Atlantic County, New Jersey

Atlantic County population, land area and income

Atlantic County had 279,114 residents in the Census Vintage 2024 estimate, on 555.6 square miles of land. It ranks 15th of 21 in New Jersey by population and 3rd by land area. That works out to 502.4 people per square mile, 5.2 times the US average of 96.3, and in the top tenth nationally.

The median county-equivalent in New Jersey has 475,515 residents; Atlantic County is somewhat smaller.

Its SAIPE 2023 median household income of $75,904 is in the top quarter among 3,143 counties with an estimate.

How Atlantic County's population changed since 2020

Atlantic County gained 4,918 residents between the July 2020 and July 2024 estimates, a rise of 1.8%. That ranks 15th of 21 in New Jersey for growth. The median New Jersey county changed by +2.3%, and the state as a whole by +2.5%.

Since the April 2020 estimates base, Atlantic County recorded 11,681 births and 13,508 deaths, a natural change of -1,827. Net international migration added +6,056 and net domestic migration, people moving to or from other US counties, came to +343. The largest single component was international migration, which added 6,056 people.

Where Atlantic County is

The Census internal point of Atlantic County is at 39.469400, -74.633800. It sits in UTM zone 18N. The map shades New Jersey's 21 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Atlantic County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Atlantic County

15 incorporated places of 1,000+ people have residents in Atlantic County, 146,353 people together, or 52% of the county. Each figure counts only the part of the town inside Atlantic County; towns marked "part" extend into another county. The largest is Atlantic City with 38,959.

Counties bordering Atlantic County

The Census 2024 county adjacency file lists 6 neighbors for Atlantic County. The most populous is Ocean County, NJ, with 666,434 residents. Distances run between Census internal points in a straight line.

• Ocean County

  666,434 people

  34 mi NE

• Camden County

  533,988 people

  29 mi NW

• Burlington County

  475,515 people

  28 mi N

• Gloucester County

  311,783 people

  32 mi WNW

• Cumberland County

  155,678 people

  28 mi WSW

• Cape May County

  93,875 people

  29 mi SSW

Distance to Trenton and the nearest big city

Trenton is 52.3 miles N of Atlantic County's internal point in a straight line. The nearest place of 100,000 or more is Philadelphia, PA (population 1,573,916), 45.8 miles away. The nearest place of 10,000 or more is Pleasantville, NJ (population 20,924), 8.5 miles away.

Atlantic County FIPS code

The FIPS code of Atlantic County is 34001: state code 34 for New Jersey plus county code 001. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $75,904.