cut State Park, Beloit College, Angel Museum
Official Websitehttps://southbeloit.org/

Distance from South Beloit, IL to Nearby Cities

  • Beloit, WI – 2 miles (3 km)
  • Rockton, IL – 5 miles (8 km)
  • Roscoe, IL – 8 miles (13 km)
  • South Beloit, IL – 0 miles (0 km)
  • Rockford, IL – 15 miles (24 km)
  • Janesville, WI – 20 miles (32 km)
  • Freeport, IL – 30 miles (48 km)
  • Monroe, WI – 35 miles (56 km)
  • Harvard, IL – 25 miles (40 km)
  • Belvidere, IL – 25 miles (40 km)
  • Oregon, IL – 30 miles (48 km)
  • Lake Geneva, WI – 35 miles (56 km)
  • DeKalb, IL – 45 miles (72 km)
  • Elgin, IL – 50 miles (80 km)
  • Madison, WI – 70 miles (113 km)
  • Naperville, IL – 75 miles (121 km)
  • Chicago, IL – 75 miles (121 km)
  • Milwaukee, WI – 90 miles (145 km)

Top Attractions in South Beloit, Illinois

  • Rock River – The river forms an important natural feature near South Beloit and provides opportunities for fishing, paddling, wildlife observation, and scenic recreation.
  • South Beloit City Park – A local recreation area with open spaces, sports facilities, playgrounds, walking areas, and community amenities.
  • Rock Cut State Park – A large state park near Rockford featuring Pierce Lake, hiking trails, camping, boating, fishing, and wooded landscapes.
  • Beloit College – A historic liberal arts college in nearby Beloit with an established campus, museums, gardens, and cultural programs.
  • Angel Museum – A former museum in Beloit known for its extensive collection of angel figurines and religious artwork.
  • Historic Downtown Beloit – A nearby downtown district along the Rock River with historic buildings, restaurants, shops, galleries, and community events.
  • Beckman Mill – A historic water-powered mill and museum near Beloit preserving local agricultural and industrial history.
  • Rockford Art Museum – A regional museum in Rockford featuring American art, contemporary exhibitions, and works by artists from Illinois and beyond.
  • Anderson Japanese Gardens – A landscaped garden in Rockford featuring ponds, waterfalls, bridges, stone paths, and traditional Japanese garden design.

Airports Near South Beloit, Illinois

  • Chicago Rockford International Airport (RFD) – 25 miles
  • Southern Wisconsin Regional Airport (JVL) – 25 miles
  • Dane County Regional Airport (MSN) – 75 miles
  • Chicago O'Hare International Airport (ORD) – 70 miles

Sources:

Population and area data sourced from the United States Census Bureau (2020 Census). General city information referenced from the official South Beloit city website and local government records.

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