61077
ZIP 61077 is Seward, Illinois, in Winnebago County; area codes 815 and 779; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Winnebago
- Metro area
- Rockford, IL
- Population
- 97
- Coordinates
- 42.2401, -89.3480
Weather right now
Asking the National Weather Service…
Where 61077 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 61077 into a pocket calculator and turn it upside down: LLOIg — not quite a word, sorry.
- ➕ As a number, 61,077 = 3 × 20359. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110111010010101 - 🏠 Its numerical neighbours: 61075 (Scales Mound, IL, 49 mi away) and 61078 (Shannon, IL, 20 mi away).
- 🔄 Backwards, 61077 becomes 77016 — and that is a real ZIP code: Houston, TX, 917 miles away.
- 👥 24 other ZIP codes are made of exactly the same digits (01776, 07716, 17067, 17076, 17607, 17760, …). The farthest-flung twin is 77061 in Houston, TX, 931 miles away.
- 🧭 Farther north than 77% of all ZIP codes, and farther west than 54%.
- 🎯509 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 61077 and you would come out at 42.24°S, 90.65°E — 1,095 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 16m of daylight. Shortest: 9h 05m.
- 📏 At 0.794 square miles of land, 61077 is bigger than 7% of ZIP codes — about 384 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 97This ZIP97 |
|---|---|
| Households | 48This ZIP48 |
| Housing units | 48This ZIP48 |
| Bachelor's degree or higher | 50.5%This ZIP50.5% |
| Population density | 122.2 / sq miThis ZIP122.2 / sq mi |
Business and tax activity
| Business establishments | 7This ZIP7 |
|---|---|
| Employees | 141This ZIP141 |
| Annual payroll | $8,200,000This ZIP$8,200,000 |
Land area
| Land area | 0.79 sq miThis ZIP0.79 sq mi |
|---|---|
| Water area | 0.00 sq mi |
ZIP codes near 61077
| ZIP | City | Distance |
|---|---|---|
61088 | Winnebago, IL | 4.8 mi |
61063 | Pecatonica, IL | 5.5 mi |
61047 | Leaf River, IL | 6.5 mi |
61039 | German Valley, IL | 6.6 mi |
61067 | Ridott, IL | 7.8 mi |
61010 | Byron, IL | 8.3 mi |
61102 | Rockford, IL | 9.5 mi |
61106 | Rockford, IL | 10.8 mi |
61110 | Rockford, IL | 10.8 mi |
61125 | Rockford, IL | 10.8 mi |
Find every ZIP code within 10 miles of 61077 →
Questions about this ZIP code
Where is ZIP code 61077?
61077 is in Seward, Illinois, in Winnebago County, part of the Rockford, IL metropolitan area. Its published point location is 42.2401, -89.3480.
What county is 61077 in?
61077 lies in Winnebago County.
What area code is 61077?
Seward uses area codes 815 and 779, from NANPA's telephone records.
What time zone is 61077 in?
61077 uses America/Chicago.
How many people live in 61077?
About 97 people live in ZIP code 61077, in 48 households, at 122.2 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 61077?
The closest are 61088 (4.8 mi), 61063 (5.5 mi), 61047 (6.5 mi), 61039 (6.6 mi) and 61067 (7.8 mi).
Is 61077 a PO Box ZIP code?
61077 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “61077 ZIP Code — Seward, Illinois (Winnebago County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61077
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/61077.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.