Data / Rankings / Population aged 65 and over / Counties in New Jersey

Counties in New Jersey by share of population aged 65 and over

Cape May County had the highest share of population aged 65 and over of 21 counties in 2024, at 32%. Hudson County had the lowest, at 12.4%. The median was 19.3% and the figure for New Jersey was 18%. Source: the U.S. Census Bureau.

Highest32Cape May County
Lowest12.4Hudson County
Median19.321 counties
New Jersey18History

All counties, 2024

CSVChart (SVG)

Cape May CountyCape May County: 32 %32Ocean CountyOcean County: 23.6 %23.6Hunterdon CountyHunterdon County: 22.6 %22.6Atlantic CountyAtlantic County: 21.6 %21.6Warren CountyWarren County: 21 %21Monmouth CountyMonmouth County: 20.8 %20.8Sussex CountySussex County: 20.5 %20.5Salem CountySalem County: 20.3 %20.3Burlington CountyBurlington County: 19.5 %19.5Morris CountyMorris County: 19.5 %19.5Bergen CountyBergen County: 19.3 %19.3Gloucester CountyGloucester County: 18.5 %18.5Somerset CountySomerset County: 18.3 %18.3Camden CountyCamden County: 17.8 %17.8Middlesex CountyMiddlesex County: 16.9 %16.9Cumberland CountyCumberland County: 16.7 %16.7Mercer CountyMercer County: 16.6 %16.6Passaic CountyPassaic County: 16.2 %16.2Union CountyUnion County: 15.2 %15.2Essex CountyEssex County: 14.1 %14.1Hudson CountyHudson County: 12.4 %12.4
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2024 (%)Change on 2023
1Cape May County32+1.2 pts
2Ocean County23.6+0.3 pts
3Hunterdon County22.6+0.8 pts
4Atlantic County21.6+0.6 pts
5Warren County21+0.6 pts
6Monmouth County20.8+0.6 pts
7Sussex County20.5+0.5 pts
8Salem County20.3+0.2 pts
9Burlington County19.5+0.5 pts
10Morris County19.5+0.5 pts
11Bergen County19.3+0.4 pts
12Gloucester County18.5+0.5 pts
13Somerset County18.3+0.5 pts
14Camden County17.8+0.4 pts
15Middlesex County16.9+0.4 pts
16Cumberland County16.7+0.2 pts
17Mercer County16.6+0.3 pts
18Passaic County16.2+0.3 pts
19Union County15.2+0.2 pts
20Essex County14.1+0.2 pts
21Hudson County12.4+0.2 pts

Other periods

About this ranking

Residents aged 65 or over as a percentage of total population. Spain: 1 January, INE annual census. United States: 1 July, Census Bureau population estimates. World Bank figures for other countries and the World refer to mid-year.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/counties/asrh/cc-est2025-agesex-all.csv. Retrieved 2026-10-09.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

Rank Counties in New Jersey by share of population aged 65 and over using official data, and cite the source.
rank_places {"indicator":"population_65_plus_share","level":"province","within":"New Jersey","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=population_65_plus_share&level=province&within=New%20Jersey&limit=10

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Questions

Which county has the highest share of population aged 65 and over?

Cape May County, with 32% in 2024, according to the U.S. Census Bureau.

Which county has the lowest share of population aged 65 and over?

Hudson County, with 12.4% in 2024.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. Retrieved 2026-10-09.

Population aged 65 and over: other rankings

Counties in New Jersey: more rankings