Locust is a township in Columbia County, Pennsylvania, home to about 1,304 people across 18 square miles. It has no ZIP code of its own: it’s part of 17820.
Homes sold for a median of $113 per square foot in the three months ending August 2026, a balanced market.
Mostly Catawissa Borough; part is in Locust
Each card is that ZIP code’s whole market, including any part outside Locust. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Philadelphia International Airport (PHL)96 miles away |
|---|---|
| Closer regional airport | Williamsport Regional Airport (IPT)34 miles away |
| Nearest city of 250,000+ | Philadelphia, PA93 miles away |
Straight-line distances from the center of Locust; 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.
Locust had 1,458 residents in the 2020 census, up 3% since 2000.
It’s the 1552nd largest of 2,568 towns in Pennsylvania by population.
Columbia County grew from 39,896 residents in 1900 to 64,727 in 2020.
Columbia 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 (7 miles away).
22,886 jobs at 1,428 businesses in Columbia County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
7 doctors and other health care providers list an office in Locust.
Nearest hospitals
Providers with an office here
| Dentists | 1 |
|---|---|
| Mental health providers | 4 |
| Physical and occupational therapists | 1 |
| Chiropractors | 1 |
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 (2 nearby)
Grocery stores (1 nearby)
Pharmacies
Libraries
Museums
Theaters and performance venues
Counts are within about 3 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 Southern Columbia Area SD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Hartman El CtrCatawissa | K–4 | 480 | Public | 3.0 mi |
| Southern Columbia MSCatawissa | 5–8 | 367 | Public | 3.1 mi |
| Southern Columbia HSCatawissa | 9–12 | 348 | Public | 3.1 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 Catawissa Borough, Catawissa Township, Roaring Creek, Franklin Township (Columbia County), Cleveland, Conyngham Township (Columbia 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.