Data / Rankings / Uninsured rate, ages 18 to 64 (US model-based estimate) / Counties in Tennessee

Counties in Tennessee by uninsured rate, ages 18 to 64 (US model-based estimate)

Sevier County had the highest uninsured rate, ages 18 to 64 (US model-based estimate) of 95 counties in 2017, at 20.6%. Williamson County had the lowest, at 7.8%. The median was 14.5% and the figure for Tennessee was 13.9%. Source: the U.S. Census Bureau.

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Highest20.6Sevier County
Lowest7.8Williamson County
Median14.595 counties
Tennessee13.9History

Map of counties, 2017

Anderson County: 12.8 %Bedford County: 18.3 %Benton County: 15 %Bledsoe County: 18.1 %Blount County: 12.5 %Bradley County: 16.6 %Campbell County: 15.4 %Cannon County: 14.5 %Carroll County: 13.5 %Carter County: 14.7 %Cheatham County: 12.4 %Chester County: 14.8 %Claiborne County: 14.1 %Clay County: 18.1 %Cocke County: 15.2 %Coffee County: 13.8 %Crockett County: 18 %Cumberland County: 15.5 %Davidson County: 16.7 %Decatur County: 14.7 %DeKalb County: 17.6 %Dickson County: 13.6 %Dyer County: 12.4 %Fayette County: 13.2 %Fentress County: 15 %Franklin County: 13 %Gibson County: 14 %Giles County: 15 %Grainger County: 15.1 %Greene County: 13.7 %Grundy County: 17.3 %Hamblen County: 17.7 %Hamilton County: 13.3 %Hancock County: 14.5 %Hardeman County: 15.5 %Hardin County: 14.3 %Hawkins County: 13.5 %Haywood County: 14.2 %Henderson County: 13.8 %Henry County: 13.7 %Hickman County: 15.8 %Houston County: 15.5 %Humphreys County: 13.8 %Jackson County: 14.9 %Jefferson County: 14.3 %Johnson County: 15.2 %Knox County: 12 %Lake County: 14.5 %Lauderdale County: 15.4 %Lawrence County: 16.7 %Lewis County: 15.1 %Lincoln County: 14.1 %Loudon County: 15.4 %McMinn County: 15.2 %McNairy County: 14.1 %Macon County: 17 %Madison County: 11.9 %Marion County: 13.8 %Marshall County: 13.1 %Maury County: 13.2 %Meigs County: 15.2 %Monroe County: 14.8 %Montgomery County: 11.3 %Moore County: 11.2 %Morgan County: 15.6 %Obion County: 14.6 %Overton County: 15 %Perry County: 17.8 %Pickett County: 14.3 %Polk County: 15 %Putnam County: 15.2 %Rhea County: 15.9 %Roane County: 13.1 %Robertson County: 12.5 %Rutherford County: 11.6 %Scott County: 14.4 %Sequatchie County: 13.9 %Sevier County: 20.6 %Shelby County: 14.9 %Smith County: 12.6 %Stewart County: 14.3 %Sullivan County: 12.7 %Sumner County: 12.4 %Tipton County: 11.3 %Trousdale County: 15.5 %Unicoi County: 15 %Union County: 15.9 %Van Buren County: 15.5 %Warren County: 18.7 %Washington County: 13.5 %Wayne County: 14.1 %Weakley County: 12.4 %White County: 14.2 %Williamson County: 7.8 %Wilson County: 10.5 %
  • Under 13
  • 13 to 14
  • 14 to 15
  • 15 to 16
  • 16 and over
%, 2017. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2017

Sevier County: 20.6 %Sevier County20.6Warren County: 18.7 %Warren County18.7Bedford County: 18.3 %Bedford County18.3Bledsoe County: 18.1 %Bledsoe County18.1Clay County: 18.1 %Clay County18.1Crockett County: 18 %Crockett County18Perry County: 17.8 %Perry County17.8Hamblen County: 17.7 %Hamblen County17.7DeKalb County: 17.6 %DeKalb County17.6Grundy County: 17.3 %Grundy County17.3Macon County: 17 %Macon County17Davidson County: 16.7 %Davidson County16.7Lawrence County: 16.7 %Lawrence County16.7Bradley County: 16.6 %Bradley County16.6Rhea County: 15.9 %Rhea County15.9Union County: 15.9 %Union County15.9Hickman County: 15.8 %Hickman County15.8Morgan County: 15.6 %Morgan County15.6Cumberland County: 15.5 %Cumberland County15.5Hardeman County: 15.5 %Hardeman County15.5Houston County: 15.5 %Houston County15.5Trousdale County: 15.5 %Trousdale County15.5Van Buren County: 15.5 %Van Buren County15.5Campbell County: 15.4 %Campbell County15.4Lauderdale County: 15.4 %Lauderdale County15.4Loudon County: 15.4 %Loudon County15.4Cocke County: 15.2 %Cocke County15.2Johnson County: 15.2 %Johnson County15.2McMinn County: 15.2 %McMinn County15.2Meigs County: 15.2 %Meigs County15.2Putnam County: 15.2 %Putnam County15.2Grainger County: 15.1 %Grainger County15.1Lewis County: 15.1 %Lewis County15.1Benton County: 15 %Benton County15Fentress County: 15 %Fentress County15Giles County: 15 %Giles County15Overton County: 15 %Overton County15Polk County: 15 %Polk County15Unicoi County: 15 %Unicoi County15Jackson County: 14.9 %Jackson County14.9Sevier County: 20.6 %Sevier County20.6Warren County: 18.7 %Warren County18.7Bedford County: 18.3 %Bedford County18.3Bledsoe County: 18.1 %Bledsoe County18.1Clay County: 18.1 %Clay County18.1Crockett County: 18 %Crockett County18Perry County: 17.8 %Perry County17.8Hamblen County: 17.7 %Hamblen County17.7DeKalb County: 17.6 %DeKalb County17.6Grundy County: 17.3 %Grundy County17.3Macon County: 17 %Macon County17Davidson County: 16.7 %Davidson County16.7Lawrence County: 16.7 %Lawrence County16.7Bradley County: 16.6 %Bradley County16.6Rhea County: 15.9 %Rhea County15.9Union County: 15.9 %Union County15.9Hickman County: 15.8 %Hickman County15.8Morgan County: 15.6 %Morgan County15.6Cumberland County: 15.5 %Cumberland County15.5Hardeman County: 15.5 %Hardeman County15.5Houston County: 15.5 %Houston County15.5Trousdale County: 15.5 %Trousdale County15.5Van Buren County: 15.5 %Van Buren County15.5Campbell County: 15.4 %Campbell County15.4Lauderdale County: 15.4 %Lauderdale County15.4Loudon County: 15.4 %Loudon County15.4Cocke County: 15.2 %Cocke County15.2Johnson County: 15.2 %Johnson County15.2McMinn County: 15.2 %McMinn County15.2Meigs County: 15.2 %Meigs County15.2Putnam County: 15.2 %Putnam County15.2Grainger County: 15.1 %Grainger County15.1Lewis County: 15.1 %Lewis County15.1Benton County: 15 %Benton County15Fentress County: 15 %Fentress County15Giles County: 15 %Giles County15Overton County: 15 %Overton County15Polk County: 15 %Polk County15Unicoi County: 15 %Unicoi County15Jackson County: 14.9 %Jackson County14.9
%. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Full ranking

RankCounties2017 (%)Change on 2016
1Sevier County20.6+1.5 pts
2Warren County18.7+1.3 pts
3Bedford County18.3+1.7 pts
4Bledsoe County18.1+1.2 pts
4Clay County18.1+2.8 pts
6Crockett County18+0.5 pts
7Perry County17.8+3.3 pts
8Hamblen County17.7+0.9 pts
9DeKalb County17.6+1.6 pts
10Grundy County17.3-0.3 pts
11Macon County17-1.6 pts
12Davidson County16.7+1.5 pts
12Lawrence County16.7+1.8 pts
14Bradley County16.6+0.3 pts
15Rhea County15.9-0.1 pts
15Union County15.9+0.4 pts
17Hickman County15.8+0.4 pts
18Morgan County15.6+1.3 pts
19Cumberland County15.5+0.4 pts
19Hardeman County15.5+1.6 pts
19Houston County15.5+1.2 pts
19Trousdale County15.5+0.3 pts
19Van Buren County15.5+1.3 pts
24Campbell County15.4+0.8 pts
24Lauderdale County15.4+0.9 pts
24Loudon County15.4+0.2 pts
27Cocke County15.2+1.7 pts
27Johnson County15.2+0.3 pts
27McMinn County15.2+2.4 pts
27Meigs County15.2+0.6 pts
27Putnam County15.2+0.2 pts
32Grainger County15.1+0.4 pts
32Lewis County15.1+0.5 pts
34Benton County15+0.5 pts
34Fentress County15-0.3 pts
34Giles County15+0.8 pts
34Overton County15-0.2 pts
34Polk County15+2 pts
34Unicoi County15+0.8 pts
40Jackson County14.9-0.6 pts
40Shelby County14.9+0.1 pts
42Chester County14.80 pts
42Monroe County14.8-0.7 pts
44Carter County14.7+0.7 pts
44Decatur County14.7-0.2 pts
46Obion County14.6+0.6 pts
47Cannon County14.50 pts
47Hancock County14.5-0.3 pts
47Lake County14.5+0.5 pts
50Scott County14.4+0.1 pts
51Hardin County14.30 pts
51Jefferson County14.3+0.8 pts
51Pickett County14.3+1.4 pts
51Stewart County14.3+0.9 pts
55Haywood County14.2+1.1 pts
55White County14.2+0.2 pts
57Claiborne County14.1+1.9 pts
57Lincoln County14.1+0.4 pts
57McNairy County14.1-0.9 pts
57Wayne County14.1-0.6 pts
61Gibson County14+2.3 pts
62Sequatchie County13.9+0.8 pts
63Coffee County13.8+0.1 pts
63Henderson County13.8-0.1 pts
63Humphreys County13.8+1.8 pts
63Marion County13.8+1.7 pts
67Greene County13.7+0.3 pts
67Henry County13.7-0.8 pts
69Dickson County13.6-0.5 pts
70Carroll County13.5+1.2 pts
70Hawkins County13.5+0.3 pts
70Washington County13.5+1.6 pts
73Hamilton County13.3+1 pts
74Fayette County13.2+2.1 pts
74Maury County13.2+1.7 pts
76Marshall County13.1-0.9 pts
76Roane County13.1+1.1 pts
78Franklin County13-0.5 pts
79Anderson County12.8+1.4 pts
80Sullivan County12.7+0.4 pts
81Smith County12.6-0.2 pts
82Blount County12.50 pts
82Robertson County12.5-0.7 pts
84Cheatham County12.4+0.8 pts
84Dyer County12.4-0.1 pts
84Sumner County12.4+1.4 pts
84Weakley County12.4+0.7 pts
88Knox County12+0.6 pts
89Madison County11.9+0.6 pts
90Rutherford County11.6+0.6 pts
91Montgomery County11.3+0.2 pts
91Tipton County11.3-1.6 pts
93Moore County11.2+0.2 pts
94Wilson County10.5+1.1 pts
95Williamson County7.8+0.8 pts

Other periods

About this ranking

People aged 18 to 64 without health insurance coverage of any kind, as a percentage of all people aged 18 to 64. United States: Census Bureau Small Area Health Insurance Estimates (SAHIE) for states and counties, all races, both sexes and all income levels.

A model-based single-year estimate that combines the American Community Survey with administrative records and population estimates, so every county gets a figure. Covers states and counties only, because the SAHIE dataset files have no national row. The Census Bureau advises comparing years from 2008 on only; 2013 is the updated release. Working-age adults; the rate for everyone under 65 is uninsured_rate_under_65.

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. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip. 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). Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties (Counties in Tennessee by uninsured rate, ages 18 to 64 (US model-based estimate), 2017) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip

MLA 9

Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties, Counties in Tennessee by uninsured rate, ages 18 to 64 (US model-based estimate), 2017. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/tennessee-counties?period=2017. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Counties in Tennessee by uninsured rate, ages 18 to 64 (US model-based estimate), 2017. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/tennessee-counties?period=2017.

Harvard

U.S. Census Bureau (2026) Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties, Counties in Tennessee by uninsured rate, ages 18 to 64 (US model-based estimate), 2017 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-18-64/tennessee-counties?period=2017 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_tennessee_by_2017,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties: Counties in Tennessee by uninsured rate, ages 18 to 64 (US model-based estimate), 2017}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/tennessee-counties?period=2017. Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties: Counties in Tennessee by uninsured rate, ages 18 to 64 (US model-based estimate), 2017
PY  - 2026
DA  - 2026/08/06
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-ages-18-64/tennessee-counties?period=2017
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/tennessee-counties?period=2017.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest uninsured rate, ages 18 to 64 (US model-based estimate)?

Sevier County, with 20.6% in 2017, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, ages 18 to 64 (US model-based estimate)?

Williamson County, with 7.8% in 2017.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Uninsured rate, ages 18 to 64 (US model-based estimate): other rankings

Counties in Tennessee: more rankings