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Where 62305 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 62305 into a pocket calculator and turn it upside down: SOEZg — not quite a word, sorry.
- ➕ As a number, 62,305 = 5 × 17 × 733. Its digits add up to 16, a total 1,922 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1111001101100001 - 🏠 Its numerical neighbours: 62301 (Quincy, IL, 2 mi away) and 62306 (Quincy, IL, 4 mi away).
- 🔄 Backwards, 62305 becomes 50326, which is not a ZIP code at all.
- 👥 70 other ZIP codes are made of exactly the same digits (02356, 02536, 02563, 02635, 02653, 03256, …). The farthest-flung twin is 02653 in Orleans, MA, 1,121 miles away.
- 🧭 Farther north than 56% of all ZIP codes, and farther west than 60%.
- 🎯384 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 62305 and you would come out at 39.93°S, 88.66°E — 1,111 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 00m of daylight. Shortest: 9h 20m.
- 📏 At 139.3 square miles of land, 62305 is bigger than 85% of ZIP codes — room for about 106 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 19,036This ZIP19,036 |
|---|---|
| Households | 7,990This ZIP7,990 |
| Housing units | 8,405This ZIP8,405 |
| Median age | 46.4This ZIP46.4Illinois39.0US 38.9 |
| Median household income | $83,598This ZIP$83,598Illinois$83,390US $80,734 |
| Median home value | $213,600This ZIP$213,600Illinois$263,300US $332,700 |
| Median gross rent | $926This ZIP$926Illinois$1,274US $1,413 |
| Bachelor's degree or higher | 35.0%This ZIP35.0% |
| Mean commute | 15.1 minThis ZIP15.1 min |
| Population density | 136.7 / sq miThis ZIP136.7 / sq mi |
Business and tax activity
| Business establishments | 477This ZIP477 |
|---|---|
| Employees | 9,070This ZIP9,070 |
| Annual payroll | $497,120,000This ZIP$497,120,000 |
| Tax returns filed | 9,410This ZIP9,410 |
| Total adjusted gross income | $932,552,000This ZIP$932,552,000 |
Land area
| Land area | 139.25 sq miThis ZIP139.25 sq mi |
|---|---|
| Water area | 8.09 sq miThis ZIP8.09 sq mi |
Other place names in 62305
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 62305
| ZIP | City | Distance |
|---|---|---|
62301 | Quincy, IL | 2.4 mi |
62306 | Quincy, IL | 3.5 mi |
62338 | Fowler, IL | 7.5 mi |
63471 | Taylor, MO | 8.1 mi |
62360 | Payson, IL | 8.8 mi |
62359 | Paloma, IL | 10.3 mi |
63448 | La Grange, MO | 12.1 mi |
62325 | Coatsburg, IL | 12.6 mi |
62365 | Plainville, IL | 13.1 mi |
62376 | Ursa, IL | 13.2 mi |
Find every ZIP code within 10 miles of 62305 →
Questions about this ZIP code
Where is ZIP code 62305?
62305 is in Quincy, Illinois, in Adams County, part of the Quincy, IL-MO micropolitan area. Its published point location is 39.9282, -91.3439.
What county is 62305 in?
62305 lies in Adams County.
What area code is 62305?
Quincy uses area codes 217 and 447, from NANPA's telephone records.
What time zone is 62305 in?
62305 uses America/Chicago.
How many people live in 62305?
About 19,036 people live in ZIP code 62305, in 7,990 households, at 136.7 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 62305?
$83,598 a year, against $83,390 across Illinois.
What ZIP codes are near 62305?
The closest are 62301 (2.4 mi), 62306 (3.5 mi), 62338 (7.5 mi), 63471 (8.1 mi) and 62360 (8.8 mi).
Is 62305 a PO Box ZIP code?
62305 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “62305 ZIP Code — Quincy, Illinois (Adams County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/62305
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/62305.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.