Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/16137

16137

ZIP 16137 is Mercer, Pennsylvania, in Mercer County; area code 724; Eastern time.

Type
Standard
Time zone
America/New_York
County
Mercer
Metro area
Hermitage, PA
Population
12,490
Coordinates
41.2315, -80.2399
☼ Live from 16137 — Mercer, PA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 16137 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.

★ Weird and wonderful facts about 16137
  • 🔢 Type 16137 into a pocket calculator and turn it upside down: LEIgI — not quite a word, sorry.
  • ➕ As a number, 16,137 = 3 × 3 × 11 × 163. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11111100001001
  • 🏠 Its numerical neighbours: 16136 (Koppel, PA, 28 mi away) and 16140 (New Bedford, PA, 17 mi away).
  • 🔄 Backwards, 16137 becomes 73161, which is not a ZIP code at all.
  • 👥 31 other ZIP codes are made of exactly the same digits (11367, 11763, 13167, 13617, 13671, 13761, …). The farthest-flung twin is 76311 in Sheppard Afb, TX, 1,116 miles away.
  • 🧭 Farther north than 69% of all ZIP codes, and farther east than 73%.
  • 🎯966 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 16137 and you would come out at 41.23°S, 99.76°E — 1,097 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 09m of daylight. Shortest: 9h 12m.
  • 📏 At 108.5 square miles of land, 16137 is bigger than 80% of ZIP codes — room for about 82 Central Parks.
🌙 The sky over 16137 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population12,490This ZIP12,490
Households4,539This ZIP4,539
Housing units5,029This ZIP5,029
Median age42.7This ZIP42.7Pennsylvania40.9US 38.9
Median household income$71,250This ZIP$71,250Pennsylvania$77,971US $80,734
Median home value$187,000This ZIP$187,000Pennsylvania$254,500US $332,700
Median gross rent$680This ZIP$680Pennsylvania$1,209US $1,413
Bachelor's degree or higher22.5%This ZIP22.5%
Mean commute23.8 minThis ZIP23.8 min
Population density115.1 / sq miThis ZIP115.1 / sq mi

Business and tax activity

Business establishments260This ZIP260
Employees2,879This ZIP2,879
Annual payroll$123,315,000This ZIP$123,315,000
Tax returns filed5,330This ZIP5,330
Total adjusted gross income$374,776,000This ZIP$374,776,000

Land area

Land area108.53 sq miThis ZIP108.53 sq mi
Water area0.58 sq miThis ZIP0.58 sq mi

Other place names in 16137

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 16137

ZIPCityDistance
16133 Jackson Center, PA 7.0 mi
16124 Fredonia, PA 7.2 mi
16142 New Wilmington, PA 8.2 mi
16172 New Wilmington, PA 9.2 mi
16148 Hermitage, PA 9.2 mi
16156 Volant, PA 9.2 mi
16127 Grove City, PA 9.6 mi
16153 Stoneboro, PA 10.1 mi
16113 Clark, PA 10.2 mi
16154 Transfer, PA 11.4 mi

Find every ZIP code within 10 miles of 16137 →

Questions about this ZIP code

Where is ZIP code 16137?

16137 is in Mercer, Pennsylvania, in Mercer County, part of the Hermitage, PA micropolitan area. Its published point location is 41.2315, -80.2399.

What county is 16137 in?

16137 lies in Mercer County.

What area code is 16137?

Mercer uses area code 724, from NANPA's telephone records.

What time zone is 16137 in?

16137 uses America/New_York.

How many people live in 16137?

About 12,490 people live in ZIP code 16137, in 4,539 households, at 115.1 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 16137?

$71,250 a year, against $77,971 across Pennsylvania.

What ZIP codes are near 16137?

The closest are 16133 (7 mi), 16124 (7.2 mi), 16142 (8.2 mi), 16172 (9.2 mi) and 16148 (9.2 mi).

Is 16137 a PO Box ZIP code?

16137 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “16137 ZIP Code — Mercer, Pennsylvania (Mercer County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/16137

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/16137.json

Underlying data is public domain or openly licensed — sources, vintages and licences.