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

Counties in New Jersey by share of population aged 65 and over, 2025

Cape May County had the highest share of population aged 65 and over of 21 counties in 2025, at 33.1%. Hudson County had the lowest, at 12.7%. The median was 19.8% and the figure for New Jersey was 18.5%. Source: the U.S. Census Bureau.

Highest33.1Cape May County
Lowest12.7Hudson County
Median19.821 counties
New Jersey18.5History

All counties, 2025

CSVChart (SVG)

Cape May CountyCape May County: 33.1 %33.1Ocean CountyOcean County: 24 %24Hunterdon CountyHunterdon County: 23.4 %23.4Atlantic CountyAtlantic County: 22.3 %22.3Warren CountyWarren County: 21.6 %21.6Monmouth CountyMonmouth County: 21.4 %21.4Sussex CountySussex County: 21.1 %21.1Salem CountySalem County: 20.5 %20.5Burlington CountyBurlington County: 20 %20Morris CountyMorris County: 20 %20Bergen CountyBergen County: 19.8 %19.8Gloucester CountyGloucester County: 19 %19Somerset CountySomerset County: 18.9 %18.9Camden CountyCamden County: 18.2 %18.2Middlesex CountyMiddlesex County: 17.4 %17.4Cumberland CountyCumberland County: 17 %17Mercer CountyMercer County: 17 %17Passaic CountyPassaic County: 16.6 %16.6Union CountyUnion County: 15.6 %15.6Essex CountyEssex County: 14.5 %14.5Hudson CountyHudson County: 12.7 %12.7
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2025 (%)Change on 2024
1Cape May County33.1+1.1 pts
2Ocean County24+0.4 pts
3Hunterdon County23.4+0.8 pts
4Atlantic County22.3+0.7 pts
5Warren County21.6+0.6 pts
6Monmouth County21.4+0.6 pts
7Sussex County21.1+0.6 pts
8Salem County20.5+0.2 pts
9Burlington County20+0.5 pts
10Morris County20+0.5 pts
11Bergen County19.8+0.5 pts
12Gloucester County19+0.6 pts
13Somerset County18.9+0.6 pts
14Camden County18.2+0.4 pts
15Middlesex County17.4+0.5 pts
16Cumberland County17+0.3 pts
17Mercer County17+0.4 pts
18Passaic County16.6+0.4 pts
19Union County15.6+0.4 pts
20Essex County14.5+0.4 pts
21Hudson County12.7+0.3 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 33.1% in 2025, according to the U.S. Census Bureau.

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

Hudson County, with 12.7% in 2025.

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