61840
ZIP 61840 is Dewey, Illinois, in Champaign County; area codes 217 and 447; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Champaign
- Metro area
- Champaign-Urbana, IL
- Population
- 612
- Coordinates
- 40.2989, -88.3003
Weather right now
Asking the National Weather Service…
Where 61840 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 61840 into a pocket calculator and turn it upside down: OhBIg — not quite a word, sorry.
- ➕ As a number, 61,840 = 2 × 2 × 2 × 2 × 5 × 773. Its digits add up to 19, a total 2,454 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1111000110010000 - 🏠 Its numerical neighbours: 61839 (De Land, IL, 21 mi away) and 61841 (Fairmount, IL, 31 mi away).
- 🔄 Backwards, 61840 becomes 04816, 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, 1,430 miles away.
- 🧭 Farther north than 59% of all ZIP codes, and farther west than 51%.
- 🎯544 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 61840 and you would come out at 40.30°S, 91.70°E — 1,218 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 18m.
- 📏 At 31.1 square miles of land, 61840 is bigger than 47% of ZIP codes — room for about 24 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 612This ZIP612 |
|---|---|
| Households | 234This ZIP234 |
| Housing units | 258This ZIP258 |
| Median age | 58.9This ZIP58.9Illinois39.0US 38.9 |
| Median household income | $84,891This ZIP$84,891Illinois$83,390US $80,734 |
| Median home value | $272,600This ZIP$272,600Illinois$263,300US $332,700 |
| Bachelor's degree or higher | 32.9%This ZIP32.9% |
| Mean commute | 28.8 minThis ZIP28.8 min |
| Population density | 19.7 / sq miThis ZIP19.7 / sq mi |
Business and tax activity
| Business establishments | 14This ZIP14 |
|---|---|
| Employees | 94This ZIP94 |
| Annual payroll | $4,391,000This ZIP$4,391,000 |
| Tax returns filed | 400This ZIP400 |
| Total adjusted gross income | $42,564,000This ZIP$42,564,000 |
Land area
| Land area | 31.09 sq miThis ZIP31.09 sq mi |
|---|---|
| Water area | 0.12 sq miThis ZIP0.12 sq mi |
Other place names in 61840
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 61840
| ZIP | City | Distance |
|---|---|---|
61843 | Fisher, IL | 4.1 mi |
61845 | Foosland, IL | 7.2 mi |
61866 | Rantoul, IL | 7.5 mi |
61853 | Mahomet, IL | 8.0 mi |
61878 | Thomasboro, IL | 9.0 mi |
60933 | Elliott, IL | 11.4 mi |
61822 | Champaign, IL | 11.4 mi |
60949 | Ludlow, IL | 11.7 mi |
60936 | Gibson City, IL | 11.9 mi |
61724 | Bellflower, IL | 12.1 mi |
Find every ZIP code within 10 miles of 61840 →
Questions about this ZIP code
Where is ZIP code 61840?
61840 is in Dewey, Illinois, in Champaign County, part of the Champaign-Urbana, IL metropolitan area. Its published point location is 40.2989, -88.3003.
What county is 61840 in?
61840 lies in Champaign County.
What area code is 61840?
Dewey uses area codes 217 and 447, from NANPA's telephone records.
What time zone is 61840 in?
61840 uses America/Chicago.
How many people live in 61840?
About 612 people live in ZIP code 61840, in 234 households, at 19.7 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 61840?
$84,891 a year, against $83,390 across Illinois.
What ZIP codes are near 61840?
The closest are 61843 (4.1 mi), 61845 (7.2 mi), 61866 (7.5 mi), 61853 (8 mi) and 61878 (9 mi).
Is 61840 a PO Box ZIP code?
61840 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “61840 ZIP Code — Dewey, Illinois (Champaign County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61840
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/61840.json Underlying data is public domain or openly licensed — sources, vintages and licences.