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Where 61112 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 61112 into a pocket calculator and turn it upside down: ZIIIg — not quite a word, sorry.
- ➕ As a number, 61,112 = 2 × 2 × 2 × 7639. Its digits add up to 11, a total 714 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110111010111000 - 🏠 Its numerical neighbours: 61111 (Loves Park, IL, 7 mi away) and 61114 (Rockford, IL, 5 mi away).
- 🔄 Backwards, 61112 becomes 21116, which is not a ZIP code at all.
- 👥 7 other ZIP codes are made of exactly the same digits (11216, 12116, 12161, 16112, 16121, 16211, …). The farthest-flung twin is 11216 in Brooklyn, NY, 784 miles away.
- 🧭 Farther north than 77% of all ZIP codes, and farther west than 53%.
- 🎯527 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 61112 and you would come out at 42.24°S, 91.02°E — 1,111 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 0.789 square miles of land, 61112 is bigger than 7% of ZIP codes — about 382 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 152This ZIP152 |
|---|---|
| Households | 62This ZIP62 |
| Housing units | 62This ZIP62 |
| Median age | 80.4This ZIP80.4Illinois39.0US 38.9 |
| Median household income | $40,563This ZIP$40,563Illinois$83,390US $80,734 |
| Bachelor's degree or higher | 11.2%This ZIP11.2% |
| Population density | 192.6 / sq miThis ZIP192.6 / sq mi |
Business and tax activity
| Business establishments | 129This ZIP129 |
|---|---|
| Employees | 1,813This ZIP1,813 |
| Annual payroll | $55,310,000This ZIP$55,310,000 |
Land area
| Land area | 0.79 sq miThis ZIP0.79 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 61112
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 61112
| ZIP | City | Distance |
|---|---|---|
61108 | Rockford, IL | 1.7 mi |
61107 | Rockford, IL | 3.3 mi |
61016 | Cherry Valley, IL | 3.4 mi |
61114 | Rockford, IL | 4.5 mi |
61104 | Rockford, IL | 5.4 mi |
61109 | Rockford, IL | 5.4 mi |
61105 | Rockford, IL | 6.4 mi |
61111 | Loves Park, IL | 6.6 mi |
61008 | Belvidere, IL | 6.9 mi |
61115 | Machesney Park, IL | 8.7 mi |
Find every ZIP code within 10 miles of 61112 →
Questions about this ZIP code
Where is ZIP code 61112?
61112 is in Rockford, Illinois, in Winnebago County, part of the Rockford, IL metropolitan area. Its published point location is 42.2420, -88.9752.
What county is 61112 in?
61112 lies in Winnebago County.
What area code is 61112?
Rockford uses area codes 815 and 779, from NANPA's telephone records.
What time zone is 61112 in?
61112 uses America/Chicago.
How many people live in 61112?
About 152 people live in ZIP code 61112, in 62 households, at 192.6 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 61112?
$40,563 a year, against $83,390 across Illinois.
What ZIP codes are near 61112?
The closest are 61108 (1.7 mi), 61107 (3.3 mi), 61016 (3.4 mi), 61114 (4.5 mi) and 61104 (5.4 mi).
Is 61112 a PO Box ZIP code?
61112 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “61112 ZIP Code — Rockford, Illinois (Winnebago County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61112
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/61112.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.