The Town FilesSouth Beloit, Illinois
City in Winnebago County · population 7,989 (2020 Census)
- Median home
- $173,000
- Household income
- $78,616
- Jan low / Jul high
- 11° / 80°
- Snow a year
- 36 in
- Tornadoes ≤10 mi since 1950
- 21
- Median age
- 36.0
South Beloit is a city of 7,989 people in Winnebago County, Illinois. The median home is worth $173,000, above the typical Illinois town ($156,600). It ranks better for cycling than 89% of Illinois towns, better for young professionals than 73% of Illinois towns.
How South Beloit ranks
Percentile among Illinois towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Illinois towns.
Homes and cost of living
The median home in South Beloit is worth $173,000, above the typical Illinois town ($156,600). Homes cost about 2.2 times the median household income of $78,616, which is more affordable than 50% of Illinois towns. Median rent is $972 a month. 69.0% of households own their home.
| Housing | South Beloit | Typical Illinois town |
|---|---|---|
| Median home value | $173,000 | $156,600 |
| Median rent | $972 | $960 |
| Median household income | $78,616 | $72,500 |
| Home value ÷ income | 2.2× | 2.2× |
| Homeownership | 69.0% | 76.6% |
| Median year built | 1991 | 1967 |
| Seasonal / vacation homes | 3.3% | — |
Who lives in South Beloit
| People | South Beloit | Typical Illinois town |
|---|---|---|
| Median age | 36.0 | 40.4 |
| Age 65 and over | 13.2% | 18.7% |
| Under 18 | 24.9% | — |
| Bachelor's degree or higher | 28.4% | 21.8% |
| Below the poverty line | 8.0% | 9.9% |
| Veterans | 6.7% | — |
| Born outside the U.S. | 4.3% | — |
| Work from home | 2.1% | 8.9% |
| Average commute | 24.8 min | 26.1 min |
| Homes with broadband | 91.7% | 90.4% |
Weather in South Beloit
July highs average 79.6°F and January lows 10.7°F. About 37.4 inches of rain and melted snow fall a year, with 35.6 inches of snow (typical Illinois town: 24.2 in). Expect about 10 days a year at 90°F or hotter and 142 nights at or below freezing.
Tornadoes, storms and disasters
21 tornadoes have passed within 10 miles of South Beloit since 1950, compared with 27 for the typical Illinois town. 2 rated (E)F2 or stronger. The strongest, an F2, struck on November 1, 1971 about 2.7 miles from the town center. The most recent was on April 17, 2026.
Hail of 1 inch or larger has been reported within 10 miles 53 times; the largest was 2.00 inches on April 17, 2026.
Severe weather in Winnebago County since 1996
Winnebago County has been included in 19 federal disaster or emergency declarations since 1953, most often for flood, tornado, hurricane.
| Declared | Incident | Declaration |
|---|---|---|
| September 20, 2024 | Flood | DR-4819: Severe Storms, Tornadoes, Straight-Line Winds, And Floodng |
| March 26, 2020 | Biological | DR-4489: Covid-19 Pandemic |
| March 13, 2020 | Biological | EM-3435: Covid-19 |
| May 10, 2013 | Flood | DR-4116: Severe Storms, Straight-Line Winds, And Flooding |
| March 17, 2011 | Snowstorm | DR-1960: Severe Winter Storm And Snowstorm |
Jobs and pay in Winnebago County
Winnebago County had 126,415 jobs in 2024, paying an average of $59,400 a year. Unemployment was 6.2% in 2023; in South Beloit itself the ACS puts it at 5.9%.
Public schools in South Beloit
7 public schools with 1,720 students, about 14.5 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Prairie Hill Elem School | PK-4 | 470 | 15.7 |
| Willowbrook Middle School | 5-8 | 320 | 14.5 |
| South Beloit Sr High School | 9-12 | 260 | 13.0 |
| Riverview Elementary School | 2-4 | 208 | 13.0 |
| Clark Elementary School | PK-1 | 191 | 14.7 |
| South Beloit Jr High School | 7-8 | 137 | 13.7 |
| Blackhawk Elementary School | 5-6 | 134 | 16.8 |
Towns near South Beloit
- Beloit, WI2.7 mi · 36,657 people · home $156,500
- Rockton, IL3.2 mi · 7,863 people · home $235,400
- Roscoe, IL4.2 mi · 10,983 people · home $227,800
- Beloit, WI5.2 mi · 7,721 people · home $219,000
- Machesney Park, IL8.1 mi · 22,950 people · home $173,700
- Rock, WI10.2 mi · 2,981 people · home $262,600
- Loves Park, IL10.3 mi · 23,397 people · home $160,400
- Candlewick Lake, IL12.2 mi · 5,115 people · home $172,300
South Beloit questions
Is South Beloit, Illinois a good place to retire?
On The Town Files lifestyle rankings, South Beloit scores better for retirees than 15% of Illinois towns and quieter than 33%. 13.2% of residents are 65 or older (median age 36.0).
How much does a house cost in South Beloit?
The median owner-occupied home in South Beloit is valued at $173,000 (Census ACS 2020–2024), against a median household income of $78,616, so homes cost about 2.2 times income. Median rent is $972 a month.
What is the weather like in South Beloit?
July highs average 79.6°F and January lows 10.7°F (NOAA 1991–2020 normals). It gets about 37.4 inches of precipitation a year and 35.6 inches of snow.
Does South Beloit get tornadoes?
21 tornadoes have passed within 10 miles of South Beloit since 1950 (NOAA Storm Events); the strongest was a F2 on November 1, 1971. The typical Illinois town has had 27.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)