15129
ZIP 15129 is South Park, Pennsylvania, mostly in Allegheny County; area codes 724 and 878; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Allegheny +1 more
- Metro area
- Pittsburgh, PA
- Population
- 10,789
- Coordinates
- 40.2935, -79.9952
Weather right now
Asking the National Weather Service…
Where 15129 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 15129 into a pocket calculator and turn it upside down: GZISI — not quite a word, sorry.
- ➕ As a number, 15,129 = 3 × 3 × 41 × 41. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11101100011001 - 🏠 Its numerical neighbours: 15127 (Ingomar, PA, 20 mi away) and 15131 (Mckeesport, PA, 11 mi away).
- 🔄 Backwards, 15129 becomes 92151, which is not a ZIP code at all.
- 👥 23 other ZIP codes are made of exactly the same digits (11952, 12159, 12195, 12915, 15219, 15921, …). The farthest-flung twin is 95112 in San Jose, CA, 2,243 miles away.
- 🧭 Farther north than 59% of all ZIP codes, and farther east than 74%.
- 🎯981 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 15129 and you would come out at 40.29°S, 100.00°E — 1,054 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 18m.
- 📏 At 7.7 square miles of land, 15129 is bigger than 24% of ZIP codes — room for about 5.9 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 10,789This ZIP10,789 |
|---|---|
| Households | 4,679This ZIP4,679 |
| Housing units | 4,916This ZIP4,916 |
| Median age | 43.8This ZIP43.8Pennsylvania40.9US 38.9 |
| Median household income | $99,519This ZIP$99,519Pennsylvania$77,971US $80,734 |
| Median home value | $252,000This ZIP$252,000Pennsylvania$254,500US $332,700 |
| Median gross rent | $1,427This ZIP$1,427Pennsylvania$1,209US $1,413 |
| Bachelor's degree or higher | 41.8%This ZIP41.8% |
| Mean commute | 29.3 minThis ZIP29.3 min |
| Population density | 1,393.0 / sq miThis ZIP1,393.0 / sq mi |
Business and tax activity
| Business establishments | 125This ZIP125 |
|---|---|
| Employees | 696This ZIP696 |
| Annual payroll | $28,263,000This ZIP$28,263,000 |
| Tax returns filed | 6,140This ZIP6,140 |
| Total adjusted gross income | $491,994,000This ZIP$491,994,000 |
Land area
| Land area | 7.75 sq miThis ZIP7.75 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Counties 15129 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Allegheny County | 98.0% |
| Washington County | 2.1% |
Other place names in 15129
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 15129
| ZIP | City | Distance |
|---|---|---|
15336 | Gastonville, PA | 2.3 mi |
15102 | Bethel Park, PA | 2.9 mi |
15332 | Finleyville, PA | 3.7 mi |
15236 | Pittsburgh, PA | 3.9 mi |
15367 | Venetia, PA | 3.9 mi |
15025 | Clairton, PA | 3.9 mi |
15038 | Elrama, PA | 4.7 mi |
15123 | West Mifflin, PA | 4.9 mi |
15020 | Bunola, PA | 5.2 mi |
15234 | Pittsburgh, PA | 5.3 mi |
Find every ZIP code within 10 miles of 15129 →
Questions about this ZIP code
Where is ZIP code 15129?
15129 is in South Park, Pennsylvania, in Allegheny County, part of the Pittsburgh, PA metropolitan area. Its published point location is 40.2935, -79.9952.
What county is 15129 in?
15129 spans 2 counties: Allegheny County and Washington County. Most of it falls in Allegheny 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 15129?
South Park uses area codes 724 and 878, from NANPA's telephone records.
What time zone is 15129 in?
15129 uses America/New_York.
How many people live in 15129?
About 10,789 people live in ZIP code 15129, in 4,679 households, at 1,393.0 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 15129?
$99,519 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 15129?
The closest are 15336 (2.3 mi), 15102 (2.9 mi), 15332 (3.7 mi), 15236 (3.9 mi) and 15367 (3.9 mi).
Is 15129 a PO Box ZIP code?
15129 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “15129 ZIP Code — South Park, Pennsylvania (Allegheny County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/15129
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/15129.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.