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zipcodes.pro — ZIP/16121

16121

ZIP 16121 is Farrell, Pennsylvania, in Mercer County; area codes 724 and 878; Eastern time.

Type
Standard
Time zone
America/New_York
County
Mercer
Metro area
Hermitage, PA
Population
4,199
Coordinates
41.2111, -80.4973
☼ Live from 16121 — Farrell, PA

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Where 16121 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 16121
  • 🔢 Type 16121 into a pocket calculator and turn it upside down: IZIgI — not quite a word, sorry.
  • ➕ As a number, 16,121 = 7 × 7 × 7 × 47. Its digits add up to 11, a total 714 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11111011111001
  • 🏠 Its numerical neighbours: 16120 (Enon Valley, PA, 23 mi away) and 16123 (Fombell, PA, 31 mi away).
  • 🔄 Backwards, 16121 becomes 12161 — and that is a real ZIP code: South Bethlehem, NY, 354 miles away.
  • 👥 7 other ZIP codes are made of exactly the same digits (11216, 12116, 12161, 16112, 16211, 21161, …). The farthest-flung twin is 61112 in Rockford, IL, 443 miles away.
  • 🧭 Farther north than 68% of all ZIP codes, and farther east than 72%.
  • 🎯953 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 16121 and you would come out at 41.21°S, 99.50°E — 1,107 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 09m of daylight. Shortest: 9h 12m.
  • 📏 At 2.3 square miles of land, 16121 is bigger than 12% of ZIP codes — room for about 1.7 Central Parks.
🌙 The sky over 16121 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population4,199This ZIP4,199
Households2,079This ZIP2,079
Housing units2,209This ZIP2,209
Median age43.7This ZIP43.7Pennsylvania40.9US 38.9
Median household income$42,595This ZIP$42,595Pennsylvania$77,971US $80,734
Median home value$87,800This ZIP$87,800Pennsylvania$254,500US $332,700
Median gross rent$902This ZIP$902Pennsylvania$1,209US $1,413
Bachelor's degree or higher15.2%This ZIP15.2%
Mean commute15.3 minThis ZIP15.3 min
Population density1,844.9 / sq miThis ZIP1,844.9 / sq mi

Business and tax activity

Business establishments89This ZIP89
Employees1,992This ZIP1,992
Annual payroll$127,167,000This ZIP$127,167,000
Tax returns filed1,790This ZIP1,790
Total adjusted gross income$70,128,000This ZIP$70,128,000

Land area

Land area2.28 sq miThis ZIP2.28 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 16121

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

ZIP codes near 16121

ZIPCityDistance
16161 Wheatland, PA 0.7 mi
16146 Sharon, PA 1.6 mi
44438 Masury, OH 2.6 mi
16159 West Middlesex, PA 4.1 mi
16148 Hermitage, PA 4.3 mi
44403 Brookfield, OH 4.9 mi
44425 Hubbard, OH 5.1 mi
16150 Sharpsville, PA 5.5 mi
16113 Clark, PA 6.1 mi
16143 Pulaski, PA 7.7 mi

Find every ZIP code within 10 miles of 16121 →

Questions about this ZIP code

Where is ZIP code 16121?

16121 is in Farrell, Pennsylvania, in Mercer County, part of the Hermitage, PA micropolitan area. Its published point location is 41.2111, -80.4973.

What county is 16121 in?

16121 lies in Mercer County.

What area code is 16121?

Farrell uses area codes 724 and 878, from NANPA's telephone records.

What time zone is 16121 in?

16121 uses America/New_York.

How many people live in 16121?

About 4,199 people live in ZIP code 16121, in 2,079 households, at 1,844.9 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 16121?

$42,595 a year, against $77,971 across Pennsylvania.

What ZIP codes are near 16121?

The closest are 16161 (0.7 mi), 16146 (1.6 mi), 44438 (2.6 mi), 16159 (4.1 mi) and 16148 (4.3 mi).

Is 16121 a PO Box ZIP code?

16121 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “16121 ZIP Code — Farrell, Pennsylvania (Mercer County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/16121

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