South Beloit ZIP Codes — Winnebago County, IL

There is one unique ZIP code in South Beloit, Illinois and it is 61080. Area code: 815/779.

ZIP codes

25.05

sq mi land

0.36

sq mi water

815/779

area code

South Beloit, IL ZIP code map

About South Beloit, IL

South Beloit, Illinois, is a charming city located in Winnebago County. Known for its friendly community atmosphere, it offers a suburban feel with easy access to nearby urban amenities. With a rich history and a focus on local industries, South Beloit has grown into a thriving part of the Rockford metropolitan area.

Location & geography

Situated in northwestern Illinois, South Beloit is positioned near the Wisconsin border and only a few miles south of Beloit, Wisconsin. The city covers a total land area of 25.05 square miles, with an additional 0.36 square miles of water. Its varied terrain includes a mix of residential neighborhoods and recreational areas, making it an appealing locale for families and outdoor enthusiasts.

Community & economy

The character of South Beloit is defined by its strong sense of community and neighborly spirit. The local economy includes a diverse range of industries, contributing to its vibrant daily life and stability. Residents enjoy a blend of small-town charm with access to various services and recreational activities, fostering a lifestyle enriched by both community engagement and local events.

Transportation

South Beloit is conveniently located near several major highways, including Interstate 90, which offers easy travel to nearby cities. The nearest major airport is the Chicago Rockford International Airport, located approximately 20 miles to the east. Public transit options are available, making it accessible for residents and visitors alike.

History

South Beloit was founded in the 1850s and has historically been shaped by industries such as manufacturing and agriculture. The city has seen significant growth and development over the decades, often highlighting its resilience during economic changes. Notable events in its history include the establishment of community organizations that have fostered civic pride and local engagement.

Did you know?

A little-known fact about South Beloit is that it was once known for its significant role in the railroad industry during the late 19th century. Today, the city is celebrated for its parks and recreational offerings, such as the scenic nature walks along the Rock River.

ZIP codes for South Beloit, IL (1)

ZIP code	City	County	Map
61080	South Beloit	Winnebago	View map

Demographics & statistics

10,780

Population

37.9

Median age

$77,386

Median household income

$37,696

Per capita income

$164,200

Median home value

$887

Median monthly rent

71.5%

Home ownership

12.2%

Poverty rate

4.4%

Unemployment

3,431

Housing units

23.7%

Bachelor's or higher

Age distribution

Male Female

369

Under 5

412

369

5–9

412

400

10–14

446

244

15–19

273

222

20–24

248

716

25–34

801

700

35–44

782

639

45–54

715

362

55–59

404

299

60–64

335

389

65–74

434

246

75–84

275

136

85+

152

← Male

Female →

Age summary

Group	Count	%
Under 18	2,712	25.2%
18 and over	8,068	74.8%
65 and over	1,632	15.1%
Median age	37.9 years

Race & ethnicity

White 77.4%

Hispanic or Latino 7.5%

Two or more races 5.9%

Other race 4.6%

Black or African American 3.1%

Asian 1.4%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	9,018	77.4%
Hispanic or Latino	868	7.5%
Two or more races	688	5.9%
Other race	540	4.6%
Black or African American	359	3.1%
Asian	165	1.4%
Native Hawaiian / Pacific Islander	7	0.1%

Household income

Under $10k 2.9%

$10k–$15k 4.9%

$15k–$25k 8.7%

$25k–$35k 6.9%

$35k–$50k 15.4%

$50k–$75k 10.5%

$75k–$100k 14.9%

$100k–$150k 23.0%

$150k–$200k 6.5%

$200k+ 6.4%

Range	% of households
Under $10k	2.9%
$10k–$15k	4.9%
$15k–$25k	8.7%
$25k–$35k	6.9%
$35k–$50k	15.4%
$50k–$75k	10.5%
$75k–$100k	14.9%
$100k–$150k	23.0%
$150k–$200k	6.5%
$200k+	6.4%
Median income	$77,386

Housing

Home values

Under $50k 9.7%

$50k–$100k 10.9%

$100k–$150k 21.1%

$150k–$200k 28.6%

$200k–$300k 17.0%

$300k–$500k 7.1%

$500k–$1M 5.5%

$1M+ 0.2%

Housing overview

Metric	Value
Median home value	$164,200
Median rent / month	$887
Owner occupied	71.5%
Renter occupied	28.5%
Vacant	5.7%
Single-family detached	75.9%
Large apartment buildings	1.6%
Mobile homes	5.9%
Median rooms	5.6
Avg household size (owned)	2.46

Year built

Era	%
2020 or later	0.0%
2010–2019	1.7%
2000–2009	26.8%
1990–1999	19.8%
1980–1989	4.7%
1970–1979	13.7%
1960–1969	8.5%
1950–1959	11.2%
1940–1949	3.9%
1939 or earlier	9.7%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	10.4%
2 bedrooms	27.8%
3 bedrooms	43.9%
4 bedrooms	13.5%
5+ bedrooms	3.0%

Vehicles per household

Vehicles	% of households
No vehicle	1.9%
1 vehicle	29.9%
2 vehicles	51.3%
3 or more	16.9%

Heating fuel

Fuel type	%
Utility gas	80.5%
Electricity	16.2%
Propane / LP gas	2.1%
Wood	0.3%
No fuel used	0.7%

Households & families

Household type	Count	%
Married-couple family	2,200	49.7%
Cohabiting couple	492	11.1%
Male householder, no spouse	798	18.0%
Female householder, no spouse	933	21.1%
Households with children under 18	1,402	31.7%
Households with seniors (65+)	1,185	26.8%
Average household size	2.42

Marital status

Status	Male	Female
Never married	25.5%	27.0%
Married	57.5%	51.1%
Separated	0.2%	0.8%
Widowed	2.4%	8.5%
Divorced	14.4%	12.5%

Education

Less than 9th grade 2.2%

Some HS, no diploma 7.3%

HS graduate 33.6%

Some college, no degree 18.9%

Associate's degree 14.3%

Bachelor's degree 13.9%

Graduate / professional 9.9%

Metric	%
HS diploma or higher	90.5%
Bachelor's or higher	23.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	215	8.4%
Kindergarten	143	5.6%
Elementary school	1,386	54.4%
High school	498	19.6%
College / grad school	304	11.9%

Employment

Industry of employment

Manufacturing 24.0%

Education & healthcare 21.7%

Retail trade 11.5%

Arts, food & hospitality 9.2%

Construction 8.0%

Professional & management 5.6%

Finance & real estate 5.0%

Other services 4.7%

Transportation & utilities 3.9%

Public administration 2.8%

Wholesale trade 2.0%

Information 1.6%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	34.2%
Service	18.2%
Sales & office	16.0%
Natural resources & construction	10.0%
Production & transportation	21.5%

Employment type

Type	%
Private sector	87.0%
Government	9.7%
Self-employed	3.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	79.1%
Carpool	11.8%
Public transit	0.5%
Walk	0.1%
Other means	3.0%
Avg commute (minutes)	27.7

Poverty

All people 12.2%

Under 18 years 14.2%

18 and over 11.6%

Married-couple families 7.7%

Female-led households 43.7%

Income support

Source	% of households
Social Security	27.2%
Retirement income	22.4%
Supplemental Security	4.4%
Cash public assistance	3.8%
Food stamps / SNAP	12.7%

Health indicators

Condition	%
High blood pressure	32.2%
High cholesterol	31.7%
Heart disease	5.8%
Stroke	2.8%
Asthma	9.6%
Arthritis	24.7%
Kidney disease	2.7%
Pulmonary disease	6.7%
Cancer	6.1%

Behavior / access	%
Binge drinking	16.4%
No physical activity	24.6%
Less than 7 hrs sleep	31.7%
Fair or poor health	13.9%
Poor mental health	13.2%
Poor physical health	9.7%
No health insurance	11.3%
Visited doctor (checkup)	75.7%
Visited dentist	64.8%
Cholesterol screening	89.2%
Teeth loss	15.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	506	6.3%

Disability	%
Any disability	12.0%
Under 18	1.4%
18–64 years	12.7%
65 and over	27.3%

Health insurance coverage

Type	%
Private insurance	68.5%
Public insurance	34.5%
Uninsured under 19	6.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	9,999	92.8%
Spanish	447	4.5%
Other Indo-European	378	3.8%
Asian & Pacific Islander	0	0.0%
Other languages	69	0.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	10,214	94.7%
Born in same state	10,188	94.5%
Born in different state	5,902	54.7%
Foreign born	26	0.2%
Naturalized citizen	566	5.3%
Not a US citizen	237	41.9%

Ancestry

Ancestry	Count	%
French	1,326	12.3%
Italian	1,225	11.4%
Polish	512	4.7%
Arab	239	2.2%

Ancestry	Count	%
English	82	0.8%
Dutch	82	0.8%
German	18	0.2%
Norwegian	11	0.1%

Technology access

Metric	% of households
Computer access	41.0%
Internet access	93.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does South Beloit, IL have?

South Beloit, IL has one ZIP code: 61080. Each ZIP code serves a distinct delivery area within the city and surrounding region.