61084
ZIP 61084 is Stillman Valley, Illinois, mostly in Ogle County; area code 815; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Ogle +1 more
- Metro area
- Rochelle, IL
- Population
- 3,201
- Coordinates
- 42.1236, -89.1901
Weather right now
Asking the National Weather Service…
Where 61084 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 61084 into a pocket calculator and turn it upside down: hBOIg — not quite a word, sorry.
- ➕ As a number, 61,084 = 2 × 2 × 15271. Its digits add up to 19, a total 2,454 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110111010011100 - 🏠 Its numerical neighbours: 61081 (Sterling, IL, 34 mi away) and 61085 (Stockton, IL, 46 mi away).
- 🔄 Backwards, 61084 becomes 48016, which is not a ZIP code at all.
- 👥 59 other ZIP codes are made of exactly the same digits (01468, 01864, 04681, 04861, 06418, 06481, …). The farthest-flung twin is 86401 in Kingman, AZ, 1,405 miles away.
- 🧭 Farther north than 76% of all ZIP codes, and farther west than 54%.
- 🎯515 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 61084 and you would come out at 42.12°S, 90.81°E — 1,107 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 15m of daylight. Shortest: 9h 06m.
- 📏 At 34.8 square miles of land, 61084 is bigger than 49% of ZIP codes — room for about 26 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 3,201This ZIP3,201 |
|---|---|
| Households | 1,246This ZIP1,246 |
| Housing units | 1,368This ZIP1,368 |
| Median age | 48.1This ZIP48.1Illinois39.0US 38.9 |
| Median household income | $102,817This ZIP$102,817Illinois$83,390US $80,734 |
| Median home value | $214,100This ZIP$214,100Illinois$263,300US $332,700 |
| Median gross rent | $850This ZIP$850Illinois$1,274US $1,413 |
| Bachelor's degree or higher | 35.5%This ZIP35.5% |
| Mean commute | 26.3 minThis ZIP26.3 min |
| Population density | 92.0 / sq miThis ZIP92.0 / sq mi |
Business and tax activity
| Business establishments | 48This ZIP48 |
|---|---|
| Employees | 236This ZIP236 |
| Annual payroll | $7,989,000This ZIP$7,989,000 |
| Tax returns filed | 1,500This ZIP1,500 |
| Total adjusted gross income | $146,373,000This ZIP$146,373,000 |
Land area
| Land area | 34.78 sq miThis ZIP34.78 sq mi |
|---|---|
| Water area | 0.38 sq miThis ZIP0.38 sq mi |
Counties 61084 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Ogle County | 93.0% |
| Winnebago County | 7.0% |
Other place names in 61084
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 61084
| ZIP | City | Distance |
|---|---|---|
61010 | Byron, IL | 4.3 mi |
61020 | Davis Junction, IL | 4.8 mi |
61043 | Holcomb, IL | 5.9 mi |
61102 | Rockford, IL | 7.4 mi |
61109 | Rockford, IL | 8.3 mi |
61015 | Chana, IL | 8.8 mi |
61052 | Monroe Center, IL | 9.8 mi |
61104 | Rockford, IL | 10.5 mi |
61049 | Lindenwood, IL | 10.6 mi |
61088 | Winnebago, IL | 10.7 mi |
Find every ZIP code within 10 miles of 61084 →
Questions about this ZIP code
Where is ZIP code 61084?
61084 is in Stillman Valley, Illinois, in Ogle County, part of the Rochelle, IL micropolitan area. Its published point location is 42.1236, -89.1901.
What county is 61084 in?
61084 spans 2 counties: Ogle County and Winnebago County. Most of it falls in Ogle 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 61084?
Stillman Valley uses area code 815, from NANPA's telephone records.
What time zone is 61084 in?
61084 uses America/Chicago.
How many people live in 61084?
About 3,201 people live in ZIP code 61084, in 1,246 households, at 92.0 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 61084?
$102,817 a year, against $83,390 across Illinois.
What ZIP codes are near 61084?
The closest are 61010 (4.3 mi), 61020 (4.8 mi), 61043 (5.9 mi), 61102 (7.4 mi) and 61109 (8.3 mi).
Is 61084 a PO Box ZIP code?
61084 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “61084 ZIP Code — Stillman Valley, Illinois (Ogle County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61084
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/61084.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.