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Where 61107 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 61107 into a pocket calculator and turn it upside down: LOIIg — not quite a word, sorry.
- ➕ As a number, 61,107 = 3 × 20369. Its digits add up to 15, a total 1,657 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110111010110011 - 🏠 Its numerical neighbours: 61106 (Rockford, IL, 9 mi away) and 61108 (Rockford, IL, 2 mi away).
- 🔄 Backwards, 61107 becomes 70116 — and that is a real ZIP code: New Orleans, LA, 853 miles away.
- 👥 29 other ZIP codes are made of exactly the same digits (06117, 10167, 10176, 11706, 11760, 16017, …). The farthest-flung twin is 70611 in Lake Charles, LA, 857 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 61107 and you would come out at 42.29°S, 91.00°E — 1,108 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 17m of daylight. Shortest: 9h 05m.
- 📏 At 14.9 square miles of land, 61107 is bigger than 33% of ZIP codes — room for about 11 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 30,765This ZIP30,765 |
|---|---|
| Households | 12,883This ZIP12,883 |
| Housing units | 13,854This ZIP13,854 |
| Median age | 42.4This ZIP42.4Illinois39.0US 38.9 |
| Median household income | $78,574This ZIP$78,574Illinois$83,390US $80,734 |
| Median home value | $175,400This ZIP$175,400Illinois$263,300US $332,700 |
| Median gross rent | $1,100This ZIP$1,100Illinois$1,274US $1,413 |
| Bachelor's degree or higher | 37.1%This ZIP37.1% |
| Mean commute | 21.8 minThis ZIP21.8 min |
| Population density | 2,061.0 / sq miThis ZIP2,061.0 / sq mi |
Business and tax activity
| Business establishments | 715This ZIP715 |
|---|---|
| Employees | 10,782This ZIP10,782 |
| Annual payroll | $581,218,000This ZIP$581,218,000 |
| Tax returns filed | 15,060This ZIP15,060 |
| Total adjusted gross income | $1,255,655,000This ZIP$1,255,655,000 |
Land area
| Land area | 14.93 sq miThis ZIP14.93 sq mi |
|---|---|
| Water area | 0.11 sq miThis ZIP0.11 sq mi |
Counties 61107 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 | 94.3% |
| Boone County | 5.7% |
Other place names in 61107
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 61107
| ZIP | City | Distance |
|---|---|---|
61114 | Rockford, IL | 1.6 mi |
61108 | Rockford, IL | 2.1 mi |
61112 | Rockford, IL | 3.3 mi |
61111 | Loves Park, IL | 3.5 mi |
61104 | Rockford, IL | 4.6 mi |
61105 | Rockford, IL | 4.8 mi |
61115 | Machesney Park, IL | 5.5 mi |
61103 | Rockford, IL | 5.8 mi |
61016 | Cherry Valley, IL | 6.7 mi |
61109 | Rockford, IL | 7.1 mi |
Find every ZIP code within 10 miles of 61107 →
Questions about this ZIP code
Where is ZIP code 61107?
61107 is in Rockford, Illinois, in Winnebago County, part of the Rockford, IL metropolitan area. Its published point location is 42.2855, -89.0016.
What county is 61107 in?
61107 spans 2 counties: Winnebago County and Boone 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 61107?
Rockford uses area codes 815 and 779, from NANPA's telephone records.
What time zone is 61107 in?
61107 uses America/Chicago.
How many people live in 61107?
About 30,765 people live in ZIP code 61107, in 12,883 households, at 2,061.0 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 61107?
$78,574 a year, against $83,390 across Illinois.
What ZIP codes are near 61107?
The closest are 61114 (1.6 mi), 61108 (2.1 mi), 61112 (3.3 mi), 61111 (3.5 mi) and 61104 (4.6 mi).
Is 61107 a PO Box ZIP code?
61107 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “61107 ZIP Code — Rockford, Illinois (Winnebago County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61107
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/61107.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.