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South Beloit, Illinois

19 topographic sheets cover this place, the earliest surveyed in 1918 and the latest in 1993. It stands in Rockton Township. It lies in ZIP code area 61080. It stands on Turtle Creek. The Survey maps it on the South Beloit quadrangle. 7,989 people lived here at the 2020 count. It stands 738 feet above sea level.

South Beloit within Winnebago County

Population over time

2 figures

South Beloit grew from 7,892 to 7,989 between 2010 and 2020. These are the recorded population figures Wikidata holds for this place, reached through the Geographic Names Information System number this page is keyed on rather than by name, so they belong to this place and not to another of the same name. Most are census counts, but not all are: an early figure may be a founding or settlement estimate, and an estimate published within five years of a census is left out. The change column is computed, and is left blank where more than 20 years separate a figure from the one before it, because a gap that long is not a change between two counts.

YearPeople Change
20107,892
20207,989+97 (+1%)

Topographic sheets covering this place

10 surveys from 19 printed sheets

Matched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.

In the county-history sources

22,442 words on this township

The History of Winnebago County, Illinois : Its Past and Present, Containing ... a Biographical Directory of Its Citizens, War Record of Its Volunteers in the Late Rebellion, General and Local Statistics ... History of the Northwest, History of Illinois ... Etc, published 1877 has no passage naming this settlement, which was common for smaller places. Its township is covered in full.

The chapter on Rockton Township covers the township.

Read the chapter on Rockton Township - 22,442 words.

Fires near this place

29 since 2018

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 29 fires within 5 miles of South Beloit between 2018 and 2020, burning about 52 acres in total. 1 started naturally. 2 were recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.

Reported cause Fires
Missing data/not specified/undetermined15
Smoking6
Recreation and ceremony3
Arson/incendiarism2
Equipment and vehicle use1
Natural1
Debris and open burning1

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

DateCause SizeReported by Name on the report
25 September 2018Missing data/not specified/undeterminedunder an acreWisconsin Department of Natural Resources181293
22 August 2019Debris and open burningunder an acreWisconsin Department of Natural Resources19941
5 July 2020Missing data/not specified/undetermined1.0 acresWisconsin Department of Natural Resources201883
30 July 2018Missing data/not specified/undeterminedunder an acreWisconsin Department of Natural Resources181021
26 July 2018Smoking1.0 acresWisconsin Department of Natural Resources183149
18 July 2019Arson/incendiarismunder an acreWisconsin Department of Natural Resources2019-16
4 June 2018Smokingunder an acreWisconsin Department of Natural Resources182327
20 June 2020Missing data/not specified/undetermined1.0 acresWisconsin Department of Natural Resources201732

Settlements close enough to share some of these fires:

Every fire recorded in Winnebago County

Mines and quarries near this place

10 of 14 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 14 workings within 5 miles of South Beloit: 11 past producers, 2 producers, 1 plant. 3 still produce. What was taken out: Sand and Gravel, Construction, Stone, Crushed/Broken. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Where SiteCommodity StatusRecorded
Escher QuarryStone, Crushed/BrokenPast Producer
Foss QuarryStone, Crushed/BrokenPast Producer
Kelley Quarry Porter & SonsStone, Crushed/BrokenPast Producer
Unnamed Limestone QuarryStone, Crushed/BrokenPast Producer
Wilson & Shipler QuarryStone, Crushed/BrokenProducer
Can-Tex Industries Aggregate PitSand and Gravel, ConstructionPast Producer
Durgon PitSand and Gravel, ConstructionPast Producer
Ellis PitSand and Gravel, ConstructionPast Producer
General Dynamics PitSand and Gravel, ConstructionPast Producer
Illinois Wisconsin Sand & GravelSand and Gravel, ConstructionProducer

Every working recorded in Winnebago County

Storms near this place

26 since 1996

Regional context, not property-specific evidence. The National Weather Service names South Beloit in 26 storm reports between 1996 and 2026: 13 thunderstorm wind, 5 hail, 4 flood, 2 flash flood. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.

WhenEvent Place namedHarm What the report says
July 2010Flash FloodSouth Beloit$632,000Very heavy rain fell across Winnebago County producing widespread flooding and flash flooding, including creek and river flooding. Significant flooding was reported near Keith Creek in the Churchill Park area on the east side of Rockford. Route 2 was flooded and impassible near South Beloit Road.
May 2011Thunderstorm WindSouth Beloit$25,000Several storage buildings sustained roof damage near Route 251 and Rockton Road.
May 2011Tornado (EF1)South Beloit$15,000A brief tornado touched down in the Rockton area between Route 251 and Interstate 90, just north of Rockton Road. Damage was observed around the Roscoe Fire Station, where a large garage door was blown in. Winds were estimated to be as high as 90-100 mph.
March 2025Thunderstorm WindSouth Beloit-Power lines were downed on I-90 near South Beloit.
June 2025Thunderstorm WindSouth Beloit-A 7 to 8 inch diameter tree was uprooted in South Beloit.
June 2025Thunderstorm WindSouth Beloit-An unattached semi-trailer had rolled onto its side on the east side of South Beloit. Corn crops were also flattened by the wind.
June 2025Thunderstorm WindSouth Beloit-Trees were downed, multiple branches snapped, and roof shingles peeled in South Beloit.
June 2025Thunderstorm WindSouth Beloit-Several trees were snapped off of Prairie Hill Rd in South Beloit.
September 2022Thunderstorm WindSouth Beloit-A large tree was blown down.
July 2021Funnel CloudSouth Beloit-A funnel cloud was observed one quarter of the way to the ground near South Beloit. No contact with the ground was observed.
May 2020Thunderstorm WindSouth Beloit-Power lines were blown down.
March 2019FloodSouth Beloit-Major river flooding occurred along portions of the Pecatonica and Rock Rivers during the middle of March. For the Pecatonica River near Shirland, the river crested at 16.45 feet on March 17th. Moderate flood stage is 14 feet and major flood stage is 15.5 feet. For the Rock River at Rockton, the river crested at 14.09 feet on March 17th. Moderate flood stage is 11 feet and major flood stage is 14 feet. This crest of 14.09 feet was the fourth highest crest on record at Rockton. For the Rock River at Latham Park, the river crested at 14.44 feet on March 17th. Moderate flood stage is 11 feet and major flood stage is 13.5 feet. This crest of 14.44 feet was the second highest crest on record at Latham Park. An estimated 700 homes were impacted by flood waters from the Rock River.
October 2018FloodSouth Beloit-Moderate river flooding occurred along portions of the Pecatonica and Rock Rivers during early and mid October. For the Pecatonica River near Shirland, the river crested at 15.27 feet on October 11th. Moderate flood stage is 14 feet and major flood stage is 15.5 feet. For the Rock River at Rockton, the river crested at 12.73 feet on October 7th. Moderate flood stage is 11 feet and major flood stage is 14 feet. For the Rock River at Latham Park, the river crested at 13.23 feet on October 7th. Moderate flood stage is 11 feet and major flood stage is 14 feet. This crest of 13.23 feet was the third highest crest on record at Latham Park. Approximately 10 to 20 homes were affected by river flooding. Sandbagging was also reported in Loves Park, along the Rock River, on October 6th.
June 2013FloodSouth Beloit-Approximately six inches of standing water was reported on portions of I-90.
July 2010FloodSouth Beloit-After heavy rain and flash flooding during the early morning hours of July 24th, flooding continued through the evening hours, especially along creeks and rivers.
July 2008Thunderstorm WindSouth Beloit-A tree was blown down along Dorr Road, blocking half of the road.
July 2008Thunderstorm WindSouth Beloit-Several trees were blown down, some blocking roads.
June 2007Thunderstorm WindSouth Beloit-A tree was blown down blocking a road.
July 2007Flash FloodSouth Beloit-Blackhawk Road closed due to flooding.
April 2026HailSouth Beloit-no account filed
April 2023HailSouth Beloit-no account filed
August 2023HailSouth Beloit-no account filed
August 2011HailSouth Beloit-no account filed
March 2006HailSouth Beloit-no account filed
June 2001Thunderstorm WindSouth Beloit-no account filed
April 1996Thunderstorm WindSouth Beloit-no account filed

Every storm recorded in Winnebago County

Nearest settlements

The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.

Map PlaceDistance Sheets
South Bluff Homes1.0 miles19
Northgate Estates1.3 miles19
Rockton3.4 miles19
Morehaven4.8 miles19
Riverdale5.1 miles19
Roscoe5.7 miles19
Stagecoach Hills5.8 miles14
Phil-Aire Estates7.3 miles19

Elsewhere

Matched on this settlement's Geographic Names Information System number rather than its name, so it cannot be a different place of the same name in another state.

Wikipedia article on South BeloitAn encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied.
Wikidata item Q577281The structured record the population and elevation above come from. Public domain (CC0).

Provenance

This settlement is recorded in the Geographic Names Information System as feature 418714. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.

Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.

Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.

Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.