RANKING · 2024 ACS · 500 SHOWN OF 3,144

Highest uninsured rate, US counties

US counties ranked by the share of residents without health insurance (2024 ACS). Oglala Lakota County, South Dakota leads at 44.6%. 3,144 counties qualify in total. Texas carries 14 of the top 25 entries.

All statesAll rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR2020 2024

RANKPLACESTATEPOPUNINSUREDVS 2020

USUnited States334,922,4998.4%–

01Oglala Lakota County, SDSD13,33844.6%+18%

02LaGrange County, ININ41,30544.4%+4%

03Buffalo County, SDSD1,80243.0%+6%

04Holmes County, OHOH44,97041.5%−1%

05Scotland County, MOMO4,79639.0%+16%

06Gaines County, TXTX23,95636.7%+23%

07Aleutians East, AKAK3,47935.6%−10%

08Presidio County, TXTX5,43333.6%+33%

09Lake and Peninsula, AKAK1,35732.2%+24%

10Hudspeth County, TXTX3,43331.4%+3%

11Jim Hogg County, TXTX4,55529.0%+57%

12Starr County, TXTX66,31928.9%−13%

13Bailey County, TXTX6,96328.6%−11%

14Hidalgo County, TXTX921,54928.2%−8%

15Bennett County, SDSD3,30727.7%+16%

16Zapata County, TXTX13,75327.6%+7%

17Jackson County, SDSD2,66627.4%+2%

18Webb County, TXTX281,22427.3%−5%

19Cochran County, TXTX2,54627.2%+16%

20San Saba County, TXTX5,78727.0%+10%

21Terry County, TXTX11,72026.9%+8%

22Sterling County, TXTX1,34926.4%−25%

23Liberty County, TXTX121,36426.2%+12%

24Atkinson County, GAGA8,45426.1%+25%

25Ziebach County, SDSD2,38926.0%−9%

26Cameron County, TXTX433,94625.8%−10%

27Stanton County, KSKS1,98625.8%+32%

28Ochiltree County, TXTX9,28425.6%+8%

29Knox County, MOMO3,72825.5%+26%

30Hamilton County, KSKS2,50025.4%+4%

31Roosevelt County, MTMT10,24225.2%−7%

32Glasscock County, TXTX1,12825.1%+15%

33Lamb County, TXTX12,57925.1%+6%

34Davis County, IAIA9,23025.1%−2%

35Mellette County, SDSD2,13725.0%−33%

36Yakutat, AKAK67224.9%+26%

37Kenedy County, TXTX31924.8%−9%

38Macon County, GAGA11,75624.7%+19%

39Yukon-Koyukuk Census Area, AKAK5,02824.5%+8%

40Dallam County, TXTX7,50824.4%−11%

41Parmer County, TXTX9,67824.1%+48%

42Morgan County, MOMO22,41824.0%+3%

43Willacy County, TXTX19,97123.9%−12%

44Swain County, NCNC14,02423.8%+7%

45Glacier County, MTMT13,46323.6%−36%

46Menard County, TXTX1,95623.6%−23%

47Wheeler County, GAGA7,57023.6%+29%

48Maverick County, TXTX58,82323.4%−20%

49Swisher County, TXTX6,70323.3%+7%

50Floyd County, TXTX4,88123.3%+0%

51Golden Valley County, MTMT84422.9%+129%

52Todd County, SDSD8,86322.8%−22%

53Moore County, TXTX21,89122.8%+16%

54Schleicher County, TXTX2,24522.8%−11%

55Glades County, FLFL13,27022.8%+11%

56Stewart County, GAGA4,63122.6%+81%

57Yoakum County, TXTX7,43822.5%−12%

58Clark County, WIWI35,05222.5%+10%

59Dawson County, TXTX11,77622.5%+40%

60Coal County, OKOK5,43622.4%+6%

61Andrews County, TXTX18,91422.4%+11%

62Duval County, TXTX9,40222.2%+14%

63Castro County, TXTX7,29522.2%−3%

64Rolette County, NDND11,68822.1%−14%

65Ector County, TXTX173,80122.1%+9%

66Collingsworth County, TXTX2,48722.1%−6%

67Manassas Park, VAVA16,56022.1%+28%

68Clinch County, GAGA6,84722.0%+3%

69Jeff Davis County, GAGA15,21921.9%+16%

70Owyhee County, IDID12,66121.9%−1%

71Daviess County, ININ34,20921.9%−14%

72Bastrop County, TXTX118,90821.8%+25%

73Big Horn County, MTMT12,75221.7%−22%

74Kinney County, TXTX3,12821.7%+25%

75Hendry County, FLFL48,27621.7%−11%

76El Paso County, TXTX877,85821.6%+5%

77Titus County, TXTX31,56321.5%+19%

78Webster County, GAGA2,36921.5%+19%

79Platte County, WYWY8,63421.5%+129%

80Dallas County, TXTX2,661,39721.5%+3%

81Brooks County, TXTX6,57921.4%−16%

82Caldwell County, TXTX55,15021.4%−0%

83Lyman County, SDSD3,69421.3%+28%

84Hansford County, TXTX4,94421.3%+22%

85Coleman County, TXTX7,91521.3%−14%

86Dewey County, SDSD5,41921.2%−18%

87Wheeler County, TXTX4,77321.2%+0%

88Sioux County, NDND3,66721.1%−36%

89Echols County, GAGA3,68521.1%−17%

90Deaf Smith County, TXTX18,62621.0%−5%

91Hale County, TXTX31,81921.0%−8%

92Harris County, TXTX5,045,02620.9%+2%

93Jim Wells County, TXTX38,80420.9%+26%

94Shelby County, TXTX24,28620.9%−4%

95Bristol Bay, AKAK84720.8%+29%

96Comanche County, TXTX14,43220.7%+52%

97Motley County, TXTX1,04320.7%+10%

98Telfair County, GAGA11,19520.7%+116%

99Adams County, ININ36,65020.7%+6%

100Baylor County, TXTX3,47220.6%+40%

101Jefferson County, TXTX254,32120.6%+4%

102Throckmorton County, TXTX1,55420.6%+40%

103Colquitt County, GAGA47,43820.5%−7%

104Menominee County, WIWI4,19920.5%−19%

105Todd County, KYKY12,97220.4%+4%

106Crosby County, TXTX4,85220.2%−0%

107Hardee County, FLFL25,93220.1%+72%

108Brantley County, GAGA18,93620.1%+20%

109Waller County, TXTX69,85820.1%+2%

110Wayne County, GAGA32,48120.0%+23%

111Cherokee County, TXTX53,33719.9%−4%

112DeSoto County, FLFL37,07819.9%+3%

113Cimarron County, OKOK2,05919.8%+57%

114Briscoe County, TXTX1,47419.8%−9%

115McCulloch County, TXTX7,47219.8%+4%

116Yates County, NYNY24,54719.7%+18%

117Atascosa County, TXTX53,59019.5%+4%

118Camp County, TXTX13,38019.5%+11%

119Irwin County, GAGA9,02019.5%+8%

120San Augustine County, TXTX7,72219.4%+28%

121Jones County, TXTX20,86119.3%+10%

122Potter County, TXTX114,45319.3%−13%

123Lamar County, TXTX51,50319.3%+14%

124Atoka County, OKOK14,60919.2%+5%

125Culberson County, TXTX2,26719.2%−28%

126Edwards County, TXTX1,37019.2%−9%

127Newton County, TXTX11,95419.2%−9%

128Manassas, VAVA44,33219.2%+15%

129Hockley County, TXTX21,60019.1%+2%

130Gooding County, IDID16,44619.1%+8%

131Foard County, TXTX1,04419.1%+32%

132Hoonah-Angoon Census Area, AKAK2,27119.0%−17%

133Reagan County, TXTX3,16619.0%−14%

134Winkler County, TXTX7,54019.0%−23%

135Baker County, GAGA2,72519.0%+40%

136Ben Hill County, GAGA17,09919.0%−5%

137Oldham County, TXTX1,78318.9%+69%

138Burnet County, TXTX57,01518.9%+11%

139Ward County, TXTX11,12518.9%+18%

140Bee County, TXTX32,51518.8%+1%

141Jasper County, TXTX33,07518.8%−1%

142Upton County, TXTX3,13118.8%+151%

143Bryan County, OKOK51,36718.7%−2%

144Harmon County, OKOK2,32718.7%+7%

145Hopkins County, TXTX39,06318.7%+1%

146San Patricio County, TXTX72,05318.7%+14%

147Uvalde County, TXTX24,96318.7%−7%

148Moniteau County, MOMO15,42818.6%+21%

149Crane County, TXTX4,55418.6%+0%

150Hill County, TXTX39,50318.6%+12%

151Young County, TXTX18,15418.6%−2%

152Aleutians West Census Area, AKAK5,24018.5%+8%

153Adair County, OKOK19,82818.5%−29%

154Pushmataha County, OKOK10,80718.5%−5%

155Anderson County, TXTX59,80518.5%+28%

156McDonald County, MOMO23,99218.4%−13%

157McIntosh County, OKOK19,75818.4%−17%

158Hemphill County, TXTX3,08318.4%−19%

159Navarro County, TXTX57,18118.4%+5%

160Van Zandt County, TXTX66,13018.4%+5%

161Blaine County, MTMT6,86018.3%+20%

162Grimes County, TXTX34,25218.3%+20%

163Live Oak County, TXTX11,92918.3%+3%

164Franklin County, GAGA25,94818.3%+20%

165Apache County, AZAZ64,44518.2%−31%

166Cherokee County, OKOK49,19618.2%−17%

167Roberts County, SDSD10,25518.2%−13%

168Palo Pinto County, TXTX30,79118.2%+7%

169Northwest Arctic, AKAK7,09518.1%−22%

170Marshall County, OKOK16,25518.1%+8%

171Lipscomb County, TXTX2,95518.1%−6%

172Grady County, GAGA26,59018.1%−5%

173Whitfield County, GAGA106,21218.1%+2%

174Garza County, TXTX4,51018.0%+89%

175Gonzales County, TXTX20,15918.0%+0%

176Jack County, TXTX9,56318.0%+13%

177Wheatland County, MTMT2,10017.9%+30%

178Saluda County, SCSC19,68017.9%+11%

179Matagorda County, TXTX36,46317.9%+3%

180Donley County, TXTX3,21317.9%+16%

181Coffee County, GAGA44,40717.9%+15%

182Mitchell County, GAGA20,46717.9%−11%

183Choctaw County, OKOK14,05917.7%−17%

184Angelina County, TXTX88,15417.7%−5%

185Gray County, TXTX20,91917.7%−15%

186San Jacinto County, TXTX29,48817.7%−5%

187Limestone County, TXTX22,84917.7%−6%

188Knox County, TXTX3,19217.7%+7%

189Bosque County, TXTX18,91817.6%+4%

190Clay County, TXTX10,76417.6%+39%

191Nueces County, TXTX352,99217.6%−1%

192Calhoun County, FLFL13,28917.6%+9%

193La Salle County, TXTX6,51717.5%−25%

194Mitchell County, TXTX8,94717.5%+1%

195Rains County, TXTX13,54217.5%−3%

196Reeves County, TXTX12,13817.5%−18%

197Fremont County, WYWY39,46417.5%−9%

198Val Verde County, TXTX47,83517.5%−20%

199San Juan County, UTUT14,54217.5%−13%

200Le Flore County, OKOK50,19617.4%−9%

201Concho County, TXTX3,60717.4%+164%

202Van Buren County, IAIA7,13117.4%+54%

203Haskell County, KSKS3,59917.4%−3%

204Bledsoe County, TNTN15,92017.3%+5%

205Kerr County, TXTX54,03717.3%+1%

206Marion County, GAGA7,67617.3%+36%

207Leon County, TXTX16,89417.2%−10%

208Okeechobee County, FLFL42,60817.2%+12%

209Victoria County, TXTX92,65617.2%−1%

210Daviess County, MOMO8,55817.1%+15%

211Seminole County, OKOK23,44117.1%−18%

212Charles Mix County, SDSD9,30317.1%−11%

213Martin County, TXTX5,28417.1%+109%

214Wood County, TXTX49,68817.1%+8%

215Dixie County, FLFL18,03817.1%+1%

216Lanier County, GAGA10,62317.1%+35%

217Clark County, IDID78317.1%−35%

218Prince of Wales-Hyder Census Area, AKAK5,77717.0%−23%

219DeWitt County, TXTX20,30917.0%+21%

220Hunt County, TXTX123,33617.0%+6%

221Panola County, TXTX23,01817.0%+4%

222Clayton County, GAGA297,47117.0%−7%

223Jefferson County, GAGA15,01117.0%+35%

224Wyandotte County, KSKS170,59717.0%−1%

225Sharkey County, MSMS3,09716.9%−4%

226Corson County, SDSD3,78116.9%−30%

227Falls County, TXTX17,86916.9%+16%

228Smith County, TXTX252,54916.9%+2%

229Ware County, GAGA36,90616.8%+7%

230McKinley County, NMNM68,11916.8%−16%

231Caddo County, OKOK26,13016.8%−5%

232Jackson County, TXTX15,39316.8%−7%

233Scurry County, TXTX16,16216.8%−15%

234Appling County, GAGA19,10016.8%+37%

235Austin County, TXTX33,62516.7%+14%

236Henderson County, TXTX88,59516.7%−10%

237Runnels County, TXTX9,69316.7%+28%

238Tarrant County, TXTX2,248,46616.7%+2%

239Franklin County, FLFL13,02916.7%−11%

240Greene County, NCNC20,70016.6%+9%

241Gregg County, TXTX126,09516.5%−7%

242Hartley County, TXTX4,90416.5%−12%

243Pecos County, TXTX14,56016.5%−14%

244Red River County, TXTX11,81616.5%+13%

245Hall County, GAGA226,56816.5%−2%

246Oregon County, MOMO8,70916.3%+5%

247Johnson County, TXTX218,04816.3%−2%

248Sherman County, TXTX2,78116.3%−6%

249Pontotoc County, OKOK38,52816.3%−6%

250Fergus County, MTMT11,82516.2%+50%

251Rosebud County, MTMT8,25316.2%−2%

252Haskell County, TXTX5,49916.2%−9%

253Real County, TXTX2,74516.2%−29%

254Kleberg County, TXTX30,31516.2%+5%

255Grundy County, MOMO9,74416.2%−7%

256Charlton County, GAGA13,12116.2%−8%

257Grant County, KSKS7,02816.2%+4%

258Garvin County, OKOK26,37716.1%−9%

259Haskell County, OKOK11,78716.1%−10%

260Cooke County, TXTX44,46116.1%+5%

261Lee County, TXTX18,72916.1%+5%

262Refugio County, TXTX6,65716.1%+13%

263Brooks County, GAGA16,10116.1%+5%

264Douglas County, SDSD2,88816.0%+3%

265Bexar County, TXTX2,160,08816.0%+1%

266Trinity County, TXTX14,38416.0%−17%

267Emanuel County, GAGA23,14716.0%−15%

268Toombs County, GAGA27,54516.0%−11%

269Adams County, WAWA21,48816.0%+1%

270Dillingham Census Area, AKAK4,48315.9%−15%

271Navajo County, AZAZ109,94615.9%+18%

272Dallas County, MOMO18,02515.9%+3%

273Wilkinson County, MSMS7,58215.9%+9%

274Clay County, NCNC12,23915.9%+7%

275Mountrail County, NDND9,39515.9%−5%

276Ottawa County, OKOK30,43815.9%−9%

277Chambers County, TXTX57,59415.9%+42%

278Hardin County, TXTX58,72315.9%−1%

279Ford County, KSKS33,99315.9%+28%

280Noxubee County, MSMS9,79815.8%−2%

281Perry County, MSMS11,57715.8%+10%

282Jackson County, NCNC45,03915.8%+10%

283Karnes County, TXTX15,01815.8%+7%

284Llano County, TXTX23,35315.8%−5%

285Sutton County, TXTX3,20315.8%−9%

286Grayson County, TXTX153,61315.7%−1%

287Milam County, TXTX26,25815.7%+0%

288Tyler County, TXTX20,44315.7%−9%

289Yuma County, COCO9,89615.7%+32%

290Gadsden County, FLFL44,29815.7%+22%

291Evans County, GAGA11,02815.7%−12%

292Dent County, MOMO14,58415.6%+1%

293Ripley County, MOMO10,71715.6%−1%

294Hyde County, NCNC4,55415.6%−20%

295Sampson County, NCNC61,50415.6%+1%

296Hall County, TXTX2,73715.6%−29%

297Garfield County, COCO63,47415.6%−12%

298Madison County, GAGA32,91915.6%+8%

299Hardeman County, TXTX3,29215.6%+19%

300Wichita County, TXTX129,55515.6%+5%

301DeKalb County, ALAL74,08515.5%+13%

302Greene County, MSMS13,70715.5%+31%

303Leake County, MSMS21,66215.5%+12%

304Schuyler County, MOMO4,14015.5%−1%

305Webster County, MOMO43,05415.5%+0%

306Latimer County, OKOK9,64515.5%−21%

307Callahan County, TXTX14,49115.5%−14%

308Tom Green County, TXTX120,60215.5%+17%

309Brown County, TXTX38,71115.5%+5%

310Kemper County, MSMS8,60015.4%+20%

311Nacogdoches County, TXTX66,03515.4%−13%

312Brewster County, TXTX9,45815.4%−15%

313Barrow County, GAGA99,77315.4%+1%

314Gordon County, GAGA61,70115.4%−7%

315Douglas County, ILIL19,88015.4%−3%

316Walker County, TXTX83,84215.4%+25%

317Lake County, TNTN6,24915.3%−2%

318Eastland County, TXTX18,14315.3%−8%

319Cook County, GAGA18,23215.3%−19%

320Wilkes County, GAGA9,54015.3%+16%

321Santa Cruz County, AZAZ50,02015.2%+30%

322Wayne County, MSMS19,80715.2%+11%

323Nowata County, OKOK9,52215.2%−13%

324Erath County, TXTX43,91115.2%+2%

325Terrell County, TXTX70215.2%+57%

326San Miguel County, COCO7,75315.2%+58%

327Gwinnett County, GAGA1,018,09915.2%−3%

328Beaver County, UTUT7,30115.2%+48%

329Van Buren County, TNTN6,87415.1%+6%

330Claiborne County, MSMS8,05815.1%−21%

331Dunklin County, MOMO26,85515.1%−11%

332Sequoyah County, OKOK40,84215.1%−25%

333Montgomery County, TXTX781,19415.1%+3%

334Candler County, GAGA11,27515.1%−18%

335Frio County, TXTX18,82315.1%−22%

336McCurtain County, OKOK30,74415.0%−32%

337Colleton County, SCSC39,38215.0%+18%

338Ellis County, TXTX240,86715.0%−4%

339McMullen County, TXTX54415.0%−40%

340Duplin County, NCNC51,57115.0%−10%

341Kaufman County, TXTX209,23515.0%+12%

342Franklin County, TXTX10,99415.0%−3%

343Vernon County, WIWI31,44315.0%+6%

344Sevier County, ARAR15,75814.9%−7%

345Bacon County, GAGA11,07014.9%−22%

346Tallahatchie County, MSMS10,87714.9%+6%

347Lincoln County, MTMT22,32814.9%+57%

348Lea County, NMNM74,74914.9%+14%

349Craig County, OKOK14,51814.9%−5%

350Mayes County, OKOK40,41614.9%−10%

351Polk County, TNTN18,59214.9%+6%

352Orange County, TXTX86,26614.9%−8%

353Wise County, TXTX83,77814.9%−13%

354Zavala County, TXTX9,03714.9%−8%

355Berrien County, GAGA18,93214.9%−31%

356Power County, IDID8,24614.9%+3%

357Parke County, ININ16,64214.9%+10%

358Okanogan County, WAWA45,23014.9%+32%

359Southeast Fairbanks Census Area, AKAK7,27014.8%−12%

360Irion County, TXTX1,46314.8%+1%

361Pittsburg County, OKOK43,32014.8%−9%

362Quitman County, GAGA2,25414.8%−40%

363Cedar County, MOMO14,88814.8%−12%

364Dunn County, NDND4,05814.8%−23%

365Bartow County, GAGA120,80014.8%−1%

366Seminole County, GAGA9,16214.8%−19%

367Jerome County, IDID26,36214.8%−19%

368Johnston County, OKOK10,44814.7%+0%

369Blanco County, TXTX13,58114.7%+1%

370Walton County, FLFL93,28814.7%+2%

371Carter County, MOMO5,41814.6%−19%

372Taney County, MOMO57,00114.6%−8%

373Bedford County, TNTN55,27314.6%+29%

374Dodge County, GAGA19,66314.6%+38%

375Gilmer County, GAGA33,89414.6%−22%

376Jenkins County, GAGA8,84314.6%−20%

377Stephens County, GAGA27,85414.6%−3%

378Twiggs County, GAGA7,59714.6%+42%

379Lake County, MTMT33,39214.5%+7%

380Jasper County, SCSC38,53314.5%−8%

381Jeff Davis County, TXTX1,71114.5%−40%

382Midland County, TXTX187,85514.5%−14%

383Montague County, TXTX21,96614.5%−5%

384Dimmit County, TXTX8,02414.5%−32%

385Terrell County, GAGA8,65614.5%−19%

386Hamilton County, FLFL14,18014.5%−11%

387Crisp County, GAGA19,23714.5%−23%

388Habersham County, GAGA50,41614.5%−1%

389Tift County, GAGA42,25414.5%−21%

390Teton County, IDID13,25414.5%+53%

391Washington County, TXTX38,28814.5%+24%

392Polk County, TXTX53,43414.4%−19%

393Kimball County, NENE3,39114.4%+0%

394Hughes County, OKOK13,45514.4%−26%

395Vernon County, MOMO19,94614.4%−3%

396Bay County, FLFL204,47914.4%+6%

397Fannin County, GAGA26,11114.4%+22%

398Carter County, OKOK48,91014.3%−12%

399Lawrence County, TNTN46,91414.3%+1%

400Lewis County, TNTN13,48714.3%+46%

401Fannin County, TXTX39,26514.3%−18%

402Marion County, TXTX9,89614.3%+43%

403Lowndes County, GAGA122,86714.3%−6%

404Benewah County, IDID10,50814.3%+28%

405Carroll County, ARAR29,26314.2%+23%

406Robeson County, NCNC119,94114.2%+0%

407Childress County, TXTX6,64314.2%−16%

408Hood County, TXTX70,50114.2%+4%

409McLennan County, TXTX272,02014.2%−1%

410Idaho County, IDID17,87414.2%+9%

411Calhoun County, GAGA5,41314.2%−7%

412Elkhart County, ININ208,77414.2%−5%

413Stevens County, KSKS4,98414.2%−14%

414Hardin County, TNTN27,98314.2%+16%

415Wharton County, TXTX42,06014.2%−26%

416Polk County, MOMO33,60414.1%+1%

417Harper County, OKOK3,17214.1%−1%

418Tripp County, SDSD5,70814.1%+68%

419Taylor County, TXTX150,07714.1%−1%

420Harrison County, TXTX71,95614.1%−10%

421Putnam County, FLFL77,73414.1%−14%

422Washington County, FLFL26,69514.1%−11%

423Moultrie County, ILIL14,37114.1%−1%

424Nome Census Area, AKAK9,83014.0%−27%

425Yuma County, AZAZ224,44914.0%+11%

426Lawrence County, MOMO39,40114.0%+1%

427Jefferson County, OKOK5,43114.0%−7%

428Bell County, TXTX402,24814.0%+4%

429Sumter County, GAGA28,80114.0%+15%

430Boundary County, IDID13,99714.0%−25%

431Rabun County, GAGA17,76413.9%−17%

432Gentry County, MOMO6,38413.9%+22%

433Tyrrell County, NCNC3,53713.9%+11%

434Wayne County, OHOH116,75813.9%+9%

435Muskogee County, OKOK66,70813.9%−15%

436Archer County, TXTX9,12913.9%−8%

437Gillespie County, TXTX28,52713.9%−30%

438Lubbock County, TXTX328,90613.9%+5%

439Greene County, GAGA21,36713.9%−16%

440Tattnall County, GAGA24,37613.9%−9%

441Alleghany County, NCNC11,47913.8%+30%

442Stephens County, TXTX9,38013.8%−31%

443Upshur County, TXTX44,41013.8%−9%

444Weston County, WYWY6,84013.8%+17%

445Highlands County, FLFL111,12213.8%+12%

446Burke County, GAGA24,40813.8%+37%

447Decatur County, GAGA29,43213.8%−15%

448Heard County, GAGA12,14913.8%+15%

449Johnson County, GAGA9,31013.8%−9%

450Murray County, GAGA41,60713.8%−8%

451Juniata County, PAPA23,40313.8%+20%

452Greene County, ALAL7,06713.7%−17%

453Sierra County, CACA3,09813.7%+85%

454Lake County, COCO7,55213.7%−9%

455Early County, GAGA10,45513.7%−29%

456Audrain County, MOMO24,52813.7%+21%

457Sanders County, MTMT14,06213.7%+41%

458Macon County, NCNC39,23213.7%+2%

459Delaware County, OKOK41,91013.7%−28%

460Marion County, SCSC28,24213.7%−1%

461Kimble County, TXTX4,43813.7%−30%

462Rusk County, TXTX54,85413.7%−18%

463Oklahoma County, OKOK822,12513.7%−3%

464Montgomery County, GAGA8,63513.7%−13%

465Union County, GAGA27,85913.7%+4%

466Wilcox County, GAGA8,79713.7%−19%

467Harrison County, MOMO8,28113.6%+53%

468Okfuskee County, OKOK11,45113.6%−36%

469Conejos County, COCO7,52913.6%+17%

470Miami-Dade County, FLFL2,802,02913.6%−16%

471Bibb County, GAGA157,55613.6%+12%

472Galveston County, TXTX372,20713.6%+5%

473Howard County, TXTX30,50413.6%−19%

474Grant County, WAWA105,72713.6%+15%

475North Slope, AKAK10,58213.5%−31%

476Marion County, MSMS24,00113.5%−11%

477Wayne County, MOMO10,78213.5%+4%

478Wright County, MOMO19,67113.5%−20%

479Cass County, TXTX28,65113.5%−1%

480Hamilton County, TXTX8,68013.5%−18%

481Mason County, TXTX3,99013.5%−7%

482Floyd County, GAGA101,37813.5%−9%

483Washington County, GAGA19,45313.5%+21%

484Copper River Census Area, AKAK2,66613.4%−33%

485Johnson County, TNTN18,71813.4%+6%

486Perry County, TNTN9,12613.4%−11%

487Bowie County, TXTX92,69613.4%−1%

488Goliad County, TXTX7,20813.4%+37%

489Shackelford County, TXTX3,19713.4%−11%

490Minidoka County, IDID22,91113.4%−28%

491Sevier County, TNTN101,34213.3%−4%

492Clarke County, MSMS15,10213.3%+4%

493Texas County, MOMO25,99413.3%−26%

494Hidalgo County, NMNM3,92913.3%+196%

495Anson County, NCNC21,75813.3%+29%

496Tulsa County, OKOK698,78213.3%−6%

497Nolan County, TXTX14,11713.3%−22%

498Pike County, GAGA20,93213.3%+12%

499Montrose County, COCO44,59113.3%+15%

500Bandera County, TXTX22,87613.3%−22%

SHOWING 1–500 OF 3,144

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Download CSV (full list, 3,144 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES

Frequently asked

Which county has the highest uninsured?

Oglala Lakota County, South Dakota ranks #1 with 44.6% (2024 American Community Survey).

What are the top 5 counties by uninsured?

Oglala Lakota County, South Dakota, LaGrange County, Indiana, Buffalo County, South Dakota, Holmes County, Ohio, Scotland County, Missouri.

How many counties are in this ranking?

3,144 counties qualify after filtering for population minimums and data availability. The ranking covers 2024 ACS 5-year data.

How is uninsured measured?

Share of residents without health insurance. Source: US Census Bureau, American Community Survey 5-year estimates (2024).