Gloucester County, New Jersey

Gloucester County population, land area and income

Gloucester County had 311,783 residents in the Census Vintage 2024 estimate, on 322.0 square miles of land. It ranks 14th of 21 in New Jersey by population and 11th by land area. That works out to 968.2 people per square mile, 10.1 times the US average of 96.3, and in the top tenth nationally.

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

Its SAIPE 2023 median household income of $96,965 is in the top tenth among 3,143 counties with an estimate.

How Gloucester County's population changed since 2020

Gloucester County gained 9,208 residents between the July 2020 and July 2024 estimates, a rise of 3.0%. That ranks 5th 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, Gloucester County recorded 12,711 births and 12,932 deaths, a natural change of -221. Net international migration added +1,934 and net domestic migration, people moving to or from other US counties, came to +7,824. The largest single component was domestic migration, which added 7,824 people.

Where Gloucester County is

The Census internal point of Gloucester County is at 39.722900, -75.145700. 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 Gloucester County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Gloucester County

11 incorporated places of 1,000+ people have residents in Gloucester County, 76,231 people together, or 24% of the county. Each figure counts only the part of the town inside Gloucester County; towns marked "part" extend into another county. The largest is Glassboro with 24,322.

Counties bordering Gloucester County

The Census 2024 county adjacency file lists 7 neighbors for Gloucester County, including 3 across a state line. The most populous is Philadelphia County, PA, with 1,573,916 residents. Distances run between Census internal points in a straight line.

• PA

  Philadelphia County, PA

  1,573,916 people

  20 mi N

• DE

  New Castle County, DE

  588,093 people

  28 mi WSW

• PA

  Delaware County, PA

  584,882 people

  19 mi NW

• Camden County

  533,988 people

  11 mi ENE

• Atlantic County

  279,114 people

  32 mi ESE

• Cumberland County

  155,678 people

  27 mi S

• Salem County

  65,874 people

  15 mi SW

Distance to Trenton and the nearest big city

Trenton is 40.1 miles NNE of Gloucester County's internal point in a straight line. The nearest place of 100,000 or more is Philadelphia, PA (population 1,573,916), 19.8 miles away. The nearest place of 10,000 or more is Glassboro, NJ (population 24,322), 2.4 miles away.

Gloucester County FIPS code

The FIPS code of Gloucester County is 34015: state code 34 for New Jersey plus county code 015. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $96,965.