Ranking of New York Counties By Percentage of White Alone Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the New York White Alone population (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 24.62%. Among all New York counties, Lewis County had the highest percentage of its White Alone population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (43.80%), followed by Chenango County (41.53%), and Orleans County (41.39%).

The chart below shows the top 10 New York counties, and the table below shows the ranking of all New York counties.

You can see similar information for other educational attainments, and for other races and ethnicities.

You can also see similar information for other states and for the United States.

Ranking of New York Counties By Percentage of White Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Lewis County
Chenango County
Orleans County
Delaware County
Cattaraugus County
Washington County
Wyoming County
Genesee County
Oswego County
Fulton County
Ranking of New York Counties By Percentage of White Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank County Percentage of Population (Aged 25yrs+) (%)
1 Lewis County 43.80
2 Chenango County 41.53
3 Orleans County 41.39
4 Delaware County 39.71
5 Cattaraugus County 39.67
6 Washington County 39.01
7 Wyoming County 38.54
8 Genesee County 38.39
9 Oswego County 37.69
10 Fulton County 37.28
11 Greene County 36.98
12 Schoharie County 36.87
13 Montgomery County 36.77
14 Franklin County 36.42
15 St. Lawrence County 36.18
16 Herkimer County 35.84
17 Tioga County 35.75
18 Steuben County 35.69
19 Madison County 35.56
20 Allegany County 35.47
21 Schuyler County 35.42
22 Chemung County 34.93
23 Chautauqua County 34.87
24 Yates County 34.79
25 Clinton County 34.69
26 Seneca County 33.72
27 Jefferson County 33.53
28 Essex County 33.50
29 Wayne County 32.85
30 Cayuga County 32.67
31 Otsego County 32.45
32 Niagara County 32.05
33 Sullivan County 32.00
34 Oneida County 31.29
35 Broome County 31.08
36 Livingston County 30.90
36 Richmond County 30.90
37 Cortland County 30.53
38 Columbia County 29.36
39 Orange County 28.64
40 Warren County 28.22
41 Ulster County 27.49
42 Hamilton County 27.47
43 Rensselaer County 27.43
44 Putnam County 26.87
45 Erie County 26.22
46 Bronx County 26.19
47 Suffolk County 25.99
48 Queens County 25.85
49 Schenectady County 25.82
50 Dutchess County 25.76
51 Ontario County 25.15
52 Onondaga County 25.07
53 Saratoga County 24.59
54 Rockland County 22.48
55 Monroe County 21.75
56 Nassau County 21.49
57 Albany County 21.09
58 Kings County 19.82
59 Tompkins County 18.03
60 Westchester County 16.28
61 New York County 6.61