Ranking of Pennsylvania Counties By Percentage of American Indian and Alaska Native Alone Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the Pennsylvania American Indian and Alaska Native Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 22.62%. Among all Pennsylvania counties, Jefferson County had the highest percentage of its American Indian and Alaska Native Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (90.48%), followed by Franklin County (74.52%), and Lawrence County (62.07%).

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

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Ranking of Pennsylvania Counties By American Indian and Alaska Native Alone Population with Educational Attainment of Less than High School Diploma in 2021
Ranking of Pennsylvania Counties By Percentage of Population with Educational Attainment of Less than High School Diploma in 2021

Related Topics: Pennsylvania ACS-5Yrs Estimates, 2021 Topic List.

Data Source: US Census - ACS 5-Year Estimates.

Ranking of Pennsylvania Counties By Percentage of American Indian and Alaska Native Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021

Jefferson County

Franklin County

Lawrence County

Northumberland County

Montgomery County

Mercer County

Crawford County

Cumberland County

Fayette County

York County

Ranking of Pennsylvania Counties By Percentage of American Indian and Alaska Native Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021

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Rank	County	Percentage of Population (Aged 25yrs+) (%)
1	Jefferson County	90.48
2	Franklin County	74.52
3	Lawrence County	62.07
4	Northumberland County	54.55
5	Montgomery County	52.46
6	Mercer County	45.57
7	Crawford County	41.18
8	Cumberland County	36.36
9	Fayette County	31.82
10	York County	29.93
11	Berks County	28.82
12	Cambria County	28.36
13	Bedford County	28.21
14	Dauphin County	27.58
15	Lehigh County	26.78
16	Chester County	25.84
17	Wayne County	25.61
18	Lycoming County	25.37
19	Union County	25.00
20	Carbon County	23.38
21	Cameron County	22.22
22	Clinton County	21.43
23	Delaware County	20.78
24	Philadelphia County	20.54
25	Schuylkill County	19.15
26	Luzerne County	17.72
27	Clearfield County	16.83
28	Northampton County	16.72
29	Mifflin County	16.42
30	Bucks County	15.82
31	Erie County	14.68
32	Lebanon County	14.49
33	Tioga County	12.50
34	Adams County	10.78
35	Perry County	10.77
36	Columbia County	10.00
37	McKean County	9.52
38	Armstrong County	9.09
39	Pike County	8.57
40	Wyoming County	8.33
41	Lackawanna County	7.76
42	Allegheny County	7.75
43	Westmoreland County	6.72
44	Lancaster County	5.95
45	Blair County	3.57
46	Monroe County	2.33
47	Butler County	2.00
48	Beaver County	0.00
48	Bradford County	0.00
48	Centre County	0.00
48	Clarion County	0.00
48	Elk County	0.00
48	Fulton County	0.00
48	Greene County	0.00
48	Huntingdon County	0.00
48	Indiana County	0.00
48	Montour County	0.00
48	Potter County	0.00
48	Snyder County	0.00
48	Somerset County	0.00
48	Sullivan County	0.00
48	Susquehanna County	0.00
48	Venango County	0.00
48	Warren County	0.00
48	Washington County	0.00