Ranking of Pennsylvania Counties By Number of People and Percentage of Population With No Health Insurance Coverage in 2021 (ACS-5Yrs)

Updated on October 27, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the Pennsylvania population without a health insurance coverage was 5.62% (i.e. 717,759 people). Percentagewise, among all Pennsylvania counties, Juniata County had the highest percentage of its population with no health insurance coverage (13.04%), followed by Mifflin County (12.62%), and Lancaster County (11.69%).

In numerical terms, Philadelphia County had the highest number of people without a health insurance coverage (117,045), followed by Lancaster County (63,682), and Allegheny County (48,277).

The charts below shows the top 10 counties by the number of people and percentage of the population without a health insurance coverage. The tables below shows the ranking for all Pennsylvania counties.

You can see similar information for other types of health insurance coverages.

You can also see similar information for other states.

Ranking of Pennsylvania Counties By Percentage of Population With No Health Insurance Coverage in 2021
Juniata County
Mifflin County
Lancaster County
Snyder County
Union County
Clinton County
Perry County
Franklin County
Lebanon County
Crawford County
Ranking of Pennsylvania Counties By Number of People With No Health Insurance Coverage in 2021
Philadelphia County
Lancaster County
Allegheny County
Montgomery County
Delaware County
Berks County
Bucks County
Chester County
Lehigh County
York County
Ranking of Pennsylvania Counties By Percentage of Population With No Health Insurance Coverage in 2021
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Rank County Percentage of Population (%)
1 Juniata County 13.04
2 Mifflin County 12.62
3 Lancaster County 11.69
4 Snyder County 10.33
5 Union County 10.19
6 Clinton County 9.74
7 Perry County 9.40
8 Franklin County 9.29
9 Lebanon County 8.74
10 Crawford County 8.42
11 Jefferson County 7.62
12 Bedford County 7.41
13 Philadelphia County 7.39
14 Potter County 7.19
15 Indiana County 7.12
16 Monroe County 7.11
17 Bradford County 7.08
18 Clarion County 6.98
19 Wayne County 6.78
20 Tioga County 6.46
21 Sullivan County 6.44
22 Forest County 6.43
23 Lehigh County 6.40
24 Berks County 6.34
24 Susquehanna County 6.34
25 Adams County 6.14
26 Somerset County 6.09
27 Montour County 5.85
28 Luzerne County 5.84
29 Dauphin County 5.71
29 Lawrence County 5.71
30 Lycoming County 5.68
31 Centre County 5.62
32 Schuylkill County 5.61
33 Cumberland County 5.54
34 Mercer County 5.51
35 Clearfield County 5.30
36 Huntingdon County 5.28
37 Blair County 5.26
38 Fulton County 5.11
39 Pike County 5.00
40 Delaware County 4.92
41 Venango County 4.86
41 York County 4.86
42 Warren County 4.83
43 Chester County 4.77
44 Northumberland County 4.65
44 Wyoming County 4.65
45 Lackawanna County 4.57
46 Carbon County 4.47
47 Fayette County 4.42
48 Erie County 4.41
49 McKean County 4.26
49 Northampton County 4.26
50 Greene County 4.24
51 Columbia County 4.12
52 Armstrong County 4.02
53 Bucks County 3.96
54 Allegheny County 3.91
55 Beaver County 3.86
56 Cambria County 3.78
57 Montgomery County 3.70
58 Butler County 3.46
59 Washington County 3.36
60 Westmoreland County 3.20
61 Cameron County 3.18
62 Elk County 2.88
Ranking of Pennsylvania Counties By Number of People With NO Health Insurance Coverage in 2021
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Rank County Number of People
1 Philadelphia County 117045
2 Lancaster County 63682
3 Allegheny County 48277
4 Montgomery County 30996
5 Delaware County 27835
6 Berks County 26763
7 Bucks County 25290
8 Chester County 25130
9 Lehigh County 23538
10 York County 21842
11 Luzerne County 18523
12 Dauphin County 16036
13 Franklin County 14329
14 Cumberland County 13860
15 Northampton County 13142
16 Lebanon County 12286
17 Monroe County 11881
18 Erie County 11705
19 Westmoreland County 11278
20 Lackawanna County 9685
21 Centre County 8619
22 Schuylkill County 7632
23 Crawford County 6975
24 Washington County 6954
25 Butler County 6584
26 Beaver County 6437
27 Blair County 6398
28 Lycoming County 6303
29 Adams County 6295
30 Mercer County 5904
31 Indiana County 5856
32 Mifflin County 5746
33 Fayette County 5567
34 Cambria County 4951
35 Lawrence County 4875
36 Perry County 4264
37 Somerset County 4229
38 Bradford County 4227
39 Northumberland County 4110
40 Snyder County 4080
41 Clearfield County 3980
42 Union County 3855
43 Clinton County 3636
44 Bedford County 3504
45 Jefferson County 3350
46 Wayne County 3237
47 Juniata County 3050
48 Pike County 2902
49 Carbon County 2857
50 Columbia County 2647
51 Armstrong County 2632
52 Tioga County 2629
53 Clarion County 2592
54 Susquehanna County 2448
55 Venango County 2439
56 Huntingdon County 2124
57 Warren County 1849
58 McKean County 1648
59 Greene County 1432
60 Wyoming County 1215
61 Potter County 1168
62 Montour County 1018
63 Elk County 885
64 Fulton County 741
65 Sullivan County 371
66 Forest County 276
67 Cameron County 145