Data / Rankings / High school graduate or higher, population 25 and over / Counties in New York

Counties in New York by high school graduate or higher, population 25 and over

Tompkins County had the highest high school graduate or higher, population 25 and over of 62 counties in 2021, at 95%. Bronx County had the lowest, at 74.1%. The median was 90.4% and the figure for New York was 87.4%. Source: the U.S. Census Bureau.

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Highest95Tompkins County
Lowest74.1Bronx County
Median90.462 counties
New York87.4History

Map of counties, 2021

Albany County: 92.8 %Allegany County: 91 %Bronx County: 74.1 %Broome County: 90.6 %Cattaraugus County: 89.6 %Cayuga County: 88.1 %Chautauqua County: 89.3 %Chemung County: 89.5 %Chenango County: 88.8 %Clinton County: 87.6 %Columbia County: 91.2 %Cortland County: 90.1 %Delaware County: 90.1 %Dutchess County: 91.5 %Erie County: 92.1 %Essex County: 91.2 %Franklin County: 88.1 %Fulton County: 87.3 %Genesee County: 92.6 %Greene County: 87.9 %Hamilton County: 79.7 %Herkimer County: 90.9 %Jefferson County: 91.2 %Kings County: 83.7 %Lewis County: 91.1 %Livingston County: 91.9 %Madison County: 92.8 %Monroe County: 91.1 %Montgomery County: 88.7 %Nassau County: 91.7 %New York County: 88.4 %Niagara County: 91.6 %Oneida County: 88.8 %Onondaga County: 91.3 %Ontario County: 93.3 %Orange County: 89.9 %Orleans County: 87 %Oswego County: 89.7 %Otsego County: 92.8 %Putnam County: 93.3 %Queens County: 82.7 %Rensselaer County: 92.3 %Richmond County: 88.6 %Rockland County: 88.9 %St. Lawrence County: 88.6 %Saratoga County: 93.7 %Schenectady County: 91.3 %Schoharie County: 90.6 %Schuyler County: 90.8 %Seneca County: 84.8 %Steuben County: 91.5 %Suffolk County: 90.4 %Sullivan County: 86.6 %Tioga County: 92.7 %Tompkins County: 95 %Ulster County: 91.4 %Warren County: 91.5 %Washington County: 88.7 %Wayne County: 90.3 %Westchester County: 88.9 %Wyoming County: 88.4 %Yates County: 86.2 %
  • Under 88
  • 88 to 89
  • 89 to 90
  • 90 to 91
  • 91 to 92
  • 92 and over
%, 2021. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2021

Tompkins County: 95 %Tompkins County95Saratoga County: 93.7 %Saratoga County93.7Putnam County: 93.3 %Putnam County93.3Ontario County: 93.3 %Ontario County93.3Otsego County: 92.8 %Otsego County92.8Albany County: 92.8 %Albany County92.8Madison County: 92.8 %Madison County92.8Tioga County: 92.7 %Tioga County92.7Genesee County: 92.6 %Genesee County92.6Rensselaer County: 92.3 %Rensselaer County92.3Erie County: 92.1 %Erie County92.1Livingston County: 91.9 %Livingston County91.9Nassau County: 91.7 %Nassau County91.7Niagara County: 91.6 %Niagara County91.6Dutchess County: 91.5 %Dutchess County91.5Steuben County: 91.5 %Steuben County91.5Warren County: 91.5 %Warren County91.5Ulster County: 91.4 %Ulster County91.4Schenectady County: 91.3 %Schenectady County91.3Onondaga County: 91.3 %Onondaga County91.3Columbia County: 91.2 %Columbia County91.2Jefferson County: 91.2 %Jefferson County91.2Essex County: 91.2 %Essex County91.2Lewis County: 91.1 %Lewis County91.1Monroe County: 91.1 %Monroe County91.1Allegany County: 91 %Allegany County91Herkimer County: 90.9 %Herkimer County90.9Schuyler County: 90.8 %Schuyler County90.8Schoharie County: 90.6 %Schoharie County90.6Broome County: 90.6 %Broome County90.6Suffolk County: 90.4 %Suffolk County90.4Wayne County: 90.3 %Wayne County90.3Cortland County: 90.1 %Cortland County90.1Delaware County: 90.1 %Delaware County90.1Orange County: 89.9 %Orange County89.9Oswego County: 89.7 %Oswego County89.7Cattaraugus County: 89.6 %Cattaraugus County89.6Chemung County: 89.5 %Chemung County89.5Chautauqua County: 89.3 %Chautauqua County89.3Rockland County: 88.9 %Rockland County88.9Tompkins County: 95 %Tompkins County95Saratoga County: 93.7 %Saratoga County93.7Putnam County: 93.3 %Putnam County93.3Ontario County: 93.3 %Ontario County93.3Otsego County: 92.8 %Otsego County92.8Albany County: 92.8 %Albany County92.8Madison County: 92.8 %Madison County92.8Tioga County: 92.7 %Tioga County92.7Genesee County: 92.6 %Genesee County92.6Rensselaer County: 92.3 %Rensselaer County92.3Erie County: 92.1 %Erie County92.1Livingston County: 91.9 %Livingston County91.9Nassau County: 91.7 %Nassau County91.7Niagara County: 91.6 %Niagara County91.6Dutchess County: 91.5 %Dutchess County91.5Steuben County: 91.5 %Steuben County91.5Warren County: 91.5 %Warren County91.5Ulster County: 91.4 %Ulster County91.4Schenectady County: 91.3 %Schenectady County91.3Onondaga County: 91.3 %Onondaga County91.3Columbia County: 91.2 %Columbia County91.2Jefferson County: 91.2 %Jefferson County91.2Essex County: 91.2 %Essex County91.2Lewis County: 91.1 %Lewis County91.1Monroe County: 91.1 %Monroe County91.1Allegany County: 91 %Allegany County91Herkimer County: 90.9 %Herkimer County90.9Schuyler County: 90.8 %Schuyler County90.8Schoharie County: 90.6 %Schoharie County90.6Broome County: 90.6 %Broome County90.6Suffolk County: 90.4 %Suffolk County90.4Wayne County: 90.3 %Wayne County90.3Cortland County: 90.1 %Cortland County90.1Delaware County: 90.1 %Delaware County90.1Orange County: 89.9 %Orange County89.9Oswego County: 89.7 %Oswego County89.7Cattaraugus County: 89.6 %Cattaraugus County89.6Chemung County: 89.5 %Chemung County89.5Chautauqua County: 89.3 %Chautauqua County89.3Rockland County: 88.9 %Rockland County88.9
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2021 (%)
1Tompkins County95
2Saratoga County93.7
3Putnam County93.3
4Ontario County93.3
5Otsego County92.8
6Albany County92.8
7Madison County92.8
8Tioga County92.7
9Genesee County92.6
10Rensselaer County92.3
11Erie County92.1
12Livingston County91.9
13Nassau County91.7
14Niagara County91.6
15Dutchess County91.5
16Steuben County91.5
17Warren County91.5
18Ulster County91.4
19Schenectady County91.3
20Onondaga County91.3
21Columbia County91.2
22Jefferson County91.2
23Essex County91.2
24Lewis County91.1
25Monroe County91.1
26Allegany County91
27Herkimer County90.9
28Schuyler County90.8
29Schoharie County90.6
30Broome County90.6
31Suffolk County90.4
32Wayne County90.3
33Cortland County90.1
34Delaware County90.1
35Orange County89.9
36Oswego County89.7
37Cattaraugus County89.6
38Chemung County89.5
39Chautauqua County89.3
40Rockland County88.9
41Westchester County88.9
42Oneida County88.8
43Chenango County88.8
44Washington County88.7
45Montgomery County88.7
46Richmond County88.6
46St. Lawrence County88.6
48Wyoming County88.4
49New York County88.4
50Franklin County88.1
51Cayuga County88.1
52Greene County87.9
53Clinton County87.6
54Fulton County87.3
55Orleans County87
56Sullivan County86.6
57Yates County86.2
58Seneca County84.8
59Kings County83.7
60Queens County82.7
61Hamilton County79.7
62Bronx County74.1

Other periods

About this ranking

People aged 25 and over who hold a regular high school diploma, a GED or alternative credential, or any higher level of education, as a percentage of all people aged 25 and over. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Measures the adult population, not students: it is not the high school graduation rate of a class. Not comparable with the EU share below upper secondary education, which covers ages 25 to 64.

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. American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b15003.dat. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs (Counties in New York by high school graduate or higher, population 25 and over, 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b15003.dat

MLA 9

American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs, Counties in New York by high school graduate or higher, population 25 and over, 2021. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b15003.dat. Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/new-york-counties?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. Counties in New York by high school graduate or higher, population 25 and over, 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b15003.dat. Also distributed by Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/new-york-counties?period=2021.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs, Counties in New York by high school graduate or higher, population 25 and over, 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b15003.dat, via Invokely: https://invokely.ai/rankings/high-school-graduate-or-higher/new-york-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_new_york_2021,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs: Counties in New York by high school graduate or higher, population 25 and over, 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b15003.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/new-york-counties?period=2021. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b15003.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs: Counties in New York by high school graduate or higher, population 25 and over, 2021
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b15003.dat
L2  - https://invokely.ai/rankings/high-school-graduate-or-higher/new-york-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/new-york-counties?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b15003.dat. Retrieved 2026-10-12.
ER  -
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Rank Counties in New York by high school graduate or higher, population 25 and over using official data, and cite the source.
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Questions

Which county has the highest high school graduate or higher, population 25 and over?

Tompkins County, with 95% in 2021, according to the U.S. Census Bureau.

Which county has the lowest high school graduate or higher, population 25 and over?

Bronx County, with 74.1% 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, American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. Retrieved 2026-10-12.

High school graduate or higher, population 25 and over: other rankings

Counties in New York: more rankings