Mount Carmel Borough is a borough in Northumberland County, Pennsylvania, home to about 5,677 people across 0.7 square miles. Its ZIP code is 17851.
Homes sold for a median of $60 per square foot in the three months ending August 2026, a seller’s market.
Mostly Mount Carmel Borough; also Mount Carmel Township
Each card is that ZIP code’s whole market, including any part outside Mount Carmel Borough. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Mount Carmel Borough’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Philadelphia International Airport (PHL)89 miles away |
|---|---|
| Closer regional airport | Williamsport Regional Airport (IPT)40 miles away |
| Nearest city of 250,000+ | Philadelphia, PA87 miles away |
Straight-line distances from the center of Mount Carmel Borough; 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.
Mount Carmel Borough had 5,725 residents in the 2020 census, down 10% since 2000.
It’s the 500th largest of 2,568 towns in Pennsylvania by population.
Northumberland County grew from 90,911 residents in 1900 to 91,647 in 2020.
Northumberland County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 19°F. About 48.2 inches of rain and melted snow fall in a typical year, with about 34 inches of snow.
Source: NOAA 1991–2020 climate normals, Bear Gap, PA weather station (4 miles away).
23,047 jobs at 1,611 businesses in Northumberland County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
29 doctors and other health care providers list an office in Mount Carmel Borough.
Nearest hospitals
Providers with an office here
| Primary care doctors | 6 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 2 |
| Nurse practitioners and physician assistants | 6 |
| Mental health providers | 8 |
| Physical and occupational therapists | 4 |
| Chiropractors | 2 |
| 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.
Parks (1 nearby)
Grocery stores (1 nearby)
Pharmacies (2 nearby)
Libraries (1 nearby)
Museums
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 Mount Carmel Area SD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Mount Carmel Area El SchMount Carmel | Pre-K–6 | 796 | Public | 0.4 mi |
| Mount Carmel Area JHSMount Carmel | 7–8 | 253 | Public | 0.3 mi |
| Mount Carmel Area HSMount Carmel | 9–12 | 503 | Public | 0.3 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Mount Carmel Township.
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.