62351
ZIP 62351 is Mendon, Illinois, mostly in Adams County; area code 217; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Adams +1 more
- Metro area
- Quincy, IL-MO
- Population
- 1,928
- Coordinates
- 40.1136, -91.2689
Weather right now
Asking the National Weather Service…
Where 62351 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 62351 into a pocket calculator and turn it upside down: ISEZg — not quite a word, sorry.
- ➕ 62351 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 17, a total 2,133 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1111001110001111 - 🏠 Its numerical neighbours: 62349 (Loraine, IL, 6 mi away) and 62352 (Milton, IL, 50 mi away).
- 🔄 Backwards, 62351 becomes 15326, which is not a ZIP code at all.
- 👥 55 other ZIP codes are made of exactly the same digits (12563, 13625, 13652, 15236, 15362, 15623, …). The farthest-flung twin is 12563 in Patterson, NY, 928 miles away.
- 🧭 Farther north than 58% of all ZIP codes, and farther west than 59%.
- 🎯387 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 62351 and you would come out at 40.11°S, 88.73°E — 1,106 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 02m of daylight. Shortest: 9h 19m.
- 📏 At 72.8 square miles of land, 62351 is bigger than 70% of ZIP codes — room for about 55 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,928This ZIP1,928 |
|---|---|
| Households | 759This ZIP759 |
| Housing units | 823This ZIP823 |
| Median age | 39.9This ZIP39.9Illinois39.0US 38.9 |
| Median household income | $77,298This ZIP$77,298Illinois$83,390US $80,734 |
| Median home value | $147,800This ZIP$147,800Illinois$263,300US $332,700 |
| Median gross rent | $667This ZIP$667Illinois$1,274US $1,413 |
| Bachelor's degree or higher | 20.4%This ZIP20.4% |
| Mean commute | 24.9 minThis ZIP24.9 min |
| Population density | 26.5 / sq miThis ZIP26.5 / sq mi |
Business and tax activity
| Business establishments | 35This ZIP35 |
|---|---|
| Employees | 204This ZIP204 |
| Annual payroll | $9,202,000This ZIP$9,202,000 |
| Tax returns filed | 880This ZIP880 |
| Total adjusted gross income | $61,147,000This ZIP$61,147,000 |
Land area
| Land area | 72.84 sq miThis ZIP72.84 sq mi |
|---|---|
| Water area | 0.34 sq miThis ZIP0.34 sq mi |
Counties 62351 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Adams County | 95.1% |
| Hancock County | 4.9% |
Other place names in 62351
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 62351
| ZIP | City | Distance |
|---|---|---|
62349 | Loraine, IL | 5.7 mi |
62359 | Paloma, IL | 6.1 mi |
62376 | Ursa, IL | 7.3 mi |
62325 | Coatsburg, IL | 7.3 mi |
62348 | Lima, IL | 7.5 mi |
62338 | Fowler, IL | 8.1 mi |
62380 | West Point, IL | 9.5 mi |
62373 | Sutter, IL | 10.3 mi |
62320 | Camp Point, IL | 11.4 mi |
62339 | Golden, IL | 12.2 mi |
Find every ZIP code within 10 miles of 62351 →
Questions about this ZIP code
Where is ZIP code 62351?
62351 is in Mendon, Illinois, in Adams County, part of the Quincy, IL-MO micropolitan area. Its published point location is 40.1136, -91.2689.
What county is 62351 in?
62351 spans 2 counties: Adams County and Hancock County. Most of it falls in Adams 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 62351?
Mendon uses area code 217, from NANPA's telephone records.
What time zone is 62351 in?
62351 uses America/Chicago.
How many people live in 62351?
About 1,928 people live in ZIP code 62351, in 759 households, at 26.5 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 62351?
$77,298 a year, against $83,390 across Illinois.
What ZIP codes are near 62351?
The closest are 62349 (5.7 mi), 62359 (6.1 mi), 62376 (7.3 mi), 62325 (7.3 mi) and 62348 (7.5 mi).
Is 62351 a PO Box ZIP code?
62351 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “62351 ZIP Code — Mendon, Illinois (Adams County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/62351
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/62351.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.