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 2025 population of 7,838. South Beloit is currently declining at a rate of -0.34% annually and its population has decreased by -1.72% since the most recent census, which recorded a population of 7,975 in 2020.

The average household income in South Beloit is $90,064 with a poverty rate of 8.61%.The median age in South Beloit is 35.7 years: 36.3 years for males, and 35 years for females.

7.8K
Total Population
1,276
Density (mi²)
-27 -0.34%
Growth

South Beloit Population

South Beloit Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of South Beloit includes 80.35% White, 7.18% other race, 3.49% 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)
White6,37280.35%
Two or more races6047.62%
Other race5697.18%
Black or African American2773.49%
Asian971.22%
Native Hawaiian or Pacific Islander110.14%

South Beloit Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

South Beloit's average per capita income is $52,209. Household income levels show a median of $81,836. The poverty rate stands at 8.61%.

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$108,403-
Families$105,929$112,206
Households$81,836$90,064
Non Families$43,024$57,066

$52,209

Average Income

$81,836

Median Household Income

8.61%

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)