County demographics · New Jersey

Gloucester County, New Jersey demographics

Gloucester County, New Jersey (county FIPS 34015) has a median household income of $105,115 (±$2,579) and a total population of 306,954 in the American Community Survey 5-year estimates for 2020-2024.

Margins of error are at the 90% confidence level. The figures describe 2020-2024 (dollars in 2024 dollars), not the present. 31 ZIP Code Tabulation Areas overlap the county (Census 2020).

Data as of Oct 22, 2026 (Olympus publication) · Markdown version

  • Values are ACS 5-year estimates for 2020-2024 (dollars in 2024 dollars), not current figures.
  • ZCTA-county overlaps come from the Census 2020 relationship file and use 2020 counties, by land area; Connecticut uses its legacy counties, not the planning regions in ACS 2022+.

ACS 5-year estimates, 2020-2024

Census American Community Survey 5-year estimates for 2020-2024, with 90% margins of error as published by the Census Bureau.

MetricEstimateMargin of error (90%)ACS table
Total population306,954none (controlled estimate)B01003
Median age40.1 years±0.3 yearsB01002
Households112,545±623B11001
Median household income (inflation-adjusted to the final ACS year)$105,115±$2,579B19013
Median value of owner-occupied housing units$310,400±$4,245B25077
Median gross rent$1,531±$56B25064
Owner-occupied share of occupied housing units80.1%none (derived from several estimates)B25003 (derived)
Renter-occupied share of occupied housing units19.9%none (derived from several estimates)B25003 (derived)
High school graduate or higher (age 25+)94%none (derived from several estimates)B15003 (derived)
Bachelor's degree or higher (age 25+)36.8%none (derived from several estimates)B15003 (derived)
Share of people below the poverty level7.7%none (derived from several estimates)B17001 (derived)
Unemployment rate (civilian labor force)5.3%none (derived from several estimates)B23025 (derived)
  • Dollar values are in 2024 inflation-adjusted dollars.
  • Percentages' margins of error are in percentage points (pp).

Geography

MeasureValue
County FIPS34015
Land area322.01 sq mi
Water area14.73 sq mi
Population density953 per sq mi of land
Geography vintage2024 Gazetteer

ZIP codes (ZCTAs) in this county

ZCTAs that overlap the county in the Census 2020 ZCTA to county relationship file, largest share of the county's land first.

ZCTAShare of county landShare of ZCTA landCounty is the ZCTA's primary county
0809415.3%89.8%Yes
0808513.7%98.9%Yes
0806210%100%Yes
080809.1%100%Yes
083229%100%Yes
083445.6%75.5%Yes
083434.8%48.3%
080284.5%100%Yes
080964.3%100%Yes
080562.8%100%Yes
080272.3%100%Yes
080862.2%100%Yes
080662.1%100%Yes
080121.9%40.1%
083121.7%100%Yes
080201.4%100%Yes
083601.3%9.5%
080931.3%100%Yes
080511.2%100%Yes
080141.1%100%Yes
080711%100%Yes
080900.9%100%Yes
083280.6%100%Yes
080610.4%100%Yes
080970.4%100%Yes
080630.3%100%Yes
080810.3%3.9%
080740.2%100%Yes
080390.2%100%Yes
080320.1%100%Yes
080980%0.1%

Sources

Get this data from the API

The same figures, with provenance on every value, from the API (free API key, reference) or from an AI agent through the Olympus MCP server.

curl
curl -s "https://api.olympus.new-odyssey.com/v1/geo-demographics/counties/34015" -H "X-API-Key: $OLYMPUS_API_KEY"
MCP tool call
get_us_demographics {"county_fips":"34015"}

About this data