All Countries
South Beloit, IL
Full City Profile · Illinois · Winnebago County County
3.2
/5.0
B
Good
7,930
Population
1,285/sq mi density
$81,836
Median Income
$36,108 per capita
$160,800
Home Value
$228,379 Zillow
$925
Median Rent
23.7% income on rent
49°F
Avg Temperature
260 sunny days/yr
170
Violent Crime/100K
1,860 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$81,836 median income, 4.8% unemployment
A+
Affordability
5.0 / 5.0
$160,800 home value, $925/mo rent
F
Safety
1.0 / 5.0
170 violent crimes/100K
C+
Education
3.0 / 5.0
24.6% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+2.1%
7,771 → 7,932
over 10 years
Annual Pop. Growth
+0.21%
Compound annual growth rate
Median Income Change
+58.8%
$51,550 → $81,836
nominal, not inflation-adjusted
Annual Income Growth
+4.73%
Compound annual growth rate
Population Over Time
Total population for South Beloit across each available Census ACS release.
Median Household Income Over Time
Median household income reported by U.S. Census ACS. Values are nominal (not adjusted for inflation).
Projected 2030
Simple projections extrapolating the 2013–2023 compound annual growth rate forward. These are mathematical extensions of recent trends, not forecasts — real outcomes depend on migration, policy and economic shifts.
Projected Population 2030
8,049
+117 from 2023 (7,932)
Projected Median Income 2030
$113,095
+$31,259 from 2023 ($81,836)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 7,771 | — | $51,550 | — |
| 2015 | 7,679 | -1.2% | $64,525 | +25.2% |
| 2017 | 7,627 | -0.7% | $63,174 | -2.1% |
| 2019 | 7,579 | -0.6% | $60,822 | -3.7% |
| 2021 | 7,932 | +4.7% | $65,218 | +7.2% |
| 2023 | 7,932 | +0% | $81,836 | +25.5% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.