Skip to content

Checked

Cortland, IL

Town in DeKalb County, Illinois. ZIP codes: 60112.

Population

4,564

Land area

3.6sq mi

People per sq mi

1,270

ZIP codes

1

Cortland and its ZIP codes

Full map

Cortland at a glance

  • Cortland is about 5.6 times as dense as Illinois as a whole.
  • The median household income is $73,971, 11% below the Illinois median of $83,390.
  • A typical owner-occupied home is valued at $233,200 (11% below Illinois) and median rent is $1,552 a month.

Local data for Cortland, IL

Counts from official public data

Housing and community stats

Cortland, IL, American Community Survey 2020-2024

Full profile

Median household income

$73,971

Poverty rate

7.0%

Median home value

$233,200

Median rent

$1,552/mo

Homeownership

78.0%

Bachelor's or higher

26.7%

Median age

31.5

Average commute

25.5 min

Largest reported origins and ancestries: German Americans (1,072), Irish Americans (639), Mexican Americans (591).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for DeKalb County. PPP loans are for Cortland.

Details

Unemployment rate

3.7%

Aug 2026, -1.0 pts in a year

Average annual pay

$59,423

36,506 jobs, 2025

Income per person

$55,006

BEA, 2024

Federal spending

$551M

FY 2026, $5,487 per person

PPP loans

$4.5M

80 loans, 397 jobs reported

DeKalb County economyFederal spendingPPP loans

How people get to work

Cortland, IL, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone80.0%
  • Carpooled8.1%
  • Public transit1.9%
  • Walked0.5%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other0.0%
  • Worked from home9.6%

Average one-way commute: 25.5 minutes for people who do not work from home.

Environment and hazard risk

Cortland, IL, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: cold wave

Storm events since 1996

603

Countywide, mostly thunderstorm wind

Flood insurance policies

152

0.5% of homes, county

July high / Jan low

83° / 13°F

37.3 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Cortland, IL, CDC PLACES estimates

All 40 measures

Obesity

36.0%

U.S. 33.3% +2.7 pts

Diabetes

8.7%

U.S. 12.1% -3.4 pts

Smoking

13.2%

U.S. 12.8% about the same

Uninsured (18-64)

9.2%

U.S. 11.1% -1.9 pts

ZIP codes in Cortland

1 in or overlapping Cortland. Population shown

·

Cities near Cortland

NameDistanceLand area (sq mi)
DeKalbCity3.3 mi17.5
Maple ParkVillage5.1 mi2.3
SycamoreCity5.1 mi10.1
VirgilVillage8.6 mi2.2
MaltaVillage8.7 mi0.6
BurlingtonVillage10 mi6.9
KanevilleVillage11 mi0.3
HinckleyVillage11 mi0.9
WatermanVillage11 mi1.5
Lily LakeVillage11 mi2.7
GenoaCity12 mi2.6
ElburnVillage12 mi3.8
KingstonVillage13 mi1
CrestonVillage14 mi1.1
KirklandVillage14 mi1.2
ShabbonaVillage15 mi1.3

Frequently asked questions

What county is Cortland, IL in?
Cortland is in DeKalb County, Illinois.
What ZIP codes are in Cortland, IL?
ZIP codes in or overlapping Cortland include 60112.
What is the population of Cortland, IL?
About 4,564 people live in Cortland, based on American Community Survey 5-year estimates.
What cities are near Cortland?
Nearby places include DeKalb (3.3 mi), Maple Park (5.1 mi), Sycamore (5.1 mi), Virgil (8.6 mi), Malta (8.7 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023