18331
ZIP 18331 is Gilbert, Pennsylvania, in Monroe County; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Monroe
- Metro area
- East Stroudsburg, PA
- Population
- 655
- Coordinates
- 40.9084, -75.4402
Weather right now
Asking the National Weather Service…
Where 18331 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 18331 into a pocket calculator and turn it upside down: IEEBI — not quite a word, sorry.
- ➕ As a number, 18,331 = 23 × 797. Its digits add up to 16, a total 1,922 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100011110011011 - 🏠 Its numerical neighbours: 18330 (Effort, PA, 4 mi away) and 18332 (Henryville, PA, 16 mi away).
- 🔄 Backwards, 18331 becomes 13381, which is not a ZIP code at all.
- 👥 14 other ZIP codes are made of exactly the same digits (13138, 13318, 13813, 31318, 31831, 33181, …). The farthest-flung twin is 83311 in Albion, ID, 1,954 miles away.
- 🧭 Farther north than 66% of all ZIP codes, and farther east than 86%.
- 🎯1,217 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 18331 and you would come out at 40.91°S, 104.56°E — 880 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 07m of daylight. Shortest: 9h 14m.
- 📏 At 2.6 square miles of land, 18331 is bigger than 13% of ZIP codes — room for about 2.0 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 655This ZIP655 |
|---|---|
| Households | 354This ZIP354 |
| Housing units | 366This ZIP366 |
| Median age | 64.8This ZIP64.8Pennsylvania40.9US 38.9 |
| Median home value | $281,900This ZIP$281,900Pennsylvania$254,500US $332,700 |
| Median gross rent | $1,257This ZIP$1,257Pennsylvania$1,209US $1,413 |
| Bachelor's degree or higher | 9.3%This ZIP9.3% |
| Mean commute | 42.2 minThis ZIP42.2 min |
| Population density | 249.3 / sq miThis ZIP249.3 / sq mi |
Business and tax activity
| Business establishments | 39This ZIP39 |
|---|---|
| Employees | 241This ZIP241 |
| Annual payroll | $8,609,000This ZIP$8,609,000 |
| Tax returns filed | 380This ZIP380 |
| Total adjusted gross income | $21,987,000This ZIP$21,987,000 |
Land area
| Land area | 2.63 sq miThis ZIP2.63 sq mi |
|---|---|
| Water area | 0.00 sq miThis ZIP0.00 sq mi |
ZIP codes near 18331
| ZIP | City | Distance |
|---|---|---|
18322 | Brodheadsville, PA | 2.5 mi |
18333 | Kresgeville, PA | 2.7 mi |
18058 | Kunkletown, PA | 3.1 mi |
18330 | Effort, PA | 3.8 mi |
18353 | Saylorsburg, PA | 4.4 mi |
18354 | Sciota, PA | 6.2 mi |
18071 | Palmerton, PA | 7.9 mi |
18038 | Danielsville, PA | 8.2 mi |
18091 | Wind Gap, PA | 8.3 mi |
18360 | Stroudsburg, PA | 8.9 mi |
Find every ZIP code within 10 miles of 18331 →
Questions about this ZIP code
Where is ZIP code 18331?
18331 is in Gilbert, Pennsylvania, in Monroe County, part of the East Stroudsburg, PA micropolitan area. Its published point location is 40.9084, -75.4402.
What county is 18331 in?
18331 lies in Monroe County.
What time zone is 18331 in?
18331 uses America/New_York.
How many people live in 18331?
About 655 people live in ZIP code 18331, in 354 households, at 249.3 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 18331?
The closest are 18322 (2.5 mi), 18333 (2.7 mi), 18058 (3.1 mi), 18330 (3.8 mi) and 18353 (4.4 mi).
Is 18331 a PO Box ZIP code?
18331 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “18331 ZIP Code — Gilbert, Pennsylvania (Monroe County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/18331
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/18331.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.