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 2020, at 34.5%. Bronx County had the lowest, at 12.9%. The median was 19.5% and the figure for New York was 16.8%. Source: the U.S. Census Bureau.

Highest34.5Hamilton County
Lowest12.9Bronx County
Median19.562 counties
New York16.8History

Top 40 counties, 2020

CSVChart (SVG)

Hamilton CountyHamilton County: 34.5 %34.5Delaware CountyDelaware County: 25.2 %25.2Columbia CountyColumbia County: 24.8 %24.8Essex CountyEssex County: 24.1 %24.1Warren CountyWarren County: 23.3 %23.3Schuyler CountySchuyler County: 23 %23Greene CountyGreene County: 22.4 %22.4Schoharie CountySchoharie County: 22.2 %22.2Yates CountyYates County: 22.1 %22.1Otsego CountyOtsego County: 21.9 %21.9Chenango CountyChenango County: 21.8 %21.8Herkimer CountyHerkimer County: 21.7 %21.7Ontario CountyOntario County: 21.6 %21.6Chautauqua CountyChautauqua County: 21.1 %21.1Fulton CountyFulton County: 21.1 %21.1Ulster CountyUlster County: 20.6 %20.6Washington CountyWashington County: 20.5 %20.5Cayuga CountyCayuga County: 20.5 %20.5Tioga CountyTioga County: 20.5 %20.5Seneca CountySeneca County: 20.3 %20.3Steuben CountySteuben County: 20.3 %20.3Cattaraugus CountyCattaraugus County: 20.3 %20.3Niagara CountyNiagara County: 20.1 %20.1Montgomery CountyMontgomery County: 20.1 %20.1Genesee CountyGenesee County: 20.1 %20.1Lewis CountyLewis County: 20 %20Chemung CountyChemung County: 19.9 %19.9Broome CountyBroome County: 19.8 %19.8Wayne CountyWayne County: 19.8 %19.8Livingston CountyLivingston County: 19.8 %19.8Allegany CountyAllegany County: 19.7 %19.7Oneida CountyOneida County: 19.4 %19.4Saratoga CountySaratoga County: 19.2 %19.2Wyoming CountyWyoming County: 19.2 %19.2Madison CountyMadison County: 19.1 %19.1Franklin CountyFranklin County: 19 %19Orleans CountyOrleans County: 18.9 %18.9Sullivan CountySullivan County: 18.7 %18.7Erie CountyErie County: 18.6 %18.6Monroe CountyMonroe County: 18.5 %18.5
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2020 (%)
1Hamilton County34.5
2Delaware County25.2
3Columbia County24.8
4Essex County24.1
5Warren County23.3
6Schuyler County23
7Greene County22.4
8Schoharie County22.2
9Yates County22.1
10Otsego County21.9
11Chenango County21.8
12Herkimer County21.7
13Ontario County21.6
14Chautauqua County21.1
15Fulton County21.1
16Ulster County20.6
17Washington County20.5
18Cayuga County20.5
19Tioga County20.5
20Seneca County20.3
21Steuben County20.3
22Cattaraugus County20.3
23Niagara County20.1
24Montgomery County20.1
25Genesee County20.1
26Lewis County20
27Chemung County19.9
28Broome County19.8
29Wayne County19.8
30Livingston County19.8
31Allegany County19.7
32Oneida County19.4
33Saratoga County19.2
34Wyoming County19.2
35Madison County19.1
36Franklin County19
37Orleans County18.9
38Sullivan County18.7
39Erie County18.6
40Monroe County18.5
41Dutchess County18.5
42Clinton County18.3
43St. Lawrence County18.3
44Nassau County18.3
45Putnam County18.2
46Cortland County18.2
47Onondaga County18.1
48Schenectady County17.8
49Albany County17.8
50Rensselaer County17.8
51Suffolk County17.6
52Oswego County17.6
53Westchester County17.4
54Richmond County17.1
55New York County16.6
56Rockland County15.5
57Queens County15.5
58Tompkins County15.4
59Jefferson County15
60Orange County14.3
61Kings County13.5
62Bronx County12.9

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.

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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}
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Questions

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

Hamilton County, with 34.5% in 2020, according to the U.S. Census Bureau.

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

Bronx County, with 12.9% in 2020.

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