Ranking of South Carolina 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 South Carolina population without a health insurance coverage was 10.46% (i.e. 521,410 people). Percentagewise, among all South Carolina counties, Saluda County had the highest percentage of its population with no health insurance coverage (17.58%), followed by Bamberg County (14.68%), and Horry County (14.24%).

In numerical terms, Greenville County had the highest number of people without a health insurance coverage (53,374), followed by Horry County (48,907), and Charleston County (39,103).

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 South Carolina counties.

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

You can also see similar information for other states.

Ranking of South Carolina Counties By Percentage of Population With No Health Insurance Coverage in 2021
Saluda County
Bamberg County
Horry County
Colleton County
Marion County
Jasper County
Laurens County
Dillon County
Marlboro County
Barnwell County
Ranking of South Carolina Counties By Number of People With No Health Insurance Coverage in 2021
Greenville County
Horry County
Charleston County
Richland County
Spartanburg County
Lexington County
York County
Berkeley County
Anderson County
Dorchester County
Ranking of South Carolina Counties By Percentage of Population With No Health Insurance Coverage in 2021
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Rank County Percentage of Population (%)
1 Saluda County 17.58
2 Bamberg County 14.68
3 Horry County 14.24
4 Colleton County 14.02
5 Marion County 13.92
6 Jasper County 13.90
7 Laurens County 13.64
8 Dillon County 13.49
9 Marlboro County 13.17
10 Barnwell County 13.06
11 Chesterfield County 12.08
12 Cherokee County 12.05
13 Abbeville County 11.58
14 Allendale County 11.41
15 Sumter County 11.37
16 Chester County 11.28
17 Lee County 11.25
18 Union County 11.23
19 Dorchester County 11.10
20 Anderson County 10.83
21 Georgetown County 10.79
22 Orangeburg County 10.59
23 Berkeley County 10.54
24 Clarendon County 10.41
25 Greenville County 10.36
26 Oconee County 10.32
27 Florence County 10.31
28 Hampton County 10.28
29 Spartanburg County 10.18
30 Kershaw County 10.07
31 Charleston County 9.83
32 Williamsburg County 9.79
33 Aiken County 9.68
34 Lexington County 9.64
35 Beaufort County 9.58
36 Newberry County 9.42
37 Calhoun County 9.35
38 Richland County 9.20
39 Pickens County 9.07
40 Edgefield County 9.03
41 Greenwood County 8.76
42 Darlington County 8.73
43 York County 8.51
44 Lancaster County 8.48
45 Fairfield County 7.62
46 McCormick County 5.41
Ranking of South Carolina Counties By Number of People With NO Health Insurance Coverage in 2021
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Rank County Number of People
1 Greenville County 53374
2 Horry County 48907
3 Charleston County 39103
4 Richland County 36121
5 Spartanburg County 32456
6 Lexington County 27859
7 York County 23386
8 Berkeley County 22915
9 Anderson County 21760
10 Dorchester County 17472
11 Beaufort County 17163
12 Aiken County 16081
13 Florence County 13992
14 Pickens County 11691
15 Sumter County 11419
16 Laurens County 9017
17 Orangeburg County 8924
18 Oconee County 7982
19 Lancaster County 7867
20 Georgetown County 6749
21 Cherokee County 6726
22 Kershaw County 6473
23 Greenwood County 5980
24 Darlington County 5483
25 Colleton County 5318
26 Chesterfield County 5236
27 Marion County 4103
28 Jasper County 3871
29 Dillon County 3809
30 Chester County 3617
31 Newberry County 3524
32 Saluda County 3311
33 Marlboro County 3223
34 Clarendon County 3153
35 Union County 3021
36 Williamsburg County 2920
37 Abbeville County 2800
38 Barnwell County 2682
39 Edgefield County 2136
40 Bamberg County 1964
41 Hampton County 1868
42 Lee County 1734
43 Fairfield County 1595
44 Calhoun County 1318
45 Allendale County 844
46 McCormick County 463