Cortland
Town in DeKalb County, Illinois

Cortland is a town in DeKalb County, Illinois, with 4,398 residents (2020 Census). It sits at 869 ft (265 m) above sea level. The nearest town is DeKalb, 3.1 miles W.
- 4,398residents (2020 Census)
- 869 ftelevation · 265 m
- 3.6 sq miland area · 9.4 km²
- 1,215 / sq mipopulation density
- 60112ZIP code
About Cortland
Cortland is an incorporated town in DeKalb County, Illinois, United States. The population was 4,398 at the 2020 Census. It was previously 4,270 at the 2010 census, up from 2,066 in 2000. Because of its status as an incorporated town, Cortland has adopted the slogan, "The Third Largest Town in Illinois". Only the towns of Cicero and Normal are larger, in terms of population. Most municipalities in Illinois are defined as "cities" or "villages."
Text: Wikipedia · CC BY-SA 4.0
Cortland weather: 7-day forecast
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Living in Cortland
- Median household income
- $73,971
- Median home value
- $233,200
- Median rent
- $1,552/mo
- Median age
- 31.5
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Map of Cortland
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Open in Google Maps ›Cortland, IL population
Cortland had 4,398 residents in the 2020 Census.
| 2020 Census | 4,398 |
|---|---|
| Density | 1,215 per sq mi (469 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Cortland at a glance
| State | Illinois (IL) |
|---|---|
| County | DeKalb County |
| Type | Town |
| Population | 4,398 (2020) |
| Land area | 3.62 sq mi (9.4 km²) |
| Water area | 0.01 sq mi (0.02 km²) |
| Elevation | 869 ft (265 m) |
| Coordinates | 41.9372° N, 88.6893° W |
| ZIP code | 60112 |
| Census code (GEOID) | 1716470 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Cortland
- DeKalb3.1 mi W
- Sycamore4.2 mi N
- Maple Park4.7 mi SE
- Virgil8.3 mi E
- Malta9.5 mi W
- Burlington10.1 mi NE
- Genoa10.6 mi N
- Kaneville11.2 mi SE
- Lily Lake11.3 mi E
- Hinckley11.7 mi S
- Kingston11.9 mi N
- Elburn12.3 mi E
Straight-line distance between town centers.
Frequently asked questions about Cortland
What county is Cortland in?
Cortland is in DeKalb County, Illinois.
What is the population of Cortland, IL?
4,398 people lived in Cortland at the 2020 Census.
What is the ZIP code of Cortland, IL?
The ZIP code of Cortland is 60112.
What is the elevation of Cortland?
869 feet (265 m) above sea level.
What towns are near Cortland?
DeKalb (3.1 mi), Sycamore (4.2 mi), Maple Park (4.7 mi), Virgil (8.3 mi), Malta (9.5 mi).
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