Atlantic County, New Jersey
County seat: Mays Landing · Population 278,657 (2025) · 556 sq mi
Atlantic County is the 15th most populous of New Jersey's 21 counties, with 278,657 people (2025 estimate). Its county seat is Mays Landing. The map shows its 17 cities and towns and the 6 neighboring counties.
Atlantic County facts
- County seat
- Mays Landing
- Population (2025 estimate)
- 278,657 +1.5% since 2020
- Land area
- 556 sq mi 3rd largest of 21
- Water area
- 116 sq mi
- Population density
- 502 per sq mi
- Established
- 1837
- Named after
- Atlantic Ocean ocean between Europe, Africa and the Americas
- Largest city
- Egg Harbor 48,435
- Median household income
- $78,050
- Cities and towns
- 17 plus 22 CDPs
- ZIP codes
- 30
- Time zone
- Eastern
- FIPS code
- 34001
Cities and towns in Atlantic County
Atlantic County has 17 incorporated cities, towns and villages. Populations count the people living inside Atlantic County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Atlantic City | City | 38,787 | |
| Pleasantville | City | 20,853 | |
| Hammonton | Town | 15,060 | |
| Somers Point | City | 10,590 | |
| Ventnor City | City | 9,345 | |
| Absecon | City | 9,209 | |
| Northfield | City | 8,496 | |
| Brigantine | City | 7,658 | |
| Linwood | City | 7,051 | |
| Margate City | City | 5,194 | |
| Buena | Borough | 4,529 | |
| Egg Harbor City | City | 4,426 | |
| Folsom | Borough | 1,834 | |
| Estell Manor | City | 1,696 | |
| Port Republic | City | 1,125 | |
| Longport | Borough | 879 | |
| Corbin City | City | 486 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| McKee City | 10,731 | |
| Smithville | 9,545 | |
| Pomona | 7,995 | |
| Mays Landing | 6,406 | |
| Bargaintown | 5,377 | |
| Stockton University | 2,621 | |
| English Creek | 2,548 | |
| Collings Lakes | 1,988 | |
| East Vineland | 1,429 | |
| Absecon Highlands | 1,288 | |
| Dorothy | 1,225 | |
| Cologne | 1,083 | |
| Sweetwater | 1,067 | |
| Germania | 890 | |
| Elwood | 733 | |
| Newtonville | 675 | |
| Richland | 639 | |
| Oceanville | 631 | |
| Nesco | 555 | |
| Mizpah | 473 | |
| Milmay | 405 | Cumberland County |
| Leeds Point | 77 |
ZIP codes in Atlantic County
30 ZIP codes reach into Atlantic County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 08037 also Camden County
- 08094 also Gloucester County
- 08201
- 08203
- 08205
- 08215 also Burlington County
- 08217
- 08221
- 08225
- 08232
- 08234
- 08240
- 08241
- 08244
- 08270 also Cape May and Cumberland counties
- 08310
- 08317
- 08319
- 08326
- 08330
- 08340 also Cumberland County
- 08341
- 08344 also Gloucester, Cumberland and Salem counties
- 08346
- 08350
- 08360 also Cumberland and Gloucester counties
- 08401
- 08402
- 08403
- 08406
Population of Atlantic County, 2020–2025
Atlantic County grew by 4,116 people (+1.5%) between April 2020 and July 2025: 2,001 more deaths than births and a net gain of 6,114 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 274,192 |
| 2021 | 274,909 |
| 2022 | 275,872 |
| 2023 | 276,643 |
| 2024 | 278,467 |
| 2025 | 278,657 |
Neighboring counties
- Burlington County north · 481,439 people
- Cape May County southwest · 93,390 people
- Cumberland County west · 157,148 people
- Ocean County northeast · 673,746 people
- Camden County northwest · 535,799 people
- Gloucester County northwest · 312,638 people
Printable Atlantic 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) (166 KB)
- PNG (2400 px) (125 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.
Back to the New Jersey county map with all 21 counties. Found an error? Tell us.