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Where 61423 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 61423 into a pocket calculator and turn it upside down: EZhIg — not quite a word, sorry.
- ➕ As a number, 61,423 = 239 × 257. Its digits add up to 16, a total 1,922 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110111111101111 - 🏠 Its numerical neighbours: 61422 (Bushnell, IL, 23 mi away) and 61424 (Camp Grove, IL, 47 mi away).
- 🔄 Backwards, 61423 becomes 32416, which is not a ZIP code at all.
- 👥 60 other ZIP codes are made of exactly the same digits (12436, 12463, 13426, 13624, 13642, 14263, …). The farthest-flung twin is 34216 in Anna Maria, FL, 1,023 miles away.
- 🧭 Farther north than 66% of all ZIP codes, and farther west than 58%.
- 🎯431 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 61423 and you would come out at 40.89°S, 89.50°E — 1,102 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 07m of daylight. Shortest: 9h 14m.
- 📏 At 43.0 square miles of land, 61423 is bigger than 55% of ZIP codes — room for about 33 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 638This ZIP638 |
|---|---|
| Households | 279This ZIP279 |
| Housing units | 306This ZIP306 |
| Median age | 50.1This ZIP50.1Illinois39.0US 38.9 |
| Median household income | $78,594This ZIP$78,594Illinois$83,390US $80,734 |
| Median home value | $123,500This ZIP$123,500Illinois$263,300US $332,700 |
| Bachelor's degree or higher | 7.5%This ZIP7.5% |
| Mean commute | 17.8 minThis ZIP17.8 min |
| Population density | 14.9 / sq miThis ZIP14.9 / sq mi |
Business and tax activity
| Business establishments | 6This ZIP6 |
|---|---|
| Employees | 31This ZIP31 |
| Annual payroll | $1,088,000This ZIP$1,088,000 |
| Tax returns filed | 280This ZIP280 |
| Total adjusted gross income | $21,397,000This ZIP$21,397,000 |
Land area
| Land area | 42.95 sq miThis ZIP42.95 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 61423
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 61423
| ZIP | City | Distance |
|---|---|---|
61402 | Galesburg, IL | 6.3 mi |
61401 | Galesburg, IL | 7.3 mi |
61410 | Abingdon, IL | 7.5 mi |
61462 | Monmouth, IL | 8.0 mi |
61417 | Berwick, IL | 8.1 mi |
61435 | Gerlaw, IL | 8.4 mi |
61430 | East Galesburg, IL | 10.7 mi |
61474 | Saint Augustine, IL | 11.4 mi |
61439 | Henderson, IL | 12.7 mi |
61447 | Kirkwood, IL | 13.7 mi |
Find every ZIP code within 10 miles of 61423 →
Questions about this ZIP code
Where is ZIP code 61423?
61423 is in Cameron, Illinois, in Warren County. Its published point location is 40.8855, -90.5023.
What county is 61423 in?
61423 lies in Warren County.
What area code is 61423?
Cameron uses area code 309, from NANPA's telephone records.
What time zone is 61423 in?
61423 uses America/Chicago.
How many people live in 61423?
About 638 people live in ZIP code 61423, in 279 households, at 14.9 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 61423?
$78,594 a year, against $83,390 across Illinois.
What ZIP codes are near 61423?
The closest are 61402 (6.3 mi), 61401 (7.3 mi), 61410 (7.5 mi), 61462 (8 mi) and 61417 (8.1 mi).
Is 61423 a PO Box ZIP code?
61423 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “61423 ZIP Code — Cameron, Illinois (Warren County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61423
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/61423.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.