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Where 61310 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 61310 into a pocket calculator and turn it upside down: OIEIg — not quite a word, sorry.
- ➕ As a number, 61,310 = 2 × 5 × 6131. Its digits add up to 11, a total 714 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110111101111110 - 🏠 Its numerical neighbours: 61301 (La Salle, IL, 25 mi away) and 61311 (Ancona, IL, 52 mi away).
- 🔄 Backwards, 61310 becomes 01316, which is not a ZIP code at all.
- 👥 28 other ZIP codes are made of exactly the same digits (01613, 06131, 10163, 11360, 13061, 13160, …). The farthest-flung twin is 01613 in Worcester, MA, 901 miles away.
- 🧭 Farther north than 73% of all ZIP codes, and farther west than 54%.
- 🎯500 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 61310 and you would come out at 41.70°S, 90.65°E — 1,116 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 12m of daylight. Shortest: 9h 09m.
- 📏 At 108.6 square miles of land, 61310 is bigger than 80% of ZIP codes — room for about 82 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 3,347This ZIP3,347 |
|---|---|
| Households | 1,451This ZIP1,451 |
| Housing units | 1,631This ZIP1,631 |
| Median age | 50.4This ZIP50.4Illinois39.0US 38.9 |
| Median household income | $69,756This ZIP$69,756Illinois$83,390US $80,734 |
| Median home value | $165,800This ZIP$165,800Illinois$263,300US $332,700 |
| Median gross rent | $847This ZIP$847Illinois$1,274US $1,413 |
| Bachelor's degree or higher | 10.8%This ZIP10.8% |
| Mean commute | 28.7 minThis ZIP28.7 min |
| Population density | 30.8 / sq miThis ZIP30.8 / sq mi |
Business and tax activity
| Business establishments | 67This ZIP67 |
|---|---|
| Employees | 561This ZIP561 |
| Annual payroll | $38,357,000This ZIP$38,357,000 |
| Tax returns filed | 1,810This ZIP1,810 |
| Total adjusted gross income | $125,524,000This ZIP$125,524,000 |
Land area
| Land area | 108.63 sq miThis ZIP108.63 sq mi |
|---|---|
| Water area | 0.54 sq miThis ZIP0.54 sq mi |
Other place names in 61310
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 61310
| ZIP | City | Distance |
|---|---|---|
61331 | Lee Center, IL | 5.1 mi |
61324 | Eldena, IL | 5.6 mi |
61367 | Sublette, IL | 7.4 mi |
61031 | Franklin Grove, IL | 9.0 mi |
61057 | Nachusa, IL | 9.2 mi |
61378 | West Brooklyn, IL | 10.4 mi |
61042 | Harmon, IL | 10.6 mi |
61374 | Van Orin, IL | 10.7 mi |
61021 | Dixon, IL | 10.8 mi |
61349 | Ohio, IL | 11.4 mi |
Find every ZIP code within 10 miles of 61310 →
Questions about this ZIP code
Where is ZIP code 61310?
61310 is in Amboy, Illinois, in Lee County, part of the Dixon, IL micropolitan area. Its published point location is 41.7024, -89.3545.
What county is 61310 in?
61310 lies in Lee County.
What area code is 61310?
Amboy uses area code 815, from NANPA's telephone records.
What time zone is 61310 in?
61310 uses America/Chicago.
How many people live in 61310?
About 3,347 people live in ZIP code 61310, in 1,451 households, at 30.8 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 61310?
$69,756 a year, against $83,390 across Illinois.
What ZIP codes are near 61310?
The closest are 61331 (5.1 mi), 61324 (5.6 mi), 61367 (7.4 mi), 61031 (9 mi) and 61057 (9.2 mi).
Is 61310 a PO Box ZIP code?
61310 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “61310 ZIP Code — Amboy, Illinois (Lee County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61310
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/61310.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.