15531
ZIP 15531 is Boswell, Pennsylvania, mostly in Somerset County; area codes 814 and 582; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Somerset +1 more
- Metro area
- Somerset, PA
- Population
- 3,603
- Coordinates
- 40.1839, -79.0821
Weather right now
Asking the National Weather Service…
Where 15531 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 15531 into a pocket calculator and turn it upside down: IESSI — not quite a word, sorry.
- ➕ As a number, 15,531 = 3 × 31 × 167. Its digits add up to 15, a total 1,657 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11110010101011 - 🏠 Its numerical neighbours: 15530 (Berlin, PA, 19 mi away) and 15532 (Boynton, PA, 29 mi away).
- 🔄 Backwards, 15531 becomes 13551, which is not a ZIP code at all.
- 👥 18 other ZIP codes are made of exactly the same digits (11355, 11553, 13155, 15135, 15315, 15351, …). The farthest-flung twin is 51351 in Milford, IA, 856 miles away.
- 🧭 Farther north than 58% of all ZIP codes, and farther east than 76%.
- 🎯1,030 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 15531 and you would come out at 40.18°S, 100.92°E — 1,008 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 02m of daylight. Shortest: 9h 18m.
- 📏 At 60.9 square miles of land, 15531 is bigger than 65% of ZIP codes — room for about 46 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 3,603This ZIP3,603 |
|---|---|
| Households | 1,620This ZIP1,620 |
| Housing units | 1,864This ZIP1,864 |
| Median age | 49.1This ZIP49.1Pennsylvania40.9US 38.9 |
| Median household income | $60,855This ZIP$60,855Pennsylvania$77,971US $80,734 |
| Median home value | $137,500This ZIP$137,500Pennsylvania$254,500US $332,700 |
| Median gross rent | $643This ZIP$643Pennsylvania$1,209US $1,413 |
| Bachelor's degree or higher | 18.4%This ZIP18.4% |
| Mean commute | 30.0 minThis ZIP30.0 min |
| Population density | 59.1 / sq miThis ZIP59.1 / sq mi |
Business and tax activity
| Business establishments | 68This ZIP68 |
|---|---|
| Employees | 523This ZIP523 |
| Annual payroll | $24,362,000This ZIP$24,362,000 |
| Tax returns filed | 1,700This ZIP1,700 |
| Total adjusted gross income | $97,985,000This ZIP$97,985,000 |
Land area
| Land area | 60.93 sq miThis ZIP60.93 sq mi |
|---|---|
| Water area | 0.19 sq miThis ZIP0.19 sq mi |
Counties 15531 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Somerset County | 87.4% |
| Westmoreland County | 12.6% |
Other place names in 15531
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 15531
| ZIP | City | Distance |
|---|---|---|
15547 | Jennerstown, PA | 1.6 mi |
15544 | Gray, PA | 3.6 mi |
15546 | Jenners, PA | 3.7 mi |
15655 | Laughlintown, PA | 5.1 mi |
15520 | Acosta, PA | 5.5 mi |
15937 | Jerome, PA | 5.7 mi |
15555 | Quecreek, PA | 6.0 mi |
15935 | Hollsopple, PA | 6.1 mi |
15561 | Sipesville, PA | 6.2 mi |
15677 | Rector, PA | 8.2 mi |
Find every ZIP code within 10 miles of 15531 →
Questions about this ZIP code
Where is ZIP code 15531?
15531 is in Boswell, Pennsylvania, in Somerset County, part of the Somerset, PA micropolitan area. Its published point location is 40.1839, -79.0821.
What county is 15531 in?
15531 spans 2 counties: Somerset County and Westmoreland County. Most of it falls in Somerset 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 15531?
Boswell uses area codes 814 and 582, from NANPA's telephone records.
What time zone is 15531 in?
15531 uses America/New_York.
How many people live in 15531?
About 3,603 people live in ZIP code 15531, in 1,620 households, at 59.1 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 15531?
$60,855 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 15531?
The closest are 15547 (1.6 mi), 15544 (3.6 mi), 15546 (3.7 mi), 15655 (5.1 mi) and 15520 (5.5 mi).
Is 15531 a PO Box ZIP code?
15531 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “15531 ZIP Code — Boswell, Pennsylvania (Somerset County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/15531
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/15531.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.