Union, IL ZIP Codes, Coordinates & Counties
Union, Illinois has 1 ZIP code in McHenry county. The approximate center of Union is 42.225, -88.525. Union has about 17,965 known street addresses.
ZIP codes in Union, IL
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 60180 | McHenry | 42.225 | -88.525 |
Counties Union spans
McHenry
Most common streets in Union
Union, Marengo, Coral, Jefferson, Elm, Johnson, Washington, Main, Stacy, Meadow
Frequently asked questions
What ZIP codes are in Union, IL?
Union, Illinois has 1 ZIP code, ranging from 60180 to 60180. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Union, IL in?
Union is in McHenry county.
What are the latitude and longitude of Union, IL?
The approximate center of Union, Illinois is latitude 42.225, longitude -88.525. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Union, IL have?
Union has 1 ZIP code.
How many addresses are in Union, IL?
Union, Illinois has about 17,965 known street addresses in the sthan.io US address database.
What are the most common streets in Union, IL?
Some of the most common street names in Union are Union, Marengo, Coral, Jefferson, Elm, Johnson.
What cities are near Union, IL?
Cities near Union include Huntley (5 mi), Marengo (5 mi), Woodstock (8 mi), Lake In The Hills (9 mi), Hampshire (10 mi).
Cities near Union
Huntley, IL (5 mi) Marengo, IL (5 mi) Woodstock, IL (8 mi) Lake In The Hills, IL (9 mi) Hampshire, IL (10 mi) Crystal Lake, IL (11 mi) Garden Prairie, IL (11 mi) Genoa, IL (11 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database