Osco, IL ZIP Codes, Coordinates & Counties
Osco, Illinois has 1 ZIP code in Henry county. The approximate center of Osco is 41.369, -90.277. Osco has about 7,662 known street addresses.
ZIP codes in Osco, IL
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 61274 | Henry | 41.369 | -90.277 |
Counties Osco spans
Henry
Most common streets in Osco
1300th, 1400th, 1500th, 900th, 1700th, 600th, 700th, 1100th, 1000th, North
Frequently asked questions
What ZIP codes are in Osco, IL?
Osco, Illinois has 1 ZIP code, ranging from 61274 to 61274. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Osco, IL in?
Osco is in Henry county.
What are the latitude and longitude of Osco, IL?
The approximate center of Osco, Illinois is latitude 41.369, longitude -90.277. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Osco, IL have?
Osco has 1 ZIP code.
How many addresses are in Osco, IL?
Osco, Illinois has about 7,662 known street addresses in the sthan.io US address database.
What are the most common streets in Osco, IL?
Some of the most common street names in Osco are 1300th, 1400th, 1500th, 900th, 1700th, 600th.
What cities are near Osco, IL?
Cities near Osco include Orion (6 mi), Lynn Center (7 mi), Cambridge (8 mi), Coal Valley (9 mi), Colona (9 mi).
Cities near Osco
Orion, IL (6 mi) Lynn Center, IL (7 mi) Cambridge, IL (8 mi) Coal Valley, IL (9 mi) Colona, IL (9 mi) Carbon Cliff, IL (10 mi) Geneseo, IL (10 mi) Ophiem, IL (10 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database