Seward, IL ZIP code
The ZIP code for Seward, Illinois is 61077. It is in Winnebago County.
- Population in these ZIPs
- 97
- Avg. median income
- —population-weighted
- Typical home value
- —population-weighted
- Metro area
- Rockford, IL
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Seward, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 61077 | 97 | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Seward
- Winnebago 5 mi
- Pecatonica 5 mi
- Leaf River 7 mi
- German Valley 7 mi
- Ridott 8 mi
- Byron 8 mi
- Stillman Valley 11 mi
- Loves Park 13 mi
- Baileyville 13 mi
- Rockford 14 mi
- Rock City 14 mi
- Mount Morris 14 mi
Frequently asked questions
What is the ZIP code for Seward, IL?
The ZIP code for Seward, IL is 61077.
What county is Seward, Illinois in?
Seward ZIP codes are in Winnebago County.