Salem County, New Jersey
County seat: Salem · Population 66,280 (2025) · 332 sq mi
Salem County is the 21st most populous of New Jersey's 21 counties, with 66,280 people (2025 estimate). Its county seat is Salem. The map shows its 4 cities and towns and the 4 neighboring counties.
Salem County facts
- County seat
- Salem
- Population (2025 estimate)
- 66,280 +2.3% since 2020
- Land area
- 332 sq mi 10th largest of 21
- Water area
- 41 sq mi
- Population density
- 200 per sq mi
- Established
- 1694
- Largest city
- Pennsville 12,923
- Median household income
- $79,960
- Cities and towns
- 4 plus 8 CDPs
- ZIP codes
- 14
- Time zone
- Eastern
- FIPS code
- 34033
Cities and towns in Salem County
Salem County has 4 incorporated cities, towns and villages. Populations count the people living inside Salem County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Salem (county seat) | City | 5,389 | |
| Penns Grove | Borough | 4,934 | |
| Woodstown | Borough | 3,784 | |
| Elmer | Borough | 1,376 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Pennsville | 12,233 | |
| Carneys Point | 8,050 | |
| Olivet | 1,573 | |
| Alloway | 1,455 | |
| Auburn | 1,100 | |
| Quinton | 432 | |
| Pedricktown | 424 | |
| Hancocks Bridge | 320 |
ZIP codes in Salem County
14 ZIP codes reach into Salem County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 08001
- 08023
- 08038
- 08067
- 08069
- 08070
- 08072
- 08079
- 08085 also Gloucester County
- 08098 also Gloucester County
- 08302 also Cumberland County
- 08318 also Cumberland County
- 08343 also Gloucester County
- 08344 also Gloucester, Cumberland and Atlantic counties
Population of Salem County, 2020–2025
Salem County grew by 1,457 people (+2.3%) between April 2020 and July 2025: 742 more deaths than births and a net gain of 2,192 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 64,781 |
| 2021 | 64,945 |
| 2022 | 65,110 |
| 2023 | 65,488 |
| 2024 | 65,940 |
| 2025 | 66,280 |
Neighboring counties
- Cumberland County southeast · 157,148 people
- New Castle County, Delaware west · 588,026 people
- Gloucester County northeast · 312,638 people
- Kent County, Delaware south · 194,786 people
Printable Salem 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) (106 KB)
- PNG (2400 px) (117 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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