16159
ZIP 16159 is West Middlesex, Pennsylvania, mostly in Mercer County; area code 724; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Mercer +1 more
- Metro area
- Hermitage, PA
- Population
- 4,455
- Coordinates
- 41.1534, -80.4753
Weather right now
Asking the National Weather Service…
Where 16159 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 16159 into a pocket calculator and turn it upside down: GSIgI — not quite a word, sorry.
- ➕ As a number, 16,159 = 11 × 13 × 113. Its digits add up to 22, a total 2,607 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11111100011111 - 🏠 Its numerical neighbours: 16157 (Wampum, PA, 20 mi away) and 16160 (West Pittsburg, PA, 17 mi away).
- 🔄 Backwards, 16159 becomes 95161 — and that is a real ZIP code: San Jose, CA, 2,209 miles away.
- 👥 22 other ZIP codes are made of exactly the same digits (11569, 11596, 11695, 11956, 11965, 15619, …). The farthest-flung twin is 96511 in FPO AA, a military post office, 6,821 miles away.
- 🧭 Farther north than 68% of all ZIP codes, and farther east than 72%.
- 🎯954 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 16159 and you would come out at 41.15°S, 99.52°E — 1,104 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 09m of daylight. Shortest: 9h 12m.
- 📏 At 28.1 square miles of land, 16159 is bigger than 44% of ZIP codes — room for about 21 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 4,455This ZIP4,455 |
|---|---|
| Households | 1,993This ZIP1,993 |
| Housing units | 2,191This ZIP2,191 |
| Median age | 53.1This ZIP53.1Pennsylvania40.9US 38.9 |
| Median household income | $69,391This ZIP$69,391Pennsylvania$77,971US $80,734 |
| Median home value | $178,000This ZIP$178,000Pennsylvania$254,500US $332,700 |
| Median gross rent | $880This ZIP$880Pennsylvania$1,209US $1,413 |
| Bachelor's degree or higher | 24.2%This ZIP24.2% |
| Mean commute | 18.9 minThis ZIP18.9 min |
| Population density | 158.7 / sq miThis ZIP158.7 / sq mi |
Business and tax activity
| Business establishments | 106This ZIP106 |
|---|---|
| Employees | 1,766This ZIP1,766 |
| Annual payroll | $115,301,000This ZIP$115,301,000 |
| Tax returns filed | 2,200This ZIP2,200 |
| Total adjusted gross income | $146,015,000This ZIP$146,015,000 |
Land area
| Land area | 28.07 sq miThis ZIP28.07 sq mi |
|---|---|
| Water area | 0.08 sq miThis ZIP0.08 sq mi |
Counties 16159 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Mercer County | 89.5% |
| Lawrence County | 10.5% |
Other place names in 16159
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 16159
| ZIP | City | Distance |
|---|---|---|
16161 | Wheatland, PA | 3.5 mi |
16143 | Pulaski, PA | 3.5 mi |
16121 | Farrell, PA | 4.1 mi |
16140 | New Bedford, PA | 4.5 mi |
44425 | Hubbard, OH | 5.5 mi |
16146 | Sharon, PA | 5.8 mi |
16148 | Hermitage, PA | 6.0 mi |
16155 | Villa Maria, PA | 6.2 mi |
44438 | Masury, OH | 6.6 mi |
44436 | Lowellville, OH | 7.2 mi |
Find every ZIP code within 10 miles of 16159 →
Questions about this ZIP code
Where is ZIP code 16159?
16159 is in West Middlesex, Pennsylvania, in Mercer County, part of the Hermitage, PA micropolitan area. Its published point location is 41.1534, -80.4753.
What county is 16159 in?
16159 spans 2 counties: Mercer County and Lawrence County. Most of it falls in Mercer 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 16159?
West Middlesex uses area code 724, from NANPA's telephone records.
What time zone is 16159 in?
16159 uses America/New_York.
How many people live in 16159?
About 4,455 people live in ZIP code 16159, in 1,993 households, at 158.7 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 16159?
$69,391 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 16159?
The closest are 16161 (3.5 mi), 16143 (3.5 mi), 16121 (4.1 mi), 16140 (4.5 mi) and 44425 (5.5 mi).
Is 16159 a PO Box ZIP code?
16159 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “16159 ZIP Code — West Middlesex, Pennsylvania (Mercer County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/16159
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/16159.json Underlying data is public domain or openly licensed — sources, vintages and licences.