South Beloit is a city in Winnebago County, Illinois, United States. It is a suburban extension of Beloit, Wisconsin, located along the Illinois–Wisconsin border within the Rockford metropolitan area. The population was 7,989 at the 2020 census.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

How South Beloit ranks

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#299Fastest growing in IL #323Most affordable in IL #316Cheapest rent in IL All IL rankings →

Town numbers

ZIP code61080

Area code815, 779

Living in South Beloit

Housing in South Beloit

$244K▲ 8.8% in a year Typical home value · Zillow

The typical South Beloit home is worth about $244,000, up 8.8% in a year, 18% below the Illinois typical home.

A strong seller's market

Buyer’sBalancedSeller’s

Days on market31

Sale-to-list102%

Sold in May12

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in South Beloit

B⁻

Safety Grade B-

South Beloit reports more crime per resident than most U.S. towns we grade: about 53% report less.

Violent crime per 1,000

South Beloit 3.1

Illinois 2.6

U.S. 3.3

Property crime per 1,000

South Beloit 9.9

Illinois 15.6

U.S. 15.5

FBI crime data, 2025 · crimes reported to policeCrime & safety →

Work & commute in South Beloit

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Most working residents leave South Beloit for work: only 7% work in town. The top destinations are Rockford (18%), Beloit (12%) and Janesville (6%). Half commute less than 15 miles.

Rockford

18%

Beloit, WI

12%

Janesville, WI

Chicago

7%Work in townlive and work in South Beloit 15 miWhere do people commute?the commute map 2,928Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in South Beloit →

Health in South Beloit

B⁻

Health Grade B−

Healthier than 45% of U.S. towns on seven CDC estimates.

Compared with Illinois

5worse than IL

of 32 measures CDC estimates. The other 27 are too close to call.

Conditions 1▼ 11 close Habits 1▼ 3 close Care 2▼ 5 close Mind 1▼ 4 close Everyday needs all close

BetterToo close to callWorse

What stands out

15.4%More smokersIL 12.1% · worse 24.1%More adults with depressionIL 19.8% · worse 18.4%More adults in frequent mental distressIL 15.6% · worse

Care nearby

Beloit Health SystemBeloit · 4.4 mi · ER

Beloit Area Community Health Center Behavioral Health ClinicBeloit · 2.5 mi · sliding-scale fees

Primary careShortage · county-wide

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for South Beloit · CMS · HRSAHealth in South Beloit →

Natural hazards in South Beloit

High

Expected storm and flood damage is higher than in 74% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🥶 Cold waves

26Does South Beloit flood?paid flood claims since 1993 5Disasters that paid out herefederal disasters sent FEMA money to South Beloit MapSouth Beloit vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in South Beloit →

Climate in South Beloit

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South Beloit has cold, snowy winters and pleasant summers. A typical July afternoon reaches 83°, a January night drops to 13°, and about 38 inches of snow falls in a normal winter.

32° / 16°Winter

58° / 37°Spring

82° / 60°Summer

61° / 41°Fall