Illinois City, IL ZIP Codes, Coordinates & Counties
Illinois City, Illinois has 1 ZIP code in Rock Island county. The approximate center of Illinois City is 41.388, -90.932. Illinois City has about 24,863 known street addresses.
ZIP codes in Illinois City, IL
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 61259 | Rock Island | 41.388 | -90.932 |
Counties Illinois City spans
Rock Island
Most common streets in Illinois City
124th, 120th, 190th, 141st, 175th, 224th, 154th, 210th, 162nd, 113th
Frequently asked questions
What ZIP codes are in Illinois City, IL?
Illinois City, Illinois has 1 ZIP code, ranging from 61259 to 61259. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Illinois City, IL in?
Illinois City is in Rock Island county.
What are the latitude and longitude of Illinois City, IL?
The approximate center of Illinois City, Illinois is latitude 41.388, longitude -90.932. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Illinois City, IL have?
Illinois City has 1 ZIP code.
How many addresses are in Illinois City, IL?
Illinois City, Illinois has about 24,863 known street addresses in the sthan.io US address database.
What are the most common streets in Illinois City, IL?
Some of the most common street names in Illinois City are 124th, 120th, 190th, 141st, 175th, 224th.
What cities are near Illinois City, IL?
Cities near Illinois City include Muscatine (7 mi), New Boston (10 mi), Joy (10 mi), Taylor Ridge (10 mi), Fruitland (11 mi).
Cities near Illinois City
Muscatine, IA (7 mi) New Boston, IL (10 mi) Joy, IL (10 mi) Taylor Ridge, IL (10 mi) Fruitland, IA (11 mi) Andalusia, IL (11 mi) Blue Grass, IA (11 mi) Buffalo, IA (11 mi)
Need this for any US address, in code?
Get the ZIP code, county, and coordinates for any US address through the sthan.io API. Free 100 requests/month, no credit card required.
View the API →Last updated: June 2026 · Data: sthan.io US address database