Weather right now
Asking the National Weather Service…
Where 15781 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 15781 into a pocket calculator and turn it upside down: IBLSI — not quite a word, sorry.
- ➕ As a number, 15,781 = 43 × 367. Its digits add up to 22, a total 2,607 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11110110100101 - 🏠 Its numerical neighbours: 15780 (Valier, PA, 4 mi away) and 15783 (West Lebanon, PA, 31 mi away).
- 🔄 Backwards, 15781 becomes 18751, which is not a ZIP code at all.
- 👥 19 other ZIP codes are made of exactly the same digits (11758, 17518, 17581, 17815, 17851, 18517, …). The farthest-flung twin is 85711 in Tucson, AZ, 1,858 miles away.
- 🧭 Farther north than 66% of all ZIP codes, and farther east than 76%.
- 🎯1,032 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 15781 and you would come out at 40.96°S, 101.01°E — 1,031 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 07m of daylight. Shortest: 9h 13m.
- 📏 At 1.1 square miles of land, 15781 is bigger than 8% of ZIP codes — about 510 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 89This ZIP89 |
|---|---|
| Households | 40This ZIP40 |
| Housing units | 54This ZIP54 |
| Median age | 62.8This ZIP62.8Pennsylvania40.9US 38.9 |
| Median household income | $53,000This ZIP$53,000Pennsylvania$77,971US $80,734 |
| Bachelor's degree or higher | 9.6%This ZIP9.6% |
| Population density | 84.5 / sq miThis ZIP84.5 / sq mi |
Land area
| Land area | 1.05 sq miThis ZIP1.05 sq mi |
|---|---|
| Water area | 0.00 sq mi |
ZIP codes near 15781
| ZIP | City | Distance |
|---|---|---|
15767 | Punxsutawney, PA | 0.6 mi |
15733 | De Lancey, PA | 2.3 mi |
15764 | Oliveburg, PA | 3.0 mi |
15711 | Anita, PA | 4.1 mi |
15780 | Valier, PA | 4.2 mi |
15744 | Hamilton, PA | 5.4 mi |
15715 | Big Run, PA | 5.7 mi |
15730 | Coolspring, PA | 6.6 mi |
15776 | Sprankle Mills, PA | 7.3 mi |
15758 | Marchand, PA | 7.6 mi |
Find every ZIP code within 10 miles of 15781 →
Questions about this ZIP code
Where is ZIP code 15781?
15781 is in Walston, Pennsylvania, in Jefferson County. Its published point location is 40.9637, -78.9868.
What county is 15781 in?
15781 lies in Jefferson County.
What area code is 15781?
Walston uses area code 814, from NANPA's telephone records.
What time zone is 15781 in?
15781 uses America/New_York.
How many people live in 15781?
About 89 people live in ZIP code 15781, in 40 households, at 84.5 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 15781?
$53,000 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 15781?
The closest are 15767 (0.6 mi), 15733 (2.3 mi), 15764 (3 mi), 15711 (4.1 mi) and 15780 (4.2 mi).
Is 15781 a PO Box ZIP code?
15781 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “15781 ZIP Code — Walston, Pennsylvania (Jefferson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/15781
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/15781.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.