Data / Rankings / Uninsured rate, under 65 (US model-based estimate) / US counties

US counties by uninsured rate, under 65 (US model-based estimate)

Gaines County had the highest uninsured rate, under 65 (US model-based estimate) of 3132 counties in 2017, at 33.7%. Norfolk County had the lowest, at 2.3%. The median was 10.6%. Source: the U.S. Census Bureau.

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Highest33.7Gaines County
Lowest2.3Norfolk County
Median10.63132 counties

Map of counties, 2017

%, 2017. Hatched areas have no value for this period. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2017

Gaines County: 33.7 %Gaines County33.7Collingsworth County: 32.7 %Collingsworth County32.7Briscoe County: 31.4 %Briscoe County31.4Hidalgo County: 31.2 %Hidalgo County31.2Dallam County: 30.5 %Dallam County30.5Sherman County: 29.6 %Sherman County29.6Lipscomb County: 29.5 %Lipscomb County29.5Jeff Davis County: 29.4 %Jeff Davis County29.4Zapata County: 29.2 %Zapata County29.2Cameron County: 29 %Cameron County29Presidio County: 29 %Presidio County29Castro County: 28.9 %Castro County28.9San Saba County: 28.9 %San Saba County28.9Starr County: 28.9 %Starr County28.9Parmer County: 28.7 %Parmer County28.7Ochiltree County: 28.6 %Ochiltree County28.6Webb County: 28.6 %Webb County28.6Cochran County: 28.5 %Cochran County28.5Hudspeth County: 28.5 %Hudspeth County28.5Mason County: 28.1 %Mason County28.1Aleutians East Borough: 27.9 %Aleutians East Borough27.9Moore County: 27.7 %Moore County27.7Terrell County: 27.7 %Terrell County27.7Echols County: 27.6 %Echols County27.6Cottle County: 27.4 %Cottle County27.4Bailey County: 27.3 %Bailey County27.3Throckmorton County: 27.3 %Throckmorton County27.3Hall County: 27 %Hall County27Maverick County: 27 %Maverick County27Hayes County: 26.9 %Hayes County26.9Hendry County: 26.9 %Hendry County26.9Hardeman County: 26.7 %Hardeman County26.7Hansford County: 26.4 %Hansford County26.4Clark County: 26.2 %Clark County26.2Culberson County: 26.1 %Culberson County26.1Stephens County: 26.1 %Stephens County26.1Glades County: 25.9 %Glades County25.9Harper County: 25.9 %Harper County25.9Mills County: 25.8 %Mills County25.8Menard County: 25.6 %Menard County25.6Gaines County: 33.7 %Gaines County33.7Collingsworth County: 32.7 %Collingsworth County32.7Briscoe County: 31.4 %Briscoe County31.4Hidalgo County: 31.2 %Hidalgo County31.2Dallam County: 30.5 %Dallam County30.5Sherman County: 29.6 %Sherman County29.6Lipscomb County: 29.5 %Lipscomb County29.5Jeff Davis County: 29.4 %Jeff Davis County29.4Zapata County: 29.2 %Zapata County29.2Cameron County: 29 %Cameron County29Presidio County: 29 %Presidio County29Castro County: 28.9 %Castro County28.9San Saba County: 28.9 %San Saba County28.9Starr County: 28.9 %Starr County28.9Parmer County: 28.7 %Parmer County28.7Ochiltree County: 28.6 %Ochiltree County28.6Webb County: 28.6 %Webb County28.6Cochran County: 28.5 %Cochran County28.5Hudspeth County: 28.5 %Hudspeth County28.5Mason County: 28.1 %Mason County28.1Aleutians East Borough: 27.9 %Aleutians East Borough27.9Moore County: 27.7 %Moore County27.7Terrell County: 27.7 %Terrell County27.7Echols County: 27.6 %Echols County27.6Cottle County: 27.4 %Cottle County27.4Bailey County: 27.3 %Bailey County27.3Throckmorton County: 27.3 %Throckmorton County27.3Hall County: 27 %Hall County27Maverick County: 27 %Maverick County27Hayes County: 26.9 %Hayes County26.9Hendry County: 26.9 %Hendry County26.9Hardeman County: 26.7 %Hardeman County26.7Hansford County: 26.4 %Hansford County26.4Clark County: 26.2 %Clark County26.2Culberson County: 26.1 %Culberson County26.1Stephens County: 26.1 %Stephens County26.1Glades County: 25.9 %Glades County25.9Harper County: 25.9 %Harper County25.9Mills County: 25.8 %Mills County25.8Menard County: 25.6 %Menard County25.6
%. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Full ranking

RankCounties2017 (%)Change on 2016
1Gaines County33.7+2.8 pts
2Collingsworth County32.7+3 pts
3Briscoe County31.4+0.3 pts
4Hidalgo County31.2+1.5 pts
5Dallam County30.5+4.5 pts
6Sherman County29.6+2 pts
7Lipscomb County29.5+5.1 pts
8Jeff Davis County29.4+0.5 pts
9Zapata County29.2+0.3 pts
10Cameron County29-0.5 pts
10Presidio County29+0.1 pts
12Castro County28.9+1.3 pts
12San Saba County28.9+2.5 pts
12Starr County28.9+0.7 pts
15Parmer County28.7+3.6 pts
16Ochiltree County28.6+2 pts
16Webb County28.6+1.1 pts
18Cochran County28.5+0.1 pts
18Hudspeth County28.5-2.5 pts
20Mason County28.1+1.4 pts
21Aleutians East Borough27.9-5.6 pts
22Moore County27.7+1.9 pts
22Terrell County27.7+6.1 pts
24Echols County27.6+0.8 pts
25Cottle County27.4+1.1 pts
26Bailey County27.3+0.9 pts
26Throckmorton County27.3+6.3 pts
28Hall County27-2.5 pts
28Maverick County27-0.5 pts
30Hayes County26.9+4 pts
30Hendry County26.9+2 pts
32Hardeman County26.7+2.5 pts
33Hansford County26.4-0.3 pts
34Clark County26.2-1.2 pts
35Culberson County26.1+0.8 pts
35Stephens County26.1+3.3 pts
37Glades County25.9+0.2 pts
37Harper County25.9+3.6 pts
39Mills County25.8+1.8 pts
40Menard County25.6-0.7 pts
40Schleicher County25.6+2.9 pts
42Haskell County25.3+3 pts
42Lake and Peninsula Borough25.3-2.7 pts
44Comanche County25.2+0.7 pts
44Deaf Smith County25.2+1.2 pts
44Titus County25.2+0.9 pts
47Cimarron County25.1+1.9 pts
47Lamb County25.1+0.8 pts
49Gonzales County25+0.1 pts
49Knox County25+2.5 pts
51Garza County24.9+2.6 pts
51Jackson County24.9+3.7 pts
51LaGrange County24.9+2.9 pts
54Wheeler County24.8+3.5 pts
55Leon County24.7+2.2 pts
56Edwards County24.6+0.1 pts
56Shelby County24.6-0.6 pts
58Adair County24.5+2 pts
58Dickens County24.5+0.5 pts
58Foard County24.5+0.4 pts
58Terry County24.5+0.3 pts
62Cherokee County24.4+2.9 pts
62Jack County24.4+3.5 pts
64Hamilton County24.3+1.4 pts
65Harmon County24.2+3.7 pts
65Yoakum County24.2+0.6 pts
67King County24.1+3.8 pts
67Northwest Arctic Borough24.1+0.1 pts
67Waller County24.1+0.2 pts
67Yukon-Koyukuk Census Area24.1-3.5 pts
71Hemphill County24+3.7 pts
72Delaware County23.9+2.3 pts
72Gray County23.9+1.5 pts
72Holmes County23.9+4.1 pts
75Gillespie County23.8+0.2 pts
76Colquitt County23.6+0.8 pts
76Floyd County23.6+0.8 pts
76Montague County23.6+2.1 pts
79Potter County23.5+0.4 pts
80Erath County23.4+1.6 pts
80Hamilton County23.4+2.1 pts
80Reagan County23.4+1.7 pts
83Owyhee County23.2+0.4 pts
83Prince of Wales-Hyder Census Area23.2-1.1 pts
85DeSoto County23.1+0.1 pts
85Hale County23.1+0.1 pts
85Mellette County23.1+4.3 pts
85San Jacinto County23.1+1.6 pts
85Young County23.1+1.9 pts
85Ziebach County23.1+4.9 pts
91Coleman County23+2.6 pts
91Dallas County23+1.4 pts
91Whitfield County23+1.5 pts
94Hoonah-Angoon Census Area22.9-2.4 pts
94Marshall County22.9+1 pts
94Nacogdoches County22.9+1.7 pts
94Pecos County22.9+1.3 pts
94Val Verde County22.9+0.4 pts
99Collier County22.8+1.2 pts
99Grimes County22.8+1.8 pts
99Kenedy County22.8+2.7 pts
99Scotland County22.8+4.5 pts
103Martin County22.7+1.6 pts
103Wise County22.7+5.1 pts
105El Paso County22.6+1.4 pts
105Rains County22.6+1.4 pts
105Upton County22.6+2.1 pts
108Gilmer County22.5-0.6 pts
108Kerr County22.5+2.3 pts
108Okeechobee County22.5+0.7 pts
108Polk County22.5+0.6 pts
108Real County22.5-2 pts
108Swisher County22.5-0.4 pts
108Uvalde County22.50 pts
115Atkinson County22.4-1.8 pts
115Navarro County22.4+0.9 pts
117Aransas County22.3+1 pts
117Bosque County22.3-0.4 pts
117Reeves County22.3+1.5 pts
117Sterling County22.3+3.3 pts
117Stonewall County22.3+3.9 pts
117Willacy County22.3-0.5 pts
123Colorado County22.2+2.6 pts
123Crockett County22.2+1.5 pts
123Frio County22.2+2.1 pts
123Kinney County22.2+1.6 pts
127Andrews County22.1+3.9 pts
127Crosby County22.1+0.5 pts
127Eastland County22.1+1.3 pts
127Falls County22.1+2.4 pts
127Harris County22.1+1.4 pts
132Hopkins County22+0.8 pts
132Lee County22+3.4 pts
132Motley County22-3.7 pts
132Palo Pinto County22+0.5 pts
136Fannin County21.9+0.8 pts
136Glasscock County21.9+1.7 pts
136Haskell County21.9+2.6 pts
136Wilbarger County21.9+2.6 pts
140Bastrop County21.8+0.7 pts
140Bennett County21.8+0.9 pts
140Madison County21.8-0.2 pts
140Matagorda County21.8+1.8 pts
140Sutton County21.8+1.1 pts
145Angelina County21.7+1.9 pts
145Caldwell County21.7+0.8 pts
145Corson County21.7+3 pts
145Hall County21.7+1.7 pts
145Liberty County21.7+1.1 pts
145Wharton County21.7+0.2 pts
145Winkler County21.7+2.6 pts
152Cherokee County21.6-0.9 pts
152Kimble County21.6-0.7 pts
152Texas County21.6-0.2 pts
155Blanco County21.5-0.9 pts
155Sabine County21.5+2.3 pts
157Gordon County21.4+1.3 pts
158Burnet County21.3+1.5 pts
158Coal County21.3+1.7 pts
158Gregg County21.3+1.8 pts
158McCurtain County21.3+0.5 pts
158Rabun County21.3-0.7 pts
158Van Zandt County21.3-0.8 pts
158Ward County21.3+1.9 pts
165Camp County21.2+0.6 pts
165Dawson County21.2-0.6 pts
165Henderson County21.20 pts
165McCulloch County21.2+0.4 pts
165Mitchell County21.2+1.1 pts
165Nome Census Area21.2-0.3 pts
171Concho County21.1+2.7 pts
171Ector County21.1+0.2 pts
171Hill County21.1-1.5 pts
171Limestone County21.1+0.4 pts
171Loving County21.1-0.1 pts
171Southeast Fairbanks Census Area21.1-0.3 pts
177Choctaw County21+0.1 pts
177Haskell County21-0.1 pts
177Pushmataha County21+1.1 pts
177Runnels County21+1 pts
181Hartley County20.9-0.3 pts
182Candler County20.8+0.3 pts
182Fisher County20.8+3.1 pts
182Grady County20.8+1.2 pts
182Live Oak County20.8+1.3 pts
186Atoka County20.7-0.6 pts
186Cooke County20.7+0.3 pts
186Llano County20.7+1.3 pts
186McIntosh County20.70 pts
186Shackelford County20.70 pts
191Fayette County20.6+1.3 pts
191Hockley County20.6+0.9 pts
191Nowata County20.6+2 pts
194Jerome County20.5+2.4 pts
194Murray County20.5+1.2 pts
194Rusk County20.5-0.2 pts
194Scott County20.5+1.3 pts
194Wood County20.5+0.5 pts
199Beaver County20.4+1.8 pts
199Childress County20.4+3.7 pts
199Donley County20.4-1.8 pts
199Hughes County20.4+1.2 pts
199Jasper County20.4+2.3 pts
199Trinity County20.4-1.3 pts
205Caddo County20.3-0.3 pts
205Custer County20.3+0.1 pts
205Hutchinson County20.3+0.8 pts
205McDonald County20.3-1.6 pts
205Monroe County20.3+0.6 pts
205Sequoyah County20.3+0.4 pts
211Aleutians West Census Area20.2-2.1 pts
211Austin County20.2+1.9 pts
211Crane County20.2+0.4 pts
211Dewey County20.2+3.2 pts
211Jefferson County20.2+0.2 pts
211Jim Wells County20.2+1.1 pts
211Lampasas County20.2+0.9 pts
211Le Flore County20.2-2.1 pts
211Milam County20.2+0.7 pts
220Fremont County20.1-1.1 pts
220Greene County20.1+1.4 pts
220Houston County20.1+1 pts
220Kemper County20.1+1.1 pts
224Avery County20+1.5 pts
224Coke County20+2.8 pts
224Duval County20+1.3 pts
224Hardee County20-1.1 pts
224Jefferson County20+2.4 pts
224Miami-Dade County20+0.6 pts
230Dewey County19.9+1 pts
230Freestone County19.9-0.4 pts
230Glacier County19.9-1.1 pts
230Johnston County19.9+2.2 pts
230Lumpkin County19.9+2 pts
230McMullen County19.9+3.8 pts
230Tillman County19.9+0.9 pts
230Wichita County19.9+0.6 pts
238Bethel Census Area19.8-4.1 pts
238Big Horn County19.8+2.1 pts
238Brewster County19.8+2.1 pts
238Burleson County19.8+0.7 pts
238La Paz County19.8+0.2 pts
238Lafayette County19.8-0.5 pts
238Midland County19.8+2.3 pts
238Okfuskee County19.8+1.1 pts
238Pittsburg County19.8+3.3 pts
238Smith County19.8+1.4 pts
238Taliaferro County19.8+0.6 pts
249Gooding County19.7-0.2 pts
249Kleberg County19.7-1.3 pts

Showing the top 250 of 3132. The Excel download has every row.

Other periods

About this ranking

People under 65 without health insurance coverage of any kind, as a percentage of all people under 65. 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. People 65 and over are left out because nearly all of them have Medicare.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. 11 counties with data in other periods have no value for 2017 and are left out rather than filled from another source. Equal values share a rank.

How to cite

U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, 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, under 65, all races, both sexes, all income levels, states and counties (US counties by uninsured rate, under 65 (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, under 65, all races, both sexes, all income levels, states and counties, US counties by uninsured rate, under 65 (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-under-65/us-counties?period=2017. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. US counties by uninsured rate, under 65 (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-under-65/us-counties?period=2017.

Harvard

U.S. Census Bureau (2026) Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties, US counties by uninsured rate, under 65 (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-under-65/us-counties?period=2017 (Accessed: 12 October 2026).

BibTeX
@misc{census_us_counties_by_uninsured_2017,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties: US counties by uninsured rate, under 65 (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-under-65/us-counties?period=2017. Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, 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, under 65, all races, both sexes, all income levels, states and counties: US counties by uninsured rate, under 65 (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-under-65/us-counties?period=2017
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/us-counties?period=2017.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, 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, under 65 (US model-based estimate)?

Gaines County, with 33.7% in 2017, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, under 65 (US model-based estimate)?

Norfolk County, with 2.3% 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, under 65, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12. 11 counties have no value for 2017 and are not ranked.

Uninsured rate, under 65 (US model-based estimate): other rankings

US counties: more rankings