61088
ZIP 61088 is Winnebago, Illinois, mostly in Winnebago County; area codes 815 and 779; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Winnebago +1 more
- Metro area
- Rockford, IL
- Population
- 6,167
- Coordinates
- 42.2681, -89.2627
Weather right now
Asking the National Weather Service…
Where 61088 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 61088 into a pocket calculator and turn it upside down: BBOIg — not quite a word, sorry.
- ➕ As a number, 61,088 = 2 × 2 × 2 × 2 × 2 × 23 × 83. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110111010100000 - 🏠 Its numerical neighbours: 61087 (Warren, IL, 40 mi away) and 61089 (Winslow, IL, 32 mi away).
- 🔄 Backwards, 61088 becomes 88016, which is not a ZIP code at all.
- 👥 18 other ZIP codes are made of exactly the same digits (01886, 06881, 08618, 08816, 08861, 18068, …). The farthest-flung twin is 86018 in Parks, AZ, 1,311 miles away.
- 🧭 Farther north than 77% of all ZIP codes, and farther west than 54%.
- 🎯514 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 61088 and you would come out at 42.27°S, 90.74°E — 1,098 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 56.6 square miles of land, 61088 is bigger than 63% of ZIP codes — room for about 43 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 6,167This ZIP6,167 |
|---|---|
| Households | 2,332This ZIP2,332 |
| Housing units | 2,378This ZIP2,378 |
| Median age | 44.3This ZIP44.3Illinois39.0US 38.9 |
| Median household income | $98,088This ZIP$98,088Illinois$83,390US $80,734 |
| Median home value | $208,700This ZIP$208,700Illinois$263,300US $332,700 |
| Median gross rent | $1,058This ZIP$1,058Illinois$1,274US $1,413 |
| Bachelor's degree or higher | 29.9%This ZIP29.9% |
| Mean commute | 26.5 minThis ZIP26.5 min |
| Population density | 109.0 / sq miThis ZIP109.0 / sq mi |
Business and tax activity
| Business establishments | 89This ZIP89 |
|---|---|
| Employees | 695This ZIP695 |
| Annual payroll | $25,162,000This ZIP$25,162,000 |
| Tax returns filed | 2,960This ZIP2,960 |
| Total adjusted gross income | $256,828,000This ZIP$256,828,000 |
Land area
| Land area | 56.57 sq miThis ZIP56.57 sq mi |
|---|---|
| Water area | 0.14 sq miThis ZIP0.14 sq mi |
Counties 61088 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Winnebago County | 99.8% |
| Ogle County | 0.2% |
Other place names in 61088
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 61088
| ZIP | City | Distance |
|---|---|---|
61077 | Seward, IL | 4.8 mi |
61063 | Pecatonica, IL | 5.3 mi |
61102 | Rockford, IL | 5.8 mi |
61106 | Rockford, IL | 6.2 mi |
61110 | Rockford, IL | 6.2 mi |
61125 | Rockford, IL | 6.2 mi |
61126 | Rockford, IL | 6.2 mi |
61130 | Loves Park, IL | 6.2 mi |
61131 | Loves Park, IL | 6.2 mi |
61132 | Loves Park, IL | 6.2 mi |
Find every ZIP code within 10 miles of 61088 →
Questions about this ZIP code
Where is ZIP code 61088?
61088 is in Winnebago, Illinois, in Winnebago County, part of the Rockford, IL metropolitan area. Its published point location is 42.2681, -89.2627.
What county is 61088 in?
61088 spans 2 counties: Winnebago County and Ogle County. Most of it falls in Winnebago County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 61088?
Winnebago uses area codes 815 and 779, from NANPA's telephone records.
What time zone is 61088 in?
61088 uses America/Chicago.
How many people live in 61088?
About 6,167 people live in ZIP code 61088, in 2,332 households, at 109.0 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 61088?
$98,088 a year, against $83,390 across Illinois.
What ZIP codes are near 61088?
The closest are 61077 (4.8 mi), 61063 (5.3 mi), 61102 (5.8 mi), 61106 (6.2 mi) and 61110 (6.2 mi).
Is 61088 a PO Box ZIP code?
61088 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “61088 ZIP Code — Winnebago, Illinois (Winnebago County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61088
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/61088.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.