Palmer is a township in Northampton County, Pennsylvania, home to about 22,424 people across 10 square miles. Its ZIP code is 18045.
Homes sold for a median of $224 per square foot in the three months ending August 2026, a seller’s market.
Mostly Palmer; also Bethlehem Township and Easton
Each card is that ZIP code’s whole market, including any part outside Palmer. 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)57 miles away |
|---|---|
| Closer regional airport | Lehigh Valley International Airport (ABE)9 miles away |
| Nearest city of 250,000+ | Philadelphia, PA48 miles away |
Straight-line distances from the center of Palmer; 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.
Palmer had 22,317 residents in the 2020 census, up 33% since 2000.
It’s the 78th largest of 2,568 towns in Pennsylvania by population.
Northampton County grew from 99,687 residents in 1900 to 312,951 in 2020.
Northampton County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 22°F. About 51.2 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Phillipsburg-Easton Brg, NJ weather station (5 miles away).
121,192 jobs at 6,529 businesses in Northampton County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
659 doctors and other health care providers list an office in Palmer.
Nearest hospitals
Providers with an office here
| Primary care doctors | 125 |
|---|---|
| Specialist doctors | 209 |
| Dentists | 41 |
| Nurse practitioners and physician assistants | 129 |
| Mental health providers | 75 |
| Physical and occupational therapists | 61 |
| Optometrists | 12 |
| Chiropractors | 7 |
| Pharmacies | 14 |
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 (17 nearby)
Grocery stores (5 nearby)
Pharmacies (2 nearby)
Libraries (1 nearby)
Museums
Theaters and performance venues
Counts are within about 2.5 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 Bethlehem Area SD, Easton Area SD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Farmersville El SchEaston | K–5 | 357 | Public | 2.2 mi |
| Palmer El SchEaston | K–5 | 531 | Public | 1.2 mi |
| Tracy El SchEaston | K–5 | 410 | Public | 2.2 mi |
| Easton Area HSEaston | 9–12 | 2,778 | Public | 2.0 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Bethlehem Christian School Upper CampusEaston | Pre-K–12 | 336 | Christian (no specific denomination) | 1.1 mi |
| The Childrens Garden Early Ed CenterEaston | K | 7 | Nonsectarian | 1.8 mi |
| Notre Dame High SchoolEaston | 9–12 | 539 | Roman Catholic | 2.0 mi |
| Notre Dame High SchoolEaston | 9–12 | 543 | Roman Catholic | 2.0 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 Bethlehem Township, Easton, Lower Nazareth and Tatamy.
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.