Farrell is a city in Mercer County, Pennsylvania, home to about 4,199 people across 2.3 square miles. Its ZIP code is 16121.
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| Nearest major airport | Pittsburgh International Airport (PIT)52 miles away |
|---|---|
| Nearest city of 250,000+ | Pittsburgh, PA60 miles away |
| Nearest city of 1 million+ | Philadelphia, PA293 miles away |
Straight-line distances from the center of Farrell; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Farrell had 4,258 residents in the 2020 census, down 30% since 2000.
It’s the 673rd largest of 2,568 towns in Pennsylvania by population.
Mercer County grew from 57,387 residents in 1900 to 110,652 in 2020.
Mercer County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 19°F. About 41.2 inches of rain and melted snow fall in a typical year, with about 68 inches of snow.
Source: NOAA 1991–2020 climate normals, Youngstown Rgnl Ap, OH weather station (10 miles away).
40,948 jobs at 2,611 businesses in Mercer County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
85 doctors and other health care providers list an office in Farrell.
Nearest hospitals
Providers with an office here
| Primary care doctors | 15 |
|---|---|
| Specialist doctors | 19 |
| Dentists | 5 |
| Nurse practitioners and physician assistants | 25 |
| Mental health providers | 14 |
| Physical and occupational therapists | 7 |
| Pharmacies | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Grocery stores (2 nearby)
Pharmacies
Libraries
Museums
Theaters and performance venues
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Farrell Area SD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Russell C. Phillips El SchFarrell | Pre-K–6 | 414 | Public | 0.5 mi |
| Farrell Area HS/UMSFarrell | 7–12 | 281 | Public | 0.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Crossroads Private Academic Boys SchoolFarrell | 5–12 | 31 | Nonsectarian | 0.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.