15101
ZIP 15101 is Allison Park, Pennsylvania, in Allegheny County; area codes 724 and 878; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Allegheny
- Metro area
- Pittsburgh, PA
- Population
- 26,036
- Coordinates
- 40.5803, -79.9552
Weather right now
Asking the National Weather Service…
Where 15101 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 15101 into a pocket calculator and turn it upside down: IOISI — not quite a word, sorry.
- ➕ 15101 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 8, a total 251 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11101011111101 - 🏠 Its numerical neighbours: 15096 (Warrendale, PA, 8 mi away) and 15102 (Bethel Park, PA, 18 mi away).
- 🔄 Backwards, 15101 becomes 10151 — and that is a real ZIP code: New York, NY, 314 miles away.
- 👥 13 other ZIP codes are made of exactly the same digits (01115, 01151, 10115, 10151, 10511, 11051, …). The farthest-flung twin is 51011 in Chatsworth, IA, 867 miles away.
- 🧭 Farther north than 62% of all ZIP codes, and farther east than 74%.
- 🎯982 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 15101 and you would come out at 40.58°S, 100.04°E — 1,061 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 05m of daylight. Shortest: 9h 16m.
- 📏 At 21.5 square miles of land, 15101 is bigger than 39% of ZIP codes — room for about 16 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 26,036This ZIP26,036 |
|---|---|
| Households | 10,654This ZIP10,654 |
| Housing units | 11,131This ZIP11,131 |
| Median age | 43.7This ZIP43.7Pennsylvania40.9US 38.9 |
| Median household income | $114,634This ZIP$114,634Pennsylvania$77,971US $80,734 |
| Median home value | $334,500This ZIP$334,500Pennsylvania$254,500US $332,700 |
| Median gross rent | $1,277This ZIP$1,277Pennsylvania$1,209US $1,413 |
| Bachelor's degree or higher | 60.1%This ZIP60.1% |
| Mean commute | 26.9 minThis ZIP26.9 min |
| Population density | 1,212.6 / sq miThis ZIP1,212.6 / sq mi |
Business and tax activity
| Business establishments | 498This ZIP498 |
|---|---|
| Employees | 5,012This ZIP5,012 |
| Annual payroll | $236,071,000This ZIP$236,071,000 |
| Tax returns filed | 13,040This ZIP13,040 |
| Total adjusted gross income | $1,549,377,000This ZIP$1,549,377,000 |
Land area
| Land area | 21.47 sq miThis ZIP21.47 sq mi |
|---|---|
| Water area | 0.10 sq miThis ZIP0.10 sq mi |
Other place names in 15101
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 15101
| ZIP | City | Distance |
|---|---|---|
15091 | Wildwood, PA | 1.2 mi |
15116 | Glenshaw, PA | 3.9 mi |
15044 | Gibsonia, PA | 4.0 mi |
15238 | Pittsburgh, PA | 4.9 mi |
15051 | Indianola, PA | 5.0 mi |
15007 | Bakerstown, PA | 5.1 mi |
15237 | Pittsburgh, PA | 5.3 mi |
15223 | Pittsburgh, PA | 5.3 mi |
15006 | Bairdford, PA | 5.5 mi |
15127 | Ingomar, PA | 5.5 mi |
Find every ZIP code within 10 miles of 15101 →
Questions about this ZIP code
Where is ZIP code 15101?
15101 is in Allison Park, Pennsylvania, in Allegheny County, part of the Pittsburgh, PA metropolitan area. Its published point location is 40.5803, -79.9552.
What county is 15101 in?
15101 lies in Allegheny County.
What area code is 15101?
Allison Park uses area codes 724 and 878, from NANPA's telephone records.
What time zone is 15101 in?
15101 uses America/New_York.
How many people live in 15101?
About 26,036 people live in ZIP code 15101, in 10,654 households, at 1,212.6 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 15101?
$114,634 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 15101?
The closest are 15091 (1.2 mi), 15116 (3.9 mi), 15044 (4 mi), 15238 (4.9 mi) and 15051 (5 mi).
Is 15101 a PO Box ZIP code?
15101 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “15101 ZIP Code — Allison Park, Pennsylvania (Allegheny County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/15101
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/15101.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.