South Beloit, IL demographics:
population, income, and more

Total population
7,946
0.2% year-over-year change
Median household income
$78,616/yr
-3.9% year-over-year change
Housing units
3,559
9.3% year-over-year change

South Beloit population

How many people live in South Beloit

South Beloit is home to 7,946 residents, according to the most recent Census data. Gender-wise, 48.1% of South Beloit locals are male, and 51.9% are female.

Total population
7,946
0.2% year-over-year change
Gender ratio
Male
48.1%
3,825
Female
51.9%
4,121
Value Percent YoY change
Male 3,825 48.1% -4.1%
Female 4,121 51.9% 4.5%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in South Beloit is 36, with the population distributed as follows: about 22.3% are children under 15, then 8.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 35.8% of the population, while another 20.6% fall into the 45 to 64 bracket. Finally, around 13.2% are 65 or older.

Median age
36
Age breakdown
Under 15
22.3%
15 to 24
8.1%
25 to 44
35.8%
45 to 64
20.6%
Over 65
13.2%
Value Percent YoY change
Under 15 1,770 22.3% -3.2%
15 to 24 643 8.1% -21.0%
25 to 44 2,845 35.8% 14.2%
45 to 64 1,639 20.6% -12.5%
Over 65 1,049 13.2% 13.7%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In South Beloit, 95.2% of the population are US-born citizens, while 2.9% have gained naturalized citizenship. At the same time, 1.9% of residents are non-citizens. As for race, 78.6% of locals are Caucasian, 3.2% are African American and 1.1% have Asian roots. There’s also a share of 9.5% that includes residents with two or more races.

Citizenship
U.S.-born citizens
95.2%
Non-U.S.-born citizens
2.9%
Non-citizens
1.9%
Value Percent YoY change
U.S.-born citizens 7,565 95.2% 0.6%
Non-U.S.-born citizens 228 2.9% -1.7%
Non-citizens 153 1.9% -13.1%
Racial breakdown
White
78.6%
Black or African American
3.2%
American Indian and Alaska Native
0%
Asian
1.1%
Native Hawaiian and other Pacific Islander
0.1%
Two or more races
9.5%
Other
7.4%
Value Percent
White 6,246 78.6%
Black or African American 253 3.2%
Asian 90 1.1%
Native Hawaiian and other Pacific Islander 11 0.1%
Two or more races 754 9.5%
Other 592 7.4%

Households in South Beloit

A peek inside South Beloit households

South Beloit has 3,339 households, with an average of 2 members in each. Of these, 52.6% are families, while the remaining 47.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
3,339
6.7% year-over-year change
Average people per household
2
Non-family households
1,583
Family households
1,756
Value Percent YoY change
Non-family households 1,583 47.4% 19.5%
Family households 1,756 52.6% -2.7%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in South Beloit

The housing landscape of South Beloit

South Beloit's housing consists of 3,559 units, with 70.5% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 4.5% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 7.2% of the housing landscape.

Housing units
3,559
9.3% year-over-year change
Housing types
Value Percent
1 unit, detached 2,509 70.5%
1 unit, attached 159 4.5%
2 units 41 1.2%
3 or 4 units 67 1.9%
5 to 9 units 202 5.7%
10 to 19 units 197 5.5%
20 to 49 units 32 0.9%
50 or more units 96 2.7%
Mobile home 256 7.2%
Homes built since 2020
0
% year-over-year change

The age of buildings in South Beloit

In South Beloit, the median construction year is 1991. About 13.4% of homes were built before the 1940s, with another 3.9% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 476 13.4% 5.5%
Built between 1940 and 1949 139 3.9% 44.8%
Built between 1950 and 1959 219 6.2% -42.5%
Built between 1960 and 1969 324 9.1% 77.0%
Built between 1970 and 1979 297 8.4% -17.5%
Built between 1980 and 1989 216 6.1% 34.2%
Built between 1990 and 1999 778 21.9% 9.0%
Built between 2000 and 2009 918 25.8% 8.5%
Built between 2010 and 2019 192 5.4% 200.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

South Beloit occupancy rates

Out of the 3,339 occupied housing units in South Beloit, 69% are owner-occupied, while 31% are lived in by tenants. Meanwhile, 6.2% of all homes on the local market sit vacant.

Occupied housing units
3,339
6.7% year-over-year change
Occupancy breakdown
Renter occupied
1,035
Owner occupied
2,304
Value Percent YoY
change
Renter occupied 1,035 31% 11.9%
Owner occupied 2,304 69% 4.5%
Unoccupied housing units
6.2%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

South Beloit housing costs

Housing costs in South Beloit come to a median of $1,032 per month, while tenants specifically pay a median gross rent of $972.

Median housing costs per month
$1,032/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in South Beloit
$972/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in South Beloit

South Beloit education at a glance

About 39.7% of the population in South Beloit went to high school, while 19.5% pursued college studies. Another 12.3% earned an associate degree and 17.4% hold a bachelor’s. Meanwhile, 9.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 100 1.7% -17.4%
High school diploma 2,369 39.7% -1.0%
College diploma 1,166 19.5% -0.3%
Associate degree 735 12.3% -10.5%
Bachelor's degree 1,038 17.4% 29.4%
Graduate degree 563 9.4% 10.6%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in South Beloit

How much people earn in South Beloit

The average annual household income in South Beloit was $86,474 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -4% change from the previous year. At the same time, the median income stood at $78,616, reflecting a -3.9% shift over the same period.

Average household income in South Beloit
$86,474/year
-4.0% year-over-year change
Median household income in South Beloit
$78,616/year
-3.9% year-over-year change

South Beloit income by age

In South Beloit, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $82,650. Those with someone between 45 and 64 in charge, often well established professionally, earn $81,901 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $82,817, while those led by someone over 65, many of whom may be retired, have about $41,888 in earnings. Overall, 92.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $82,817 N/A
25 - 44 $82,650 -21.9%
45 - 64 $81,901 -1.3%
Over 65 $41,888 N/A
Above poverty level
7,139
Below poverty level
604
Value Percent YoY
change
Above poverty level 7,139 92.2% 0.6%
Below poverty level 604 7.8% -7.4%

Average renter income in South Beloit

To get a better sense of what renters earn on average in South Beloit, their median household income was $49,120 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 23.7%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$49,120
Rent-to-income ratio
23.7%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in South Beloit

Workforce and job types in South Beloit

The job market in South Beloit is powered by 4,358 working residents, spread across a range of industries and roles. 67.6% of the working population are employed in professional or administrative positions, while 32.4% are in hands-on or service-based jobs. Also, 8.6% run their own businesses, 70.5% are employed by private companies, and 12.1% work in the public sector.

Workforce demographics

Working population
4,358
6.7% year-over-year change
White collar
2,944
Blue collar
1,414
Value Percent YoY change
White collar 2,944 67.6% 10.9%
Blue collar 1,414 32.4% -1.1%
Employer type
Self employees
8.6%
Private companies
70.5%
Governmental workers
12.1%
Not for profit companies
8.8%
Value Percent YoY change
Self employees 377 8.6% -5.5%
Private companies 3,072 70.5% 13.4%
Governmental workers 526 12.1% -5.2%
Not for profit companies 383 8.8% -9.0%
Unemployment rate
5.9%
-4.9% year-over-year change

Available workforce

The unemployment rate in South Beloit stands at 5.9%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in South Beloit

How people get around in South Beloit

Means of transportation
Value Percent YoY change
Car 4,134 94.6% 7.1%
Bus or trolleybus 1 0% -95.7%
Bicycle 63 1.4% 12.5%
Walk 1 0% N/A
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in South Beloit by zipcode?

Zipcode Population Number of households Median income Average income
61080 10,955 4,716 $76,579 $90,285

Explore more communities

FAQs about South Beloit demographics 

What is the total population of South Beloit?

South Beloit has a total population of 7,946 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.2% compared to a year ago.

What is the gender ratio in South Beloit?

The gender ratio in South Beloit is as follows:
  • 48.1% males (3,825 residents)
  • 51.9% females (4,121 residents)

What is the median age in South Beloit?

The median age in South Beloit is 36.

What is the age distribution of the population in South Beloit?

The age distribution in South Beloit is as follows:
  • Under 15: 22.3% (1,770 residents)
  • Ages 15-24: 8.1% (643 residents)
  • Ages 25-44: 35.8% (2,845 residents)
  • Ages 45-64: 20.6% (1,639 residents)
  • Over 65: 13.2% (1,049 residents)

What is the racial and ethnic makeup of South Beloit?

The racial and ethnic makeup of South Beloit is as follows:
  • White: 78.6% (6,246 residents)
  • Black or African American: 3.2% (253 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 1.1% (90 residents)
  • Native Hawaiian and Other Pacific Islander: 0.1% (11 residents)
  • Two or More Races: 9.5% (754 residents)
  • Other: 7.4% (592 residents)

What percentage of the population in South Beloit are U.S.-born citizens?

U.S.-born citizens represent 95.2% of the population in South Beloit.

How many housing units are there in South Beloit?

There are 3,559 housing units in South Beloit, reflecting a +9.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in South Beloit and what is the average household size?

South Beloit has a total of 3,339 households, with an average of 2 people in each.

What is the median household income in South Beloit?

South Beloit has a median household income of $78,616, representing a -3.9% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for South Beloit?

The employment rate is 94.1% in South Beloit, with a workforce of 4,358 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 67.6% (2,944 residents)
  • Blue-collar workers: 32.4% (1,414 residents)

Places of employment:
  • Self-employed: 8.6% (377 residents)
  • Private companies: 70.5% (3,072 residents)
  • Governmental workers: 12.1% (526 residents)
  • Not-for-profit companies: 8.8% (383 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025