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zipcodes.pro — ZIP/15478

15478

ZIP 15478 is Smithfield, Pennsylvania, in Fayette County; area codes 724 and 878; Eastern time.

Type
Standard
Time zone
America/New_York
County
Fayette
Metro area
Pittsburgh, PA
Population
5,560
Coordinates
39.7875, -79.8047
☼ Live from 15478 — Smithfield, PA

Weather right now

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Local time: —

Where 15478 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 15478
  • 🔢 Type 15478 into a pocket calculator and turn it upside down: BLhSI — not quite a word, sorry.
  • ➕ As a number, 15,478 = 2 × 71 × 109. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11110001110110
  • 🏠 Its numerical neighbours: 15477 (Roscoe, PA, 20 mi away) and 15479 (Smithton, PA, 26 mi away).
  • 🔄 Backwards, 15478 becomes 87451, which is not a ZIP code at all.
  • 👥 41 other ZIP codes are made of exactly the same digits (14758, 14785, 14857, 15748, 15784, 15847, …). The farthest-flung twin is 85147 in Sacaton, AZ, 1,823 miles away.
  • 🧭 Farther north than 54% of all ZIP codes, and farther east than 75%.
  • 🎯995 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 15478 and you would come out at 39.79°S, 100.20°E — 1,028 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 00m of daylight. Shortest: 9h 21m.
  • 📏 At 62.2 square miles of land, 15478 is bigger than 66% of ZIP codes — room for about 47 Central Parks.
🌙 The sky over 15478 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population5,560This ZIP5,560
Households2,430This ZIP2,430
Housing units2,776This ZIP2,776
Median age48.0This ZIP48.0Pennsylvania40.9US 38.9
Median household income$67,449This ZIP$67,449Pennsylvania$77,971US $80,734
Median home value$169,200This ZIP$169,200Pennsylvania$254,500US $332,700
Median gross rent$849This ZIP$849Pennsylvania$1,209US $1,413
Bachelor's degree or higher17.4%This ZIP17.4%
Mean commute27.0 minThis ZIP27.0 min
Population density89.4 / sq miThis ZIP89.4 / sq mi

Business and tax activity

Business establishments95This ZIP95
Employees1,665This ZIP1,665
Annual payroll$89,424,000This ZIP$89,424,000
Tax returns filed2,630This ZIP2,630
Total adjusted gross income$162,683,000This ZIP$162,683,000

Land area

Land area62.18 sq miThis ZIP62.18 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 15478

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

ZIP codes near 15478

ZIPCityDistance
15439 Gans, PA 3.2 mi
15451 Lake Lynn, PA 3.9 mi
15436 Fairchance, PA 4.7 mi
15467 New Geneva, PA 5.0 mi
15460 Martin, PA 5.6 mi
15474 Point Marion, PA 5.7 mi
15454 Leckrone, PA 6.0 mi
15461 Masontown, PA 6.2 mi
15416 Brownfield, PA 6.6 mi
15458 Mc Clellandtown, PA 7.3 mi

Find every ZIP code within 10 miles of 15478 →

Questions about this ZIP code

Where is ZIP code 15478?

15478 is in Smithfield, Pennsylvania, in Fayette County, part of the Pittsburgh, PA metropolitan area. Its published point location is 39.7875, -79.8047.

What county is 15478 in?

15478 lies in Fayette County.

What area code is 15478?

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

What time zone is 15478 in?

15478 uses America/New_York.

How many people live in 15478?

About 5,560 people live in ZIP code 15478, in 2,430 households, at 89.4 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 15478?

$67,449 a year, against $77,971 across Pennsylvania.

What ZIP codes are near 15478?

The closest are 15439 (3.2 mi), 15451 (3.9 mi), 15436 (4.7 mi), 15467 (5 mi) and 15460 (5.6 mi).

Is 15478 a PO Box ZIP code?

15478 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “15478 ZIP Code — Smithfield, Pennsylvania (Fayette County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/15478

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