Lebanon County, Pennsylvania
County seat: Lebanon · Population 146,380 (2025) · 362 sq mi
Lebanon County is the 24th most populous of Pennsylvania's 67 counties, with 146,380 people (2025 estimate). Its county seat is Lebanon. It is part of the District 8 region, one of the 11 PennDOT engineering districts. The map shows its 8 cities and towns and the 4 neighboring counties.
Lebanon County facts
- County seat
- Lebanon
- Population (2025 estimate)
- 146,380 +2.2% since 2020
- Land area
- 362 sq mi 60th largest of 67
- Water area
- 1 sq mi
- Population density
- 405 per sq mi
- Established
- 1813
- Named after
- Lebanon county seat of Lebanon County, Pennsylvania, United States
- Largest city
- Lebanon 26,479
- Median household income
- $78,425
- Cities and towns
- 8 plus 15 CDPs
- ZIP codes
- 21
- Time zone
- Eastern
- FIPS code
- 42075
Cities and towns in Lebanon County
Lebanon County has 8 incorporated cities, towns and villages. Populations count the people living inside Lebanon County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Lebanon (county seat) | City | 26,479 | |
| Palmyra | Borough | 7,762 | |
| Cornwall | Borough | 4,698 | |
| Myerstown | Borough | 3,157 | |
| Cleona | Borough | 2,055 | |
| Jonestown | Borough | 1,666 | |
| Richland | Borough | 1,524 | |
| Mount Gretna | Borough | 193 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Campbelltown | 6,092 | |
| Annville | 4,915 | |
| Newmanstown | 3,227 | |
| Pleasant Hill | 3,128 | |
| Sand Hill | 2,513 | |
| Lebanon South | 2,374 | |
| West Myerstown | 1,465 | |
| Avon | 1,397 | |
| Fredericksburg | 1,226 | |
| Hebron | 1,125 | |
| Schaefferstown | 942 | |
| Quentin | 720 | |
| Mount Gretna Heights | 325 | |
| Timber Hills | 306 | |
| Fort Indiantown Gap | 0 |
ZIP codes in Lebanon County
21 ZIP codes reach into Lebanon County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 17003
- 17010
- 17016
- 17026 also Berks County
- 17028 also Dauphin County
- 17033 also Dauphin County
- 17038
- 17039
- 17041
- 17042
- 17046
- 17064
- 17067 also Berks County
- 17073 also Lancaster County
- 17077
- 17078 also Dauphin County
- 17087 also Berks County
- 17088
- 17545 also Lancaster County
- 17963 also Schuylkill County
- 19551 also Berks and Lancaster counties
Population of Lebanon County, 2020–2025
Lebanon County grew by 3,128 people (+2.2%) between April 2020 and July 2025: 905 more deaths than births and a net gain of 4,064 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 143,272 |
| 2021 | 143,785 |
| 2022 | 144,037 |
| 2023 | 144,706 |
| 2024 | 145,392 |
| 2025 | 146,380 |
Neighboring counties
- Dauphin County west · 293,351 people
- Lancaster County southeast · 563,159 people
- Berks County east · 440,072 people
- Schuylkill County northeast · 145,085 people
Printable Lebanon County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (96 KB)
- PNG (2400 px) (85 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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