West Hemlock is a township in Montour County, Pennsylvania, home to about 490 people across 7.7 square miles. It has no ZIP code of its own: it’s part of 17821.
Homes sold for a median of $164 per square foot in the three months ending August 2026, a seller’s market.
Part is in West Hemlock, part in Mahoning Township (Montour County) and Danville
Each card is that ZIP code’s whole market, including any part outside West Hemlock. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up West Hemlock’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows West Hemlock well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Philadelphia International Airport (PHL)105 miles away |
|---|---|
| Closer regional airport | Williamsport Regional Airport (IPT)24 miles away |
| Nearest city of 250,000+ | Philadelphia, PA103 miles away |
Straight-line distances from the center of West Hemlock; 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.
West Hemlock had 454 residents in the 2020 census, down 7% since 2000.
It’s the 2173rd largest of 2,568 towns in Pennsylvania by population.
Montour County grew from 15,526 residents in 1900 to 18,136 in 2020.
Montour 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 43.6 inches of rain and melted snow fall in a typical year, with about 29 inches of snow.
Source: NOAA 1991–2020 climate normals, Sunbury, PA weather station (12 miles away).
14,493 jobs at 456 businesses in Montour County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
210 doctors and other health care providers list an office in West Hemlock.
Nearest hospitals
Providers with an office here
| Primary care doctors | 47 |
|---|---|
| Specialist doctors | 38 |
| Dentists | 10 |
| Nurse practitioners and physician assistants | 40 |
| Mental health providers | 36 |
| Physical and occupational therapists | 34 |
| Optometrists | 2 |
| Chiropractors | 3 |
| Pharmacies | 8 |
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 (13 nearby)
Grocery stores (2 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums (2 nearby)
Counts are within about 2 miles 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 Danville Area SD, Danville Ctr Adolescent Female, North Central Secure Trmnt Unt. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Danville Primary SchDanville | K–2 | 489 | Public | 2.1 mi |
| Liberty-Valley El SchDanville | 3–5 | 491 | Public | 2.1 mi |
| Danville Area MSDanville | 6–8 | 518 | Public | 1.1 mi |
| Danville Ctr Adolescent FemaleDanville | 7–12 | 45 | Alternative Education | 2.6 mi |
| North Central Secure Trmnt UntDanville | 7–12 | 43 | Alternative Education | 2.6 mi |
| Danville Area SHSDanville | 9–12 | 635 | Public | 1.9 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Cyril Preschool & KindergartenDanville | Pre-K–K | 11 | Roman Catholic | 1.4 mi |
| St Cyril Preschool & KindergartenDanville | Pre-K–K | 11 | Roman Catholic | 1.6 mi |
| St Joseph SchoolDanville | Pre-K–8 | 141 | Roman Catholic | 1.1 mi |
| Beaver Run Amish ParochialDanville | 2–8 | 16 | Amish | 4.9 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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Shares ZIP codes with Mahoning Township (Montour County), Danville, Valley Township (Montour County), Riverside, Rush Township (Northumberland County), Liberty Township (Montour County), Derry Township (Montour County), Cooper Township (Montour County), Anthony Township (Montour County), Limestone Township (Montour County) and Mayberry.
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.