RANKING · 2024 ACS · 500 SHOWN OF 3,144

Most uninsured people, US counties

US counties with the most residents lacking health insurance, as of the 2024 American Community Survey. Ranked by number of people, not the uninsured rate. Harris County, Texas leads at 1,005,342. 3,144 counties qualify in total. Texas carries 7 of the top 25 entries. The median across all 3,144 is 2,119. Biggest climber in the top 100 since 2020: Pinal County, AZ, up 36 places to #97.

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR2020 2024

RANKPLACESTATEPOPUNINSURED RESIDENTSVS 2020

USUnited States8.3% of US population334,922,49927,734,911–

01Harris County, TXTX5,045,0261,005,342+6%

02Los Angeles County, CACA9,694,934800,248−12%

03Dallas County, TXTX2,661,397558,186+3%

04Maricopa County, AZAZ4,689,558478,4190%

05Cook County, ILIL5,194,625454,597+1%

06Miami-Dade County, FLFL2,802,029368,969−15%

07Tarrant County, TXTX2,248,466359,852+7%

08Bexar County, TXTX2,160,088323,074+4%

09▲2Clark County, NVNV2,407,226280,274+8%

10Hidalgo County, TXTX921,549249,883−4%

11▼2Broward County, FLFL2,013,317244,680−11%

12San Diego County, CACA3,282,248203,475−17%

13Orange County, CACA3,149,507202,047−10%

14▲2Palm Beach County, FLFL1,575,726200,373+1%

15▼1Riverside County, CACA2,544,916189,888−7%

16▼1Queens County, NYNY2,358,182188,936−6%

17▲4El Paso County, TXTX877,858182,797+10%

18▼1Orange County, FLFL1,528,002175,523−2%

19San Bernardino County, CACA2,224,091173,351−1%

20▼2Hillsborough County, FLFL1,574,115167,911−5%

21▲1Travis County, TXTX1,389,670160,065+5%

22▼2Kings County, NYNY2,653,963152,898−11%

23Gwinnett County, GAGA1,018,099147,756+2%

24Mecklenburg County, NCNC1,233,383132,127+6%

25▲2King County, WAWA2,344,939119,199+2%

26▲12Franklin County, OHOH1,361,536116,715+16%

27▼1Philadelphia County, PAPA1,574,281111,385−7%

28▲5Collin County, TXTX1,297,179110,313+4%

29▲2Duval County, FLFL1,062,963110,121+1%

30▼2Salt Lake County, UTUT1,220,916109,550−4%

31▼6Cameron County, TXTX433,946109,395−9%

32Shelby County, TNTN910,226108,730+2%

33▼3Oklahoma County, OKOK822,125108,398−2%

34▲9Prince George's County, MDMD970,374108,313+17%

35▲2Lee County, FLFL875,607105,022+5%

36▲4Fort Bend County, TXTX975,191103,492+7%

37▲5Denton County, TXTX1,069,346103,414+11%

38▲13Montgomery County, TXTX781,194102,877+19%

39▼5Fulton County, GAGA1,098,791101,723−3%

40▲10Essex County, NJNJ896,379101,587+15%

41▼5Pinellas County, FLFL948,56399,098−4%

42▼13Bronx County, NYNY1,406,33299,033−12%

43▼8Wayne County, MIMI1,769,03898,765−5%

44▲5Polk County, FLFL874,79097,022+7%

45▼6DeKalb County, GAGA774,39496,640−3%

46▼2Cobb County, GAGA793,34592,403+1%

47Tulsa County, OKOK698,78289,731−2%

48Pima County, AZAZ1,074,68589,182−2%

49▲6Davidson County, TNTN745,90489,025+12%

50▼4Wake County, NCNC1,257,23588,222−4%

51▼10Marion County, ININ992,19684,807−9%

52▲1Hudson County, NJNJ735,03380,971−2%

53▼8Fairfax County, VAVA1,167,87380,532−12%

54▼2Sacramento County, CACA1,618,46077,190−7%

55▲1Jackson County, MOMO732,99476,545−3%

56▲15Union County, NJNJ601,86374,705+21%

57▼3Santa Clara County, CACA1,914,39173,684−9%

58▲4Montgomery County, MDMD1,074,58273,432+4%

59▼2Webb County, TXTX281,22473,141−7%

60▲13Suffolk County, NYNY1,546,09071,945+17%

61▲5Cuyahoga County, OHOH1,232,92570,503+6%

62▲3Kern County, CACA927,06869,993+5%

63▼4New York County, NYNY1,664,86268,373−10%

64▼6Fresno County, CACA1,035,45666,826−12%

65▼1Milwaukee County, WIWI924,21665,984−3%

66▲16Williamson County, TXTX752,82765,764+21%

67▼6Alameda County, CACA1,636,63065,034−8%

68▼5Denver County, COCO740,61364,240−6%

69▲11Middlesex County, NJNJ883,33562,487+12%

70▲8Jefferson County, ALAL665,74262,109+6%

71▼2Passaic County, NJNJ531,62462,104−1%

72▼2Lancaster County, PAPA563,15961,761−2%

73▲3Brevard County, FLFL663,98261,493+3%

74▲17Adams County, COCO554,66861,088+18%

75▼7Nueces County, TXTX352,99261,051−3%

76▲18Arapahoe County, COCO673,82060,758+20%

77▼17Ventura County, CACA830,85160,259−14%

78▼6Pasco County, FLFL674,51660,201−2%

79▼5Volusia County, FLFL606,57358,454−4%

80▲4Bernalillo County, NMNM667,60158,311+10%

81▼14Bergen County, NJNJ977,02658,139−10%

82▼5Hennepin County, MNMN1,284,78456,653−4%

83▲2Sedgwick County, KSKS538,43356,356+6%

84▼9St. Louis County, MOMO990,91156,318−6%

85▼2Greenville County, SCSC583,12554,468+2%

86▼7Contra Costa County, CACA1,170,07053,742−6%

87▲5Pierce County, WAWA946,28853,478+4%

88▲16Utah County, UTUT759,85952,811+11%

89▼8Nassau County, NYNY1,398,93952,524−5%

90▲7Snohomish County, WAWA870,65651,757+6%

91▲20Bell County, TXTX402,24850,786+13%

92▲7El Paso County, COCO757,04050,686+5%

93▼3Clayton County, GAGA297,47150,380−3%

94▲13Manatee County, FLFL468,20050,165+8%

95▼6Westchester County, NYNY1,015,74349,995−5%

96▲10San Joaquin County, CACA823,81549,452+6%

97▲36Pinal County, AZAZ539,38049,299+33%

98▲5Jefferson County, TXTX254,32149,278+4%

99▲25Marion County, FLFL442,66049,167+20%

100▲13Washoe County, NVNV509,38648,845+9%

101Jefferson Parish, LALA431,39848,775+2%

102▼15Oakland County, MIMI1,288,33748,728−7%

103▼17Douglas County, NENE606,46048,442−8%

104▲14Galveston County, TXTX372,20748,254+11%

105▼3Brazoria County, TXTX419,08048,117+1%

106▲9Lake County, ILIL719,33948,085+9%

107▲7Hamilton County, OHOH838,41847,911+8%

108▼12Prince William County, VAVA502,96647,872−3%

109▼14DuPage County, ILIL934,29847,841−3%

110▼2Allegheny County, PAPA1,225,03547,146+2%

111▲10Baltimore County, MDMD847,65045,873+6%

112▼14Guilford County, NCNC562,23445,704−6%

113▲4Seminole County, FLFL491,88445,606+5%

114▼14Osceola County, FLFL481,71845,163−6%

115Western Connecticut Planning Region, CTCT640,48244,977–

116▼28Multnomah County, OROR795,39144,948−14%

117▼24Collier County, FLFL417,13144,846−12%

118▼9Sarasota County, FLFL479,95844,825−3%

119▼14Horry County, SCSC427,55144,420−6%

120▲10Jefferson County, KYKY795,22244,205+18%

121▲4Lubbock County, TXTX328,90643,564+7%

122Capitol Planning Region, CTCT994,11543,135–

123▼13Mobile County, ALAL411,65842,502−7%

124▼12Macomb County, MIMI886,22142,414−6%

125▼9St. Lucie County, FLFL402,44940,803−6%

126▲15Knox County, TNTN511,45340,620+15%

127▲1Monterey County, CACA433,72940,441+3%

128▲1Smith County, TXTX252,54940,375+7%

129▼9Kane County, ILIL525,75740,060−7%

130▲1Lake County, FLFL456,06839,165+5%

131▼9Middlesex County, MAMA1,669,97938,355−7%

132▲6Tulare County, CACA485,14638,327+7%

133▲32Pulaski County, ARAR404,61138,248+26%

134▼8Forsyth County, NCNC401,71837,873−5%

135▼16Santa Barbara County, CACA442,06537,873−13%

136▼9Chatham County, GAGA311,85537,678−4%

137▲2McLennan County, TXTX272,02037,180+4%

138▼6East Baton Rouge Parish, LALA456,18036,944−1%

139▲16Spartanburg County, SCSC380,85736,913+15%

140▲3Will County, ILIL712,25336,416+4%

141▲7Hamilton County, TNTN390,83336,308+10%

142▲10Escambia County, FLFL333,83436,218+11%

143▲11Ector County, TXTX173,80135,999+11%

144▲36Rutherford County, TNTN386,35235,954+25%

145▼11Durham County, NCNC347,24035,571−4%

146▲3Providence County, RIRI678,17935,411+8%

147▼11Richland County, SCSC434,95634,898−4%

148▼2Hall County, GAGA226,56834,826+3%

149▲26Clark County, WAWA532,11934,370+17%

150▼6Montgomery County, OHOH539,59834,2480%

151▼28Charleston County, SCSC436,20034,200−17%

152▲1Monmouth County, NJNJ651,03533,733+3%

153▲34New Castle County, DEDE588,02633,622+19%

154▼14Baltimore, MDMD569,99733,620−5%

155▲1Camden County, NJNJ535,79933,189+4%

156▲25Montgomery County, PAPA877,64333,124+15%

157▼20Ada County, IDID546,14132,848−8%

158▼11Lake County, ININ504,61232,752−1%

159▲8Yakima County, WAWA259,18532,507+7%

160▲9Allen County, ININ402,32932,211+8%

161▼26Kent County, MIMI675,23231,772−13%

162▲29Ellis County, TXTX240,86731,738+14%

163▲32Washington County, ARAR271,21331,690+16%

164▲22Johnson County, TXTX218,04831,523+11%

165▼15Greene County, MOMO309,28631,157−5%

166▲38Berks County, PAPA440,07231,112+21%

167▼3Stanislaus County, CACA557,71931,089+2%

168▼17Washington County, OROR611,70831,088−5%

169▼7Hays County, TXTX304,39031,034+1%

170▲8Madison County, ALAL433,51630,981+6%

171▼12Honolulu County, HIHI988,70330,949−1%

172▲5Canyon County, IDID275,12330,542+4%

173▼5Jefferson County, COCO580,45130,1670%

174▲32Mercer County, NJNJ399,28930,077+17%

175▼30Johnson County, KSKS636,90630,003−13%

176▼15Summit County, OHOH538,37629,845−3%

177▲19Ramsey County, MNMN541,62329,787+9%

178▼36Orleans Parish, LALA362,15429,700−16%

179▲10Marion County, OROR355,77729,501+5%

180▲3Buncombe County, NCNC277,41729,382+3%

181▼15Elkhart County, ININ208,77429,247−4%

182▲15Brazos County, TXTX249,08829,127+9%

183▲9Cherokee County, GAGA299,27328,979+4%

184▼26Cumberland County, NCNC338,47328,811−8%

185▲34Benton County, ARAR332,55428,592+21%

186▼7Cleveland County, OKOK303,97328,480−1%

187▲1Wyandotte County, KSKS170,59728,2740%

188▲15Yuma County, AZAZ224,44928,264+10%

189▼13San Mateo County, CACA743,56828,082−4%

190▲3Weld County, COCO378,42628,015+1%

191Greater Bridgeport Planning Region, CTCT337,69727,983–

192▼18Hinds County, MSMS211,88827,901−5%

193South Central Connecticut Planning Region, CTCT578,74127,814–

194▲6Spokane County, WAWA558,34427,567+6%

195▼5Erie County, NYNY946,74127,497−2%

196▲25Anne Arundel County, MDMD603,38027,369+16%

197▼40Virginia Beach, VAVA453,73727,294−13%

198▼38San Francisco County, CACA826,07927,184−12%

199▼27Anchorage, AKAK287,15527,166−8%

200▼27Ocean County, NJNJ673,74626,620−10%

201▼19Harrison County, MSMS217,13626,562−7%

202▼39St. Louis, MOMO278,14426,533−13%

203▼9Delaware County, PAPA580,93726,354−4%

204▲14Bay County, FLFL204,47926,234+10%

205▲32Polk County, IAIA516,54626,186+18%

206▼21Lexington County, SCSC317,58826,159−8%

207▲88Kaufman County, TXTX209,23525,723+49%

208▲72Liberty County, TXTX121,36425,703+39%

209Bucks County, PAPA647,82825,3150%

210▼26Midland County, TXTX187,85525,167−12%

211▲15Doña Ana County, NMNM229,09125,013+10%

212▲15Gaston County, NCNC246,55824,995+10%

213▲19Yavapai County, AZAZ252,55224,640+10%

214▼43Sonoma County, CACA486,44424,564−17%

215▼7District of Columbia, DCDC693,64524,454−3%

216▼6Henry County, GAGA264,92224,377−2%

217▼16Chesterfield County, VAVA397,14824,284−7%

218▲29Butler County, OHOH400,12824,260+15%

219▼49Suffolk County, MAMA791,89124,175−19%

220▲13Lehigh County, PAPA384,38324,159+8%

221▼6Johnston County, NCNC256,44824,1310%

222▲17Morris County, NJNJ524,25124,058+9%

223▼21Chester County, PAPA557,11623,941−8%

224Okaloosa County, FLFL221,81023,695+4%

225▲16Weber County, UTUT278,17423,413+7%

226▲17Merced County, CACA297,26023,382+8%

227▼10Monroe County, NYNY750,50623,300−2%

228▼21Hillsborough County, NHNH433,41523,278−8%

229▲5Loudoun County, VAVA449,74923,184+4%

230▲16Fayette County, KYKY329,75123,036+9%

231▼11Hernando County, FLFL221,70122,960−3%

232▼27Richmond County, GAGA206,55922,953−10%

233▲2Montgomery County, ALAL225,89122,735+2%

234▲110Bastrop County, TXTX118,90822,630+53%

235▼13Essex County, MAMA826,65322,449−4%

236▼22New Hanover County, NCNC245,95922,445−7%

237▲12Grayson County, TXTX153,61322,279+6%

238▼15York County, SCSC306,88722,244−4%

239▼1York County, PAPA473,19722,0680%

240▼11Berkeley County, SCSC274,66621,976−3%

241▼10Leon County, FLFL299,04821,833−3%

242▲17Washington County, UTUT213,67021,726+7%

243Naugatuck Valley Planning Region, CTCT463,34921,683–

244▲27Worcester County, MAMA888,50221,623+13%

245▲20Parker County, TXTX184,76721,568+11%

246▼10Muscogee County, GAGA202,17121,545−3%

247▲1Lafayette Parish, LALA257,94921,335+1%

248▲12Anderson County, SCSC219,93021,293+5%

249▼51Lane County, OROR381,58421,276−19%

250▼8Solano County, CACA455,37621,134−3%

251▼39Potter County, TXTX114,45321,098−14%

252▲10Forsyth County, GAGA282,80521,062+6%

253▲52Luzerne County, PAPA332,12621,058+27%

254▲3Davis County, UTUT381,22721,030+3%

255▼15Alachua County, FLFL290,02820,983−4%

256▼40Henrico County, VAVA342,77520,884−12%

257▲26Bibb County, GAGA157,55620,773+15%

258▼47Lucas County, OHOH423,34720,637−17%

259▲5Mohave County, AZAZ228,10220,561+5%

260▼10Larimer County, COCO377,29220,550−1%

261▲2Dane County, WIWI590,37520,491+5%

262▼10Stark County, OHOH373,77120,437−1%

263▼19Gregg County, TXTX126,09520,375−5%

264▲3Richmond County, NYNY501,29020,293+5%

265▼12Baldwin County, ALAL267,76120,193−2%

266▼67Richmond, VAVA237,25720,016−23%

267▲67Montgomery County, TNTN249,93520,011+32%

268▲6Guadalupe County, TXTX201,11119,913+6%

269▲6Taylor County, TXTX150,07719,597+5%

270▼40Genesee County, MIMI401,09319,417−14%

271▼1Clay County, MOMO265,03219,385+1%

272▼18Union County, NCNC267,67419,197−6%

273▲8Santa Rosa County, FLFL211,11519,170+4%

274▼19St. Joseph County, ININ272,86119,137−7%

275▲39Comal County, TXTX209,16619,127+20%

276▼4Charlotte County, FLFL217,21219,0490%

277▼19Atlantic County, NJNJ278,65719,028−6%

278▼50Lancaster County, NENE334,04919,018−16%

279▲36Bristol County, MAMA593,64018,962+19%

280▼35Starr County, TXTX66,31918,950−11%

281▲11Somerset County, NJNJ356,48618,855+6%

282▼69Norfolk, VAVA231,01318,825−23%

283▲4Orange County, NYNY417,66918,678+4%

284▼2Whitfield County, GAGA106,21218,593+2%

285▲27Dakota County, MNMN457,71018,558+15%

286▲20Cabarrus County, NCNC249,72518,433+11%

287▲52Dauphin County, PAPA293,35118,402+22%

288▲43Hunt County, TXTX123,33618,386+21%

289▲4Wichita County, TXTX129,55518,380+5%

290▼65Clackamas County, OROR426,28018,331−19%

291▼23St. Tammany Parish, LALA279,10818,323−5%

292▼36Clay County, FLFL239,59318,297−11%

293▼5Holmes County, OHOH44,97018,121+1%

294▲8LaGrange County, ININ41,30518,052+8%

295▼19Douglas County, GAGA154,29318,032−3%

296▼6Alamance County, NCNC186,17717,9390%

297▼28Paulding County, GAGA190,99617,876−7%

298▲37Tom Green County, TXTX120,60217,809+18%

299▲51Sussex County, DEDE277,14017,788+23%

300▼27Burlington County, NJNJ481,43917,661−6%

301▼1Iredell County, NCNC211,79817,588+4%

302▼16Pitt County, NCNC182,93617,454−3%

303▼5Winnebago County, ILIL283,67417,277+1%

304▼7St. Charles County, MOMO426,49917,192+1%

305▼14Catawba County, NCNC170,17217,130−4%

306▼3Kootenai County, IDID191,86416,919+1%

307▲44Navajo County, AZAZ109,94616,879+16%

308▲41Anoka County, MNMN381,60516,778+15%

309▼58Caddo Parish, LALA224,22616,748−19%

310▲54Benton County, WAWA221,72216,743+18%

311▼2Dorchester County, SCSC178,39716,680+2%

312▼1Houston County, GAGA178,21416,677+3%

313▲19Martin County, FLFL166,27216,642+10%

314▲15Citrus County, FLFL171,66616,607+7%

315▲9Bartow County, GAGA120,80016,574+6%

316▼22Indian River County, FLFL172,79916,491−5%

317▼10Lorain County, OHOH323,21916,4410%

318▼29Jackson County, MSMS147,66616,405−8%

319▼18Lowndes County, GAGA122,86716,395−2%

320▲28Minnehaha County, SDSD212,69116,331+12%

321▼42Robeson County, NCNC119,94116,309−12%

322▼44Randolph County, NCNC149,51616,185−13%

323▼62St. Johns County, FLFL346,32816,173−19%

324▼58Davidson County, NCNC180,18216,073−17%

325▲15Onslow County, NCNC217,17516,018+7%

326▲21Wayne County, OHOH116,75815,991+9%

327▲65Randall County, TXTX152,35115,907+23%

328▼2Coconino County, AZAZ144,36815,845+1%

329▼2DeSoto County, MSMS197,91815,833+2%

330▼22San Luis Obispo County, CACA282,36715,808−4%

331▼35Beaufort County, SCSC204,43315,756−8%

332▲21Tuscaloosa County, ALAL241,36815,735+9%

333▼10Victoria County, TXTX92,65615,560−1%

334▲26Mesa County, COCO162,84515,558+9%

335▼16Calcasieu Parish, LALA208,46615,522−2%

336▼6Canadian County, OKOK187,18915,5130%

337▼24San Juan County, NMNM120,34015,505−3%

338▲62Lee County, ALAL189,88115,405+21%

339▼23Onondaga County, NYNY466,58415,358−4%

340▲46Cumberland County, NJNJ157,14815,216+16%

341▲13Sumner County, TNTN215,53815,124+5%

342▼32Aiken County, SCSC181,51515,118−7%

343▲55Shawnee County, KSKS178,60715,090+18%

344▼26Angelina County, TXTX88,15415,083−5%

345▼60Jefferson County, MOMO233,13215,051−17%

346▼25Jasper County, MOMO127,42814,863−6%

347▲23Carroll County, GAGA131,03614,837+6%

348▲25Hamilton County, ININ387,03614,790+7%

349▲52Columbia County, GAGA169,18914,699+16%

350▲39Shelby County, ALAL238,55214,658+12%

351▲17Henderson County, NCNC122,37514,594+4%

352▲62Douglas County, COCO399,39614,508+20%

353▼69Newport News, VAVA183,23014,428−20%

354▲36Thurston County, WAWA304,26114,412+11%

355▲3Boulder County, COCO328,56014,4050%

356▲43Highlands County, FLFL111,12214,402+14%

357▼32Clarke County, GAGA129,92114,352−8%

358▲30Cumberland County, PAPA277,27014,276+9%

359▼55Cumberland County, MEME317,22214,192−15%

360▲15Sullivan County, TNTN163,75914,113+3%

361▼25McHenry County, ILIL317,75114,084−7%

362▼25Rockland County, NYNY357,39714,078−7%

363▲63Washington County, TNTN141,19914,057+19%

364▼42Chesapeake, VAVA255,33214,039−11%

365▲54Howard County, MDMD339,18314,018+18%

366▼28Henderson County, TXTX88,59513,986−7%

367▲2Hampden County, MAMA464,33813,9690%

368▼3Franklin County, PAPA160,65213,886−2%

369▼12Ingham County, MIMI289,70913,880−4%

370▲38Trumbull County, OHOH198,97213,859+13%

371▼54Santa Fe County, NMNM156,90713,802−13%

372▼52Rowan County, NCNC155,09613,795−13%

373▲66Grant County, WAWA105,72713,787+22%

374▲32Barrow County, GAGA99,77313,753+11%

375▲4Northampton County, PAPA324,41113,748+2%

376▼48Wayne County, NCNC122,27813,715−12%

377▲1Brown County, WIWI275,80313,573+1%

378▲19Norfolk County, MAMA739,74913,511+6%

379▼80Maverick County, TXTX58,82313,479−20%

380▼37Alexandria, VAVA160,66213,416−10%

381▲39Morgan County, ALAL126,48313,399+12%

382▼6Sebastian County, ARAR130,64113,380−2%

383▲52Frederick County, MDMD302,88313,357+17%

384▲37Kitsap County, WAWA283,37413,304+12%

385▲25Plymouth County, MAMA546,82913,266+8%

386▲1Whatcom County, WAWA236,39213,247+1%

387▼42Newton County, GAGA125,58313,236−11%

388▼32Placer County, CACA442,08113,224−8%

389▼6Butte County, CACA209,21113,177−1%

390▼35Flagler County, FLFL140,36013,167−9%

391▼28Floyd County, GAGA101,37813,161−8%

392▼10Sevier County, TNTN101,34213,147−2%

393▼52Matanuska-Susitna, AKAK118,66613,079−12%

394▲22Blount County, TNTN143,82012,982+8%

395▲60San Patricio County, TXTX72,05312,980+20%

396▼30Santa Cruz County, CACA258,85212,976−8%

397▼30Harnett County, NCNC150,13712,917−8%

398▲105Yellowstone County, MTMT172,69212,901+35%

399▼47Rockingham County, NHNH324,07712,883−11%

400▼38Coweta County, GAGA160,24012,870−10%

401▲24Lebanon County, PAPA146,38012,802+9%

402▼9Franklin County, WAWA102,61212,773−1%

403▼32Deschutes County, OROR213,07212,736−9%

404Southeastern Connecticut Planning Region, CTCT284,01512,736–

405▲42Livingston Parish, LALA155,03612,688+14%

406▼22Rankin County, MSMS162,18112,674−5%

407▼74St. Clair County, ILIL250,70812,650−17%

408▼28Orange County, TXTX86,26612,604−6%

409▼28Florence County, SCSC138,50412,544−7%

410▼19Waukesha County, WIWI417,21012,537−4%

411▼65Jackson County, OROR221,79512,512−15%

412▲101Ulster County, NYNY183,33012,434+33%

413▼71Comanche County, OKOK122,15812,356−17%

414▼7Rockdale County, GAGA98,41612,3500%

415▼56Kalamazoo County, MIMI263,79512,323−14%

416▲44Waller County, TXTX69,85812,317+17%

417▼23Madison County, ILIL263,11012,283−5%

418▼46Arlington County, VAVA243,93112,280−12%

419▼45Vanderburgh County, ININ181,99512,187−12%

420▼24Kent County, DEDE194,78612,153−5%

421▲27Clermont County, OHOH216,97712,149+9%

422▼13Gloucester County, NJNJ312,63812,128−1%

423▲10Washtenaw County, MIMI370,21412,098+5%

424▼2Houston County, ALAL110,31811,9730%

425▲60Walton County, FLFL93,28811,948+20%

426▲5Marshall County, ALAL103,53711,800+2%

427▲75Bossier Parish, LALA131,86711,777+23%

428▼151Apache County, AZAZ64,44511,751−37%

429▼68McKinley County, NMNM68,11911,697−18%

430▲11Calhoun County, ALAL115,83411,669+4%

431▲22Shasta County, CACA181,64811,616+6%

432▼3Etowah County, ALAL103,88611,596−1%

433▼16Bowie County, TXTX92,69611,563−3%

434▲24Pickens County, SCSC139,19811,546+8%

435▼33Ouachita Parish, LALA158,54211,519−8%

436▼23Williamson County, TNTN272,06111,486−5%

437▼52Brunswick County, NCNC174,70211,413−14%

438▲63Van Zandt County, TXTX66,13011,410+18%

439▲3Madera County, CACA167,92711,373+1%

440▼45Dutchess County, NYNY300,70811,313−12%

441▼4Glynn County, GAGA87,59911,248−2%

442▲91Wilson County, TNTN175,03311,247+25%

443▼32Pennington County, SDSD116,79211,217−8%

444▼12Bradley County, TNTN115,46511,128−4%

445▲53DeKalb County, ALAL74,08511,086+14%

446▲72Racine County, WIWI198,91911,071+19%

447▼13Wise County, TXTX83,77811,035−4%

448▲78Flathead County, MTMT115,42911,025+21%

449▼26Erie County, PAPA265,83211,005−7%

450▲7Mahoning County, OHOH224,70610,992+2%

451▲210Warren County, KYKY149,37510,975+59%

452▼40Boone County, MOMO191,74610,940−10%

453▼8Walton County, GAGA112,69610,914−2%

454▲37Nash County, NCNC99,36510,862+11%

455▲19Bonneville County, IDID135,77110,810+7%

456▲82Lea County, NMNM74,74910,722+20%

457▲23Rogers County, OKOK102,19710,700+7%

458▲66Champaign County, ILIL209,97210,690+17%

459▼82Dougherty County, GAGA82,61610,663−22%

460▲55Rockwall County, TXTX140,73810,622+14%

461▲67Delaware County, OHOH242,03210,591+17%

462▲11Cass County, NDND201,79410,570+4%

463▲47Yolo County, CACA224,41010,557+12%

464▼40Monroe County, PAPA167,17910,499−11%

465▲67Lackawanna County, PAPA216,50210,478+16%

466▼17Lake County, OHOH232,21710,471−6%

467▼15Westmoreland County, PAPA349,32410,469−5%

468▼53Imperial County, CACA181,41110,427−13%

469▼51Putnam County, FLFL77,73410,407−13%

470▲101Fayette County, GAGA125,15610,390+24%

471▼41Sumter County, SCSC105,06710,389−10%

472▼45York County, MEME222,43410,376−12%

473▲160Walker County, TXTX83,84210,275+42%

474▼23Peoria County, ILIL178,55310,225−7%

475▼71Monroe County, FLFL80,40610,216−18%

476▼48Rapides Parish, LALA125,87710,067−14%

477▲48Albany County, NYNY321,22510,037+10%

478▼73Tippecanoe County, ININ190,45610,016−19%

479▲70Caldwell County, TXTX55,15010,010+15%

480▼40Stafford County, VAVA170,8039,975−12%

481▼43Sandoval County, NMNM159,5659,961−13%

482▼7Kings County, CACA154,3279,955−2%

483▲73Navarro County, TXTX57,1819,939+16%

484▼48Nacogdoches County, TXTX66,0359,918−13%

485▼2Madison County, TNTN100,7909,9000%

486▼43Tangipahoa Parish, LALA141,3469,870−12%

487▼20Harrison County, TXTX71,9569,834−4%

488▲16Cullman County, ALAL94,0099,826+3%

489▲28Atascosa County, TXTX53,5909,810+5%

490▲31Cochise County, AZAZ126,3329,794+6%

491▲104Burnet County, TXTX57,0159,783+22%

492▲56Douglas County, KSKS120,9209,775+12%

493▲120Jackson County, GAGA99,2659,770+29%

494▼29Cherokee County, TXTX53,3379,739−5%

495▼25Ottawa County, MIMI308,4599,737−5%

496▼1Orange County, NCNC152,4989,7270%

497▼16Berrien County, MIMI152,4449,716−3%

498▼5Wagoner County, OKOK93,2639,7130%

499▲77Lamar County, TXTX51,5039,678+16%

500▲75Richland County, OHOH124,8939,669+16%

SHOWING 1–500 OF 3,144

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Download CSV (full list, 3,144 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES

Frequently asked

Which county has the highest uninsured residents?

Harris County, Texas ranks #1 with 1,005,342 (2024 American Community Survey).

What are the top 5 counties by uninsured residents?

Harris County, Texas, Los Angeles County, California, Dallas County, Texas, Maricopa County, Arizona, Cook County, Illinois.

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 residents measured?

Number of civilian noninstitutionalized residents without health insurance (ACS S2701). The raw-count companion to the uninsured rate. Source: US Census Bureau, American Community Survey 5-year estimates (2024).