Cortland ZIP Codes — Dekalb County, IL

There is one unique ZIP code in Cortland, Illinois and it is 60112. Area code: 815/779.
1
ZIP codes
3.66
sq mi land
0.00
sq mi water
815/779
area code
Cortland, IL ZIP code map

About Cortland, IL

Cortland is a charming village located in Dekalb County, Illinois. With a small-town atmosphere, it offers a welcoming community feel. The village is known for its friendly residents and well-maintained public spaces.

Location & geography

Cortland is situated approximately 60 miles west of Chicago and is surrounded by a scenic landscape. Nearby cities include DeKalb, located about 5 miles to the south, Genoa approximately 7 miles to the northwest, Sycamore roughly 8 miles to the southwest, and Maple Park, about 6 miles to the east. The village encompasses a total land area of 3.66 square miles, with no significant water bodies within its borders.

Community & economy

The character of Cortland is defined by its tight-knit community and family-friendly environment. The village supports a mix of residential living, local businesses, and agricultural ventures, contributing to its economic stability. Daily life in Cortland reflects traditional Midwestern values with a focus on community engagement and outdoor activities.

Transportation

Cortland is conveniently connected by major highways, including Illinois Route 23, which runs north-south through the village. The nearest airport for commercial flights is Chicago Rockford International Airport, located about 30 miles to the northwest. Public transit options are limited, with most residents relying on personal vehicles.

History

Cortland was founded in the mid-19th century and has since developed from a rural farming community into a more suburban village. Key industries have included agriculture and small-scale manufacturing, which provided essential jobs to residents. Over the years, the village has maintained its small-town charm while welcoming new families and businesses.

Did you know?

A little-known fact about Cortland is that it has only one ZIP code, 60112, which simplifies postal routes in the area. Additionally, while it is classified as a village, its close-knit community fosters a sense of hometown pride that is often found in small towns across America.

ZIP codes for Cortland, IL (1)
ZIP code City County Map
60112 Cortland Dekalb View map

Demographics & statistics

4,783
Population
31.6
Median age
$76,528
Median household income
$37,091
Per capita income
$195,500
Median home value
$1,423
Median monthly rent
73.4%
Home ownership
4.4%
Poverty rate
5.3%
Unemployment
1,332
Housing units
32.2%
Bachelor's or higher

Age distribution

Male Female
168
Under 5
129
164
5–9
126
233
10–14
179
78
15–19
60
224
20–24
173
629
25–34
486
430
35–44
332
195
45–54
151
174
55–59
135
143
60–64
111
130
65–74
100
114
75–84
88
17
85+
14
← Male
Female →

Age summary

GroupCount%
Under 181,09823.0%
18 and over3,68577.0%
65 and over4639.7%
Median age31.6 years

Race & ethnicity

White 75.2%
Black or African American 11.1%
Two or more races 7.1%
Hispanic or Latino 5.8%
Other race 0.7%
GroupCount%
White3,82075.2%
Black or African American56411.1%
Two or more races3637.1%
Hispanic or Latino2975.8%
Other race360.7%

Household income

Under $10k 2.2%
$10k–$15k 1.6%
$15k–$25k 2.4%
$25k–$35k 3.5%
$35k–$50k 8.0%
$50k–$75k 28.1%
$75k–$100k 12.5%
$100k–$150k 17.0%
$150k–$200k 19.5%
$200k+ 5.1%
Range% of households
Under $10k2.2%
$10k–$15k1.6%
$15k–$25k2.4%
$25k–$35k3.5%
$35k–$50k8.0%
$50k–$75k28.1%
$75k–$100k12.5%
$100k–$150k17.0%
$150k–$200k19.5%
$200k+5.1%
Median income$76,528

Housing

Home values

Under $50k 2.9%
$50k–$100k 1.8%
$100k–$150k 6.8%
$150k–$200k 42.2%
$200k–$300k 42.1%
$300k–$500k 2.5%
$500k–$1M 1.8%

Housing overview

MetricValue
Median home value$195,500
Median rent / month$1,423
Owner occupied73.4%
Renter occupied26.6%
Vacant4.3%
Single-family detached61.9%
Large apartment buildings0.0%
Mobile homes2.4%
Median rooms5.7
Avg household size (owned)2.91

Year built

Era%
2020 or later0.0%
2010–20192.2%
2000–200935.3%
1990–199924.0%
1980–19893.8%
1970–197911.1%
1960–19696.6%
1950–195911.0%
1940–19494.0%
1939 or earlier1.9%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom0.4%
2 bedrooms19.7%
3 bedrooms61.1%
4 bedrooms16.5%
5+ bedrooms2.2%

Vehicles per household

Vehicles% of households
No vehicle1.6%
1 vehicle29.7%
2 vehicles42.4%
3 or more26.4%

Heating fuel

Fuel type%
Utility gas89.5%
Electricity8.5%
Propane / LP gas0.2%
Fuel oil1.8%

Households & families

Household typeCount%
Married-couple family80847.3%
Cohabiting couple40923.9%
Male householder, no spouse30718.0%
Female householder, no spouse18510.8%
Households with children under 1859534.8%
Households with seniors (65+)33519.6%
Average household size2.80

Marital status

StatusMaleFemale
Never married46.9%39.0%
Married40.5%45.6%
Separated0.0%0.0%
Widowed2.5%3.3%
Divorced10.0%12.2%

Education

Less than 9th grade 1.9%
Some HS, no diploma 4.8%
HS graduate 26.8%
Some college, no degree 25.5%
Associate's degree 8.7%
Bachelor's degree 19.7%
Graduate / professional 12.5%
Metric%
HS diploma or higher93.3%
Bachelor's or higher32.2%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool796.3%
Kindergarten705.6%
Elementary school51841.4%
High school19715.7%
College / grad school38831.0%

Employment

Industry of employment

Education & healthcare 28.4%
Retail trade 16.3%
Professional & management 12.4%
Construction 8.3%
Manufacturing 7.3%
Transportation & utilities 6.7%
Finance & real estate 5.7%
Wholesale trade 3.9%
Arts, food & hospitality 3.9%
Public administration 3.4%
Other services 1.9%
Information 1.5%
Agriculture & mining 0.3%

Occupation

Category%
Management, business & arts33.5%
Service18.7%
Sales & office29.2%
Natural resources & construction9.1%
Production & transportation9.5%

Employment type

Type%
Private sector80.1%
Government16.4%
Self-employed3.5%
Unpaid family workers0.0%

Commute

Method%
Drive alone85.3%
Carpool8.8%
Public transit0.5%
Walk0.3%
Other means0.8%
Avg commute (minutes)29.3

Poverty

All people 4.4%
Under 18 years 0.0%
18 and over 5.6%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security18.8%
Retirement income13.8%
Supplemental Security3.6%
Cash public assistance1.3%
Food stamps / SNAP15.3%

Health indicators

Condition%
High blood pressure23.4%
High cholesterol24.9%
Heart disease3.6%
Stroke1.8%
Asthma9.8%
Arthritis17.6%
Kidney disease1.8%
Pulmonary disease4.5%
Cancer4.1%
Behavior / access%
Binge drinking18.2%
No physical activity20.7%
Less than 7 hrs sleep31.9%
Fair or poor health10.9%
Poor mental health14.1%
Poor physical health7.7%
No health insurance12.1%
Visited doctor (checkup)72.5%
Visited dentist62.6%
Cholesterol screening86.3%
Teeth loss12.0%

Veterans & disability

VeteransCount%
Civilian veterans1694.6%
Disability%
Any disability11.7%
Under 188.7%
18–64 years10.1%
65 and over30.0%

Health insurance coverage

Type%
Private insurance78.4%
Public insurance27.7%
Uninsured under 192.1%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only4,48693.8%
Spanish1363.0%
Other Indo-European1122.5%
Asian & Pacific Islander240.5%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)4,55295.2%
Born in same state4,53094.7%
Born in different state3,85980.7%
Foreign born220.5%
Naturalized citizen2314.8%
Not a US citizen7130.7%

Ancestry

AncestryCount%
Italian73415.3%
French2775.8%
English1843.8%
Arab1312.7%
AncestryCount%
Polish952%
Dutch320.7%
Irish110.2%

Technology access

Metric% of households
Computer access35.7%
Internet access99.5%

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

Frequently asked questions
What ZIP codes does Cortland, IL have?
Cortland, IL has one ZIP code: 60112. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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