Decatur, IL ZIP Codes, Coordinates & Counties
Decatur, Illinois has 4 ZIP codes in Macon county. The approximate center of Decatur is 39.847, -88.979. Decatur has about 422,833 known street addresses.
ZIP codes in Decatur, IL
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 62521 | Macon | 39.815 | -88.925 |
| 62522 | Macon | 39.829 | -89.051 |
| 62523 | Macon | 39.844 | -88.952 |
| 62526 | Macon | 39.902 | -88.988 |
Counties Decatur spans
Macon
Most common streets in Decatur
Main, Taylor, Wood, Division, William, Oakland, Grand, Monroe, Garfield, 22nd
Frequently asked questions
What ZIP codes are in Decatur, IL?
Decatur, Illinois has 4 ZIP codes, ranging from 62521 to 62526. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Decatur, IL in?
Decatur is in Macon county.
What are the latitude and longitude of Decatur, IL?
The approximate center of Decatur, Illinois is latitude 39.847, longitude -88.979. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Decatur, IL have?
Decatur has 4 ZIP codes.
How many addresses are in Decatur, IL?
Decatur, Illinois has about 422,833 known street addresses in the sthan.io US address database.
What are the most common streets in Decatur, IL?
Some of the most common street names in Decatur are Main, Taylor, Wood, Division, William, Oakland.
What cities are near Decatur, IL?
Cities near Decatur include Forsyth (5 mi), Harristown (6 mi), Elwin (6 mi), Boody (7 mi), Warrensburg (8 mi).
Cities near Decatur
Forsyth, IL (5 mi) Harristown, IL (6 mi) Elwin, IL (6 mi) Boody, IL (7 mi) Warrensburg, IL (8 mi) Mt Zion, IL (8 mi) Oreana, IL (9 mi) Niantic, IL (10 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database