Bethlehem City (Lehigh County) is a city in Lehigh County, Pennsylvania, home to about 19,986 people across 4.3 square miles. Its ZIP code is 18018, and parts of 18017 are in Bethlehem City (Lehigh County) too.
Homes sold for a median of $195 per square foot in the three months ending August 2026, a seller’s market.
Mostly Bethlehem City (Lehigh County); also Bethlehem City (Northampton County)
Mostly Bethlehem City (Northampton County); part is in Bethlehem City (Lehigh County)
Each card is that ZIP code’s whole market, including any part outside Bethlehem City (Lehigh County). Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Bethlehem City (Lehigh County)’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)53 miles away |
|---|---|
| Closer regional airport | Lehigh Valley International Airport (ABE)3 miles away |
| Nearest city of 250,000+ | Philadelphia, PA45 miles away |
Straight-line distances from the center of Bethlehem City (Lehigh County); 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.
Bethlehem City (Lehigh County) had 19,772 residents in the 2020 census, up 4% since 2000.
It’s the 101st largest of 2,568 towns in Pennsylvania by population.
Lehigh County grew from 93,893 residents in 1900 to 374,557 in 2020.
Lehigh 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 47.4 inches of rain and melted snow fall in a typical year, with about 33 inches of snow.
Source: NOAA 1991–2020 climate normals, Allentown Intl Ap, PA weather station (3 miles away).
201,146 jobs at 8,681 businesses in Lehigh County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
710 doctors and other health care providers list an office in Bethlehem City (Lehigh County).
Nearest hospitals
Providers with an office here
| Primary care doctors | 37 |
|---|---|
| Specialist doctors | 126 |
| Dentists | 69 |
| Nurse practitioners and physician assistants | 124 |
| Mental health providers | 259 |
| Physical and occupational therapists | 73 |
| Optometrists | 11 |
| Chiropractors | 11 |
| Pharmacies | 7 |
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 (30 nearby)
Grocery stores (5 nearby)
Pharmacies (2 nearby)
Libraries (1 nearby)
Museums (6 nearby)
Theaters and performance venues (4 nearby)
Counts are within about 1.5 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.
Established in 1741.
Colleges and universities
Sports teams
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Bethlehem Area SD, Lehigh Valley Academy Regional CS, Lehigh Valley Dual Language CS. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Calypso El SchBethlehem | Pre-K–5 | 222 | Public | 1.2 mi |
| Marvine El SchBethlehem | Pre-K–5 | 265 | Public | 2.5 mi |
| Asa Packer El SchBethlehem | K–5 | 314 | Public | 1.8 mi |
| Clearview El SchBethlehem | K–5 | 384 | Public | 1.4 mi |
| Governor Wolf El SchBethlehem | K–5 | 432 | Public | 2.8 mi |
| Hanover El SchBethlehem | K–5 | 205 | Public | 2.4 mi |
| James Buchanan El SchBethlehem | K–5 | 253 | Public | 0.8 mi |
| Lehigh Valley Academy Regional CSBethlehem | K–12 | 1,878 | Charter | 2.1 mi |
| Lehigh Valley Dual Language CSBethlehem | K–8 | 457 | Charter | 1.8 mi |
| Lincoln El SchBethlehem | K–5 | 355 | Public | 2.2 mi |
| Spring Garden El SchBethlehem | K–5 | 532 | Public | 1.9 mi |
| Thomas Jefferson El SchBethlehem | K–5 | 238 | Public | 1.5 mi |
| William Penn El SchBethlehem | K–5 | 242 | Public | 0.7 mi |
| East Hills MSBethlehem | 6–8 | 966 | Public | 3.2 mi |
| Nitschmann MSBethlehem | 6–8 | 731 | Public | 0.6 mi |
| Northeast MSBethlehem | 6–8 | 715 | Public | 1.6 mi |
| Liberty HSBethlehem | 9–12 | 2,541 | Public | 1.1 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Lightbridge AcademyBethlehem | Pre-K–K | 15 | Nonsectarian | 2.4 mi |
| Moravian AcademyBethlehem | Pre-K–12 | 836 | Brethren | 1.2 mi |
| St Anne SchoolBethlehem | Pre-K–8 | 268 | Roman Catholic | 1.3 mi |
| St Nicholas Greek Orthodox AcademyBethlehem | Pre-K–K | 12 | Greek Orthodox | 1.0 mi |
| St John Chrysostom AcademyBethlehem | TK–10 | 50 | Other religious | 1.1 mi |
| Covenant Christian Academy of the Lehigh ValleyBethlehem | K–8 | 52 | Other religious | 1.1 mi |
| Centennial School Lehigh UnivBethlehem | 1–12 | 71 | Nonsectarian | 2.3 mi |
| Buxmont AcademyBethlehem | 7–12 | 40 | Nonsectarian | 1.1 mi |
| Buxmont AcademyBethlehem | 7–12 | 43 | Nonsectarian | 1.1 mi |
| Bethlehem Catholic High SchoolBethlehem | 9–12 | 478 | Roman Catholic | 1.2 mi |
| Fellowship Christian High SchoolBethlehem | 9–12 | 28 | Christian (no specific denomination) | 0.9 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 Bethlehem City (Northampton County), Hanover Township (Northampton County), Freemansburg and East Allen.
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.