South Beloit Flag

South Beloit

County Seat:
No
Area (mi²):
6.144
State:
Illinois

South Beloit is a city located in Winnebago County, Illinois. South Beloit has a 2026 population of 7,983. South Beloit is currently declining at a rate of 0% annually and its population has increased by 0.01% since the most recent census, which recorded a population of 7,982 in 2020.

The median household income in South Beloit is $78,616 with a poverty rate of 7.99%. The median age in South Beloit is 36 years: 35.6 years for males, and 36.2 years for females. For every 100 females there are 92.8 males.

8K
Total Population
1,299
Density (mi²)

South Beloit Population

South Beloit Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20267,98300%
20257,98300%
20247,983510.64%
20237,932220.28%
20227,910-36-0.45%
20217,946-48-0.6%
20207,9824035.32%
20197,579-33-0.43%
20187,612-15-0.2%
20177,627-31-0.4%
20167,658-21-0.27%
20157,679-37-0.48%
20147,716-55-0.71%
20137,771-27-0.35%
20127,798-35-0.45%
20117,833-20-0.25%
20107,853-39-0.49%
20005,3971,32532.54%
19904,072-16-0.39%
19804,0882847.47%
19703,804230.61%
19603,78156017.39%
19503,22139614.02%
19402,82500%

Median Age

Overall: 36 years
Female: 36.2 years
Male: 35.6 years

South Beloit Adults

There are 5,971 adults, (1,049 of whom are seniors) in South Beloit.

Sex Ratio

Female: 4,121 (51.9%)
Male: 3,825 (48.1%)

Demographics

The racial composition of South Beloit includes 78.61% White, 7.45% other race, 3.18% Black or African American, and smaller percentages for Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White6,24678.61%
Two or more races7549.49%
Other race5927.45%
Black or African American2533.18%
Asian901.13%
Native Hawaiian or Pacific Islander110.14%
Race
Population ↓
Percentage (of total)
Other race5927.45%
White1812.28%
Two or more races1371.72%
Race
Population ↓
Percentage (of total)
White6,06576.33%
Two or more races6177.76%
Black or African American2533.18%
Asian901.13%
Native Hawaiian or Pacific Islander110.14%

South Beloit Marital Status

Economics and Income Statistics

South Beloit 's average per capita income is $51,542. Household income levels show a median of $78,616. The poverty rate stands at 7.99%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$119,853-
Families$111,791$116,212
Households$78,616$86,474
Non Families$41,777$50,277

$51,542

Average Income

$78,616

Median Household Income

7.99%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)