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 — CITY/PA/SMITHFIELD

Smithfield ZIP code, Pennsylvania

The ZIP code for Smithfield, PA is 15478, and its area codes are 724 and 878.

USPS city name
1 ZIP code
Population
1,050
Area codes
724, 878

Smithfield in numbers

About 1,050 people live in Smithfield, in 444 households. The median household income is $62,031 a year, 20% below the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $173,200 (32% below the Pennsylvania median), and median gross rent is $950 a month. The median age is 42.5; 23.2% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 31 minutes.

Population1,050Smithfield1,050
Households444Smithfield444
Median age42.5Smithfield42.5Pennsylvania40.9US 38.9
Median household income$62,031Smithfield$62,031Pennsylvania$77,971US $80,734
Median home value$173,200Smithfield$173,200Pennsylvania$254,500US $332,700
Median gross rent$950Smithfield$950Pennsylvania$1,209US $1,413
Bachelor's degree or higher23.2%Smithfield23.2%Pennsylvania35.2%US 35.7%
Mean commute31.2 minSmithfield31.2 minPennsylvania26.3 minUS 26.4 min
Population density1,466 / sq miSmithfield1,466 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Smithfield borough. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Smithfield

ZIP codes with the USPS city name Smithfield
ZIP City Type Population Median income Median home
15478 Smithfield , PA Standard 5,560 $67,449 $169,200

Map of Smithfield ZIP codes

15478

The ZIP codes of Smithfield, PA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Smithfield

The nearest larger towns are Fairchance (1,241 people, 3.3 mi), Masontown (3,201 people, 6.2 mi) and Leith-Hatfield (2,577 people, 6.6 mi).

Towns near Smithfield
TownPopulationDistance
Masontown 3,201 6.2 mi
Leith-Hatfield 2,577 6.6 mi
Uniontown 9,742 8.1 mi
Cheat Lake, WV 10,902 9.8 mi
Morgantown, WV 30,236 13.5 mi
Brookhaven, WV 6,212 14.1 mi
Westover, WV 4,026 15.1 mi
Centerville 3,235 17.8 mi
Connellsville 6,849 18.8 mi
California 4,864 19.1 mi
Waynesburg 3,811 21.1 mi
Charleroi 4,202 23.7 mi
Kingwood, WV 2,973 23.8 mi
Scottdale 4,363 23.8 mi

More nearby: every ZIP code in Fayette County · Pennsylvania ZIP codes

Cite this page

zipcodes.pro. “Smithfield, PA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/pa/smithfield

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