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 2023, at 30.8%. Hudson County had the lowest, at 12.2%. The median was 18.9% and the figure for New Jersey was 17.7%. Source: the U.S. Census Bureau.

Highest30.8Cape May County
Lowest12.2Hudson County
Median18.921 counties
New Jersey17.7History

All counties, 2023

CSVChart (SVG)

Cape May CountyCape May County: 30.8 %30.8Ocean CountyOcean County: 23.3 %23.3Hunterdon CountyHunterdon County: 21.8 %21.8Atlantic CountyAtlantic County: 20.9 %20.9Warren CountyWarren County: 20.5 %20.5Monmouth CountyMonmouth County: 20.2 %20.2Salem CountySalem County: 20.1 %20.1Sussex CountySussex County: 19.9 %19.9Burlington CountyBurlington County: 19 %19Morris CountyMorris County: 18.9 %18.9Bergen CountyBergen County: 18.9 %18.9Gloucester CountyGloucester County: 17.9 %17.9Somerset CountySomerset County: 17.7 %17.7Camden CountyCamden County: 17.4 %17.4Cumberland CountyCumberland County: 16.5 %16.5Middlesex CountyMiddlesex County: 16.5 %16.5Mercer CountyMercer County: 16.4 %16.4Passaic CountyPassaic County: 15.9 %15.9Union CountyUnion County: 15.1 %15.1Essex CountyEssex County: 14 %14Hudson CountyHudson County: 12.2 %12.2
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2023 (%)Change on 2022
1Cape May County30.8+1 pts
2Ocean County23.3+0.4 pts
3Hunterdon County21.8+0.8 pts
4Atlantic County20.9+0.7 pts
5Warren County20.5+0.5 pts
6Monmouth County20.2+0.6 pts
7Salem County20.1+0.3 pts
8Sussex County19.9+0.5 pts
9Burlington County19+0.5 pts
10Morris County18.9+0.4 pts
11Bergen County18.9+0.4 pts
12Gloucester County17.9+0.6 pts
13Somerset County17.7+0.5 pts
14Camden County17.4+0.4 pts
15Cumberland County16.5+0.1 pts
16Middlesex County16.5+0.4 pts
17Mercer County16.4+0.3 pts
18Passaic County15.9+0.3 pts
19Union County15.1+0.2 pts
20Essex County14+0.1 pts
21Hudson County12.2+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

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

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

Cape May County, with 30.8% in 2023, according to the U.S. Census Bureau.

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

Hudson County, with 12.2% in 2023.

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