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

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

Hamilton County had the highest share of population aged 65 and over of 62 counties in 2021, at 35.1%. Bronx County had the lowest, at 13.7%. The median was 19.9% and the figure for New York was 17.5%. Source: the U.S. Census Bureau.

Highest35.1Hamilton County
Lowest13.7Bronx County
Median19.962 counties
New York17.5History

Top 40 counties, 2021

CSVChart (SVG)

Hamilton CountyHamilton County: 35.1 %35.1Delaware CountyDelaware County: 25.6 %25.6Columbia CountyColumbia County: 25.6 %25.6Essex CountyEssex County: 24.6 %24.6Warren CountyWarren County: 24 %24Schuyler CountySchuyler County: 23.5 %23.5Greene CountyGreene County: 22.8 %22.8Schoharie CountySchoharie County: 22.6 %22.6Yates CountyYates County: 22.5 %22.5Chenango CountyChenango County: 22.5 %22.5Ontario CountyOntario County: 22.3 %22.3Herkimer CountyHerkimer County: 22.1 %22.1Chautauqua CountyChautauqua County: 21.6 %21.6Otsego CountyOtsego County: 21.5 %21.5Fulton CountyFulton County: 21.4 %21.4Tioga CountyTioga County: 21.3 %21.3Cayuga CountyCayuga County: 21.1 %21.1Washington CountyWashington County: 21.1 %21.1Seneca CountySeneca County: 20.9 %20.9Ulster CountyUlster County: 20.9 %20.9Cattaraugus CountyCattaraugus County: 20.8 %20.8Steuben CountySteuben County: 20.8 %20.8Niagara CountyNiagara County: 20.6 %20.6Genesee CountyGenesee County: 20.5 %20.5Lewis CountyLewis County: 20.5 %20.5Wayne CountyWayne County: 20.4 %20.4Livingston CountyLivingston County: 20.3 %20.3Chemung CountyChemung County: 20.2 %20.2Montgomery CountyMontgomery County: 20 %20Broome CountyBroome County: 20 %20Madison CountyMadison County: 19.9 %19.9Allegany CountyAllegany County: 19.9 %19.9Franklin CountyFranklin County: 19.8 %19.8Wyoming CountyWyoming County: 19.8 %19.8Oneida CountyOneida County: 19.8 %19.8Saratoga CountySaratoga County: 19.7 %19.7Orleans CountyOrleans County: 19.6 %19.6Erie CountyErie County: 19 %19Clinton CountyClinton County: 19 %19Monroe CountyMonroe County: 19 %19
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2021 (%)Change on 2020
1Hamilton County35.1+0.6 pts
2Delaware County25.6+0.3 pts
3Columbia County25.6+0.8 pts
4Essex County24.6+0.5 pts
5Warren County24+0.6 pts
6Schuyler County23.5+0.5 pts
7Greene County22.8+0.3 pts
8Schoharie County22.6+0.3 pts
9Yates County22.5+0.4 pts
10Chenango County22.5+0.6 pts
11Ontario County22.3+0.7 pts
12Herkimer County22.1+0.4 pts
13Chautauqua County21.6+0.5 pts
14Otsego County21.5-0.5 pts
15Fulton County21.4+0.4 pts
16Tioga County21.3+0.8 pts
17Cayuga County21.1+0.6 pts
18Washington County21.1+0.6 pts
19Seneca County20.9+0.6 pts
20Ulster County20.9+0.3 pts
21Cattaraugus County20.8+0.5 pts
22Steuben County20.8+0.5 pts
23Niagara County20.6+0.5 pts
24Genesee County20.5+0.5 pts
25Lewis County20.5+0.6 pts
26Wayne County20.4+0.6 pts
27Livingston County20.3+0.6 pts
28Chemung County20.2+0.3 pts
29Montgomery County20-0.1 pts
30Broome County20+0.2 pts
31Madison County19.9+0.7 pts
32Allegany County19.9+0.2 pts
33Franklin County19.8+0.8 pts
34Wyoming County19.8+0.6 pts
35Oneida County19.8+0.4 pts
36Saratoga County19.7+0.5 pts
37Orleans County19.6+0.7 pts
38Erie County19+0.4 pts
39Clinton County19+0.7 pts
40Monroe County19+0.4 pts
41Dutchess County18.9+0.4 pts
42Sullivan County18.8+0.2 pts
43Putnam County18.8+0.6 pts
44St. Lawrence County18.8+0.5 pts
45Nassau County18.7+0.4 pts
46Onondaga County18.6+0.5 pts
47Cortland County18.5+0.3 pts
48Rensselaer County18.3+0.5 pts
49Albany County18.2+0.4 pts
50New York County18.1+1.5 pts
51Suffolk County18+0.4 pts
52Oswego County18+0.4 pts
53Schenectady County17.9+0.1 pts
54Westchester County17.9+0.5 pts
55Richmond County17.6+0.5 pts
56Tompkins County16.4+1 pts
57Queens County16.4+0.9 pts
58Rockland County15.7+0.2 pts
59Jefferson County15.3+0.3 pts
60Orange County14.6+0.3 pts
61Kings County14.3+0.8 pts
62Bronx County13.7+0.8 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

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Rank Counties in New York 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 York","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=population_65_plus_share&level=province&within=New%20York&limit=10

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Questions

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

Hamilton County, with 35.1% in 2021, according to the U.S. Census Bureau.

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

Bronx County, with 13.7% in 2021.

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 York: more rankings