Seward, IL ZIP Codes, Coordinates & Counties
Seward, Illinois has 1 ZIP code in Winnebago county. The approximate center of Seward is 42.238, -89.358. Seward has about 201 known street addresses.
ZIP codes in Seward, IL
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 61077 | Winnebago | 42.238 | -89.358 |
Counties Seward spans
Winnebago
Most common streets in Seward
3rd, Tracy
Frequently asked questions
What ZIP codes are in Seward, IL?
Seward, Illinois has 1 ZIP code, ranging from 61077 to 61077. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Seward, IL in?
Seward is in Winnebago county.
What are the latitude and longitude of Seward, IL?
The approximate center of Seward, Illinois is latitude 42.238, longitude -89.358. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Seward, IL have?
Seward has 1 ZIP code.
How many addresses are in Seward, IL?
Seward, Illinois has about 201 known street addresses in the sthan.io US address database.
What are the most common streets in Seward, IL?
Some of the most common street names in Seward are 3rd, Tracy.
What cities are near Seward, IL?
Cities near Seward include Pecatonica (5 mi), German Valley (6 mi), Leaf River (6 mi), Winnebago (6 mi), Byron (8 mi).
Cities near Seward
Pecatonica, IL (5 mi) German Valley, IL (6 mi) Leaf River, IL (6 mi) Winnebago, IL (6 mi) Byron, IL (8 mi) Ridott, IL (8 mi) Baileyville, IL (12 mi) Stillman Valley, IL (12 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database