Caledonia ZIP Codes — Boone County, IL

There is one unique ZIP code in Caledonia, Illinois and it is 61011. Area code: 815.

ZIP codes

38.53

sq mi land

0.07

sq mi water

815

area code

Caledonia, IL ZIP code map

About Caledonia, IL

Caledonia, Illinois, is a charming village located in Boone County, known for its close-knit community and serene rural setting. This quaint area is characterized by its vast open spaces and agricultural landscape. Residents enjoy a peaceful lifestyle while being just a short drive away from urban conveniences.

Location & geography

Caledonia is situated in northern Illinois, approximately 12 miles northwest of the city of Rockford and around 10 miles south of the Wisconsin border. The village encompasses a land area of 38.53 square miles, with a minor water area of 0.07 square miles contributing to its scenic beauty. The surrounding terrain is predominantly flat, making it ideal for farming and outdoor activities.

Community & economy

The character of Caledonia is distinctly rural, where community bonds are strong and local events are common. The village supports several small businesses and is primarily rooted in agriculture, with many residents engaged in farming. Daily life in Caledonia revolves around family, outdoor activities, and community engagement, creating a friendly atmosphere.

Transportation

Caledonia is accessible via several local roads that connect residents to larger highways, including U.S. Route 20 and Interstate 39, providing easy access to nearby cities and services. The nearest major airports are in Rockford, with the Chicago Rockford International Airport being approximately 15 miles away. Public transit options are limited, emphasizing the need for personal transportation in the area.

History

Founded in the 19th century, Caledonia has a rich agricultural heritage that has shaped its development over the years. Key industries have historically included farming and small-scale manufacturing, contributing to the local economy. Notable events in its history often revolve around the agricultural calendar and community festivals celebrating local culture.

Did you know?

One surprising fact about Caledonia is its location at the North American glacial divide, affecting the types of soil and farming practices in the area. Additionally, the village is home to several historic sites and landmarks that reflect its agricultural heritage.

ZIP codes for Caledonia, IL (1)

ZIP code	City	County	Map
61011	Caledonia	Boone	View map

Demographics & statistics

2,681

Population

48.4

Median age

$152,250

Median household income

$61,160

Per capita income

$273,500

Median home value

$1,726

Median monthly rent

94.6%

Home ownership

2.3%

Poverty rate

15.8%

Unemployment

932

Housing units

55.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

176

20–24

146

160

25–34

133

35–44

279

45–54

233

160

55–59

133

60–64

192

65–74

161

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	384	14.3%
18 and over	2,297	85.7%
65 and over	487	18.2%
Median age	48.4 years

Race & ethnicity

White 89.3%

Two or more races 4.4%

Black or African American 3.6%

Hispanic or Latino 1.8%

Asian 1%

Group	Count	%
White	2,438	89.3%
Two or more races	120	4.4%
Black or African American	97	3.6%
Hispanic or Latino	50	1.8%
Asian	26	1%

Household income

Under $10k 1.4%

$15k–$25k 1.5%

$25k–$35k 2.5%

$35k–$50k 7.3%

$50k–$75k 13.0%

$75k–$100k 5.3%

$100k–$150k 18.1%

$150k–$200k 11.3%

$200k+ 39.6%

Range	% of households
Under $10k	1.4%
$15k–$25k	1.5%
$25k–$35k	2.5%
$35k–$50k	7.3%
$50k–$75k	13.0%
$75k–$100k	5.3%
$100k–$150k	18.1%
$150k–$200k	11.3%
$200k+	39.6%
Median income	$152,250

Housing

Home values

Under $50k 0.9%

$50k–$100k 0.2%

$100k–$150k 5.9%

$150k–$200k 19.9%

$200k–$300k 34.5%

$300k–$500k 34.2%

$500k–$1M 4.4%

Housing overview

Metric	Value
Median home value	$273,500
Median rent / month	$1,726
Owner occupied	94.6%
Renter occupied	5.4%
Vacant	2.8%
Single-family detached	95.6%
Large apartment buildings	0.0%
Mobile homes	3.0%
Median rooms	8.2
Avg household size (owned)	2.86

Year built

Era	%
2020 or later	0.0%
2010–2019	2.4%
2000–2009	17.0%
1990–1999	31.0%
1980–1989	7.9%
1970–1979	15.8%
1960–1969	3.9%
1950–1959	4.8%
1940–1949	5.8%
1939 or earlier	11.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.7%
2 bedrooms	3.6%
3 bedrooms	37.4%
4 bedrooms	46.1%
5+ bedrooms	12.2%

Vehicles per household

Vehicles	% of households
No vehicle	0.6%
1 vehicle	15.9%
2 vehicles	36.1%
3 or more	47.4%

Heating fuel

Fuel type	%
Utility gas	79.9%
Electricity	9.0%
Propane / LP gas	6.4%
Wood	3.1%
Solar	1.6%

Households & families

Household type	Count	%
Married-couple family	787	82.3%
Cohabiting couple	43	4.5%
Male householder, no spouse	65	6.8%
Female householder, no spouse	61	6.4%
Households with children under 18	242	25.3%
Households with seniors (65+)	300	31.4%
Average household size	2.80

Marital status

Status	Male	Female
Never married	26.8%	25.5%
Married	66.6%	66.4%
Separated	0.2%	0.0%
Widowed	1.3%	5.7%
Divorced	5.2%	2.4%

Education

Less than 9th grade 1.3%

Some HS, no diploma 1.8%

HS graduate 12.9%

Some college, no degree 20.0%

Associate's degree 8.4%

Bachelor's degree 30.4%

Graduate / professional 25.1%

Metric	%
HS diploma or higher	96.9%
Bachelor's or higher	55.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	17	2.6%
Kindergarten	38	5.9%
Elementary school	148	22.9%
High school	78	12.1%
College / grad school	366	56.6%

Employment

Industry of employment

Education & healthcare 17.6%

Professional & management 16.2%

Manufacturing 16.0%

Finance & real estate 9.4%

Arts, food & hospitality 8.6%

Information 7.6%

Public administration 6.8%

Other services 6.0%

Construction 4.0%

Retail trade 3.8%

Transportation & utilities 2.6%

Agriculture & mining 1.3%

Wholesale trade 0.1%

Occupation

Category	%
Management, business & arts	60.8%
Service	12.9%
Sales & office	9.4%
Natural resources & construction	4.2%
Production & transportation	12.7%

Employment type

Type	%
Private sector	83.6%
Government	12.9%
Self-employed	3.1%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	75.9%
Carpool	4.3%
Public transit	0.0%
Walk	0.4%
Other means	1.3%
Avg commute (minutes)	26.3

Poverty

All people 2.3%

Under 18 years 0.0%

18 and over 2.7%

Married-couple families 3.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	29.2%
Retirement income	26.6%
Supplemental Security	2.4%
Cash public assistance	4.9%
Food stamps / SNAP	4.9%

Health indicators

Condition	%
High blood pressure	32.0%
High cholesterol	33.8%
Heart disease	5.7%
Stroke	2.6%
Asthma	9.3%
Arthritis	25.3%
Kidney disease	2.5%
Pulmonary disease	6.1%
Cancer	6.6%

Behavior / access	%
Binge drinking	15.6%
No physical activity	21.4%
Less than 7 hrs sleep	30.5%
Fair or poor health	11.8%
Poor mental health	11.8%
Poor physical health	8.8%
No health insurance	9.0%
Visited doctor (checkup)	76.9%
Visited dentist	69.8%
Cholesterol screening	91.6%
Teeth loss	10.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	120	5.2%

Disability	%
Any disability	6.2%
Under 18	1.0%
18–64 years	4.5%
65 and over	16.8%

Health insurance coverage

Type	%
Private insurance	86.2%
Public insurance	23.2%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,542	94.8%
Spanish	8	0.3%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	8	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,648	98.8%
Born in same state	2,635	98.3%
Born in different state	2,022	75.4%
Foreign born	13	0.5%
Naturalized citizen	33	1.2%
Not a US citizen	31	93.9%

Ancestry

Ancestry	Count	%
Italian	620	23.1%
French	304	11.3%
Polish	80	3%
Arab	22	0.8%

Ancestry	Count	%
English	8	0.3%
Norwegian	7	0.3%
Irish	5	0.2%
Dutch	1	0%

Technology access

Metric	% of households
Computer access	35.7%
Internet access	97.1%

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

Frequently asked questions

What ZIP codes does Caledonia, IL have?

Caledonia, IL has one ZIP code: 61011. Each ZIP code serves a distinct delivery area within the city and surrounding region.