Cortland, IL ZIP Codes, Coordinates & Counties
Cortland, Illinois has 1 ZIP code in DeKalb county. The approximate center of Cortland is 41.924, -88.691. Cortland has about 10,134 known street addresses.
ZIP codes in Cortland, IL
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 60112 | DeKalb | 41.924 | -88.691 |
Counties Cortland spans
DeKalb
Most common streets in Cortland
Aspen, Hickory, Chestnut, Charles, Dogwood, Heron, Lincoln, Lexington, North, Hampstead
Frequently asked questions
What ZIP codes are in Cortland, IL?
Cortland, Illinois has 1 ZIP code, ranging from 60112 to 60112. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Cortland, IL in?
Cortland is in DeKalb county.
What are the latitude and longitude of Cortland, IL?
The approximate center of Cortland, Illinois is latitude 41.924, longitude -88.691. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Cortland, IL have?
Cortland has 1 ZIP code.
How many addresses are in Cortland, IL?
Cortland, Illinois has about 10,134 known street addresses in the sthan.io US address database.
What are the most common streets in Cortland, IL?
Some of the most common street names in Cortland are Aspen, Hickory, Chestnut, Charles, Dogwood, Heron.
What cities are near Cortland, IL?
Cities near Cortland include Dekalb (4 mi), Maple Park (6 mi), Sycamore (6 mi), Clare (9 mi), Hinckley (10 mi).
Cities near Cortland
Dekalb, IL (4 mi) Maple Park, IL (6 mi) Sycamore, IL (6 mi) Clare, IL (9 mi) Hinckley, IL (10 mi) Malta, IL (10 mi) Kaneville, IL (11 mi) Burlington, IL (11 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database