RANKING · 2025 ESTIMATES · 500 SHOWN OF 3,135

Most population gained, US counties

US counties that added the most residents from the 2020 census to 2025, by raw count of people rather than percentage. Harris County, Texas leads at +313,881. 3,135 counties qualify in total. Texas carries 9 of the top 25 entries. The median across all 3,135 is +167. Biggest climber in the top 100 since 2020: Bay County, FL, up 429 places to #91.

Flip the list · Most population lost, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS 2000

01Harris County, TXTX5,045,026+313,881−46%

02Maricopa County, AZAZ4,689,558+268,990−72%

03▲5Collin County, TXTX1,297,179+232,714+2%

04▲7Denton County, TXTX1,069,346+162,924+2%

05▲23Montgomery County, TXTX781,194+160,751+44%

06▲6Fort Bend County, TXTX975,191+152,412+18%

07▼1Bexar County, TXTX2,160,088+150,764−27%

08▲33Polk County, FLFL874,790+149,744+91%

09▲13Williamson County, TXTX752,827+143,810+30%

10▼6Clark County, NVNV2,407,226+141,765−78%

11▼6Tarrant County, TXTX2,248,466+137,826−50%

12▲4Wake County, NCNC1,257,235+127,825−37%

13▲2Riverside County, CACA2,544,916+126,731−66%

14▲6Mecklenburg County, NCNC1,233,383+117,901−36%

15▲21Lee County, FLFL875,607+114,785+9%

16▼2Hillsborough County, FLFL1,574,115+114,353−31%

17▲116Pinal County, AZAZ539,380+114,116+80%

18▲33Pasco County, FLFL674,516+112,625+77%

19▲16Utah County, UTUT759,859+100,460−4%

20▼3Miami-Dade County, FLFL2,802,029+100,262–

21▼12Travis County, TXTX1,389,670+99,482−58%

22▼15Orange County, FLFL1,528,002+98,094−55%

23▲19Osceola County, FLFL481,718+93,062+44%

24▲2Palm Beach County, FLFL1,575,726+83,535−69%

25▲38Horry County, SCSC427,551+76,522+46%

26▼23King County, WAWA2,344,939+75,264−67%

27▲101St. Lucie County, FLFL402,449+73,223+72%

28▲33St. Johns County, FLFL346,328+72,903+85%

29▲30Lake County, FLFL456,068+72,112+23%

30▼11Broward County, FLFL2,013,317+68,942−81%

31▲44Manatee County, FLFL468,200+68,490+31%

32▲5Duval County, FLFL1,062,963+67,396−36%

33▲112Marion County, FLFL442,660+66,752+4%

34▲121Kaufman County, TXTX209,235+63,925+235%

35▲25Hays County, TXTX304,390+63,323+98%

36▼4Gwinnett County, GAGA1,018,099+61,037−74%

37▲42Greenville County, SCSC583,125+57,591−3%

38▲62Brevard County, FLFL663,982+57,370−26%

39▲69Volusia County, FLFL606,573+53,030−27%

40▲107Spartanburg County, SCSC380,857+52,860+96%

41▲9Ada County, IDID546,141+51,174−46%

42▲10Hidalgo County, TXTX921,549+50,768−73%

43▲33Weld County, COCO378,426+49,445+1%

44▲105Ellis County, TXTX240,867+48,412+85%

45▲57Benton County, ARAR332,554+48,221−14%

46▼36Dallas County, TXTX2,661,397+47,858−87%

47▲77Comal County, TXTX209,166+47,665+82%

48▲61Brazoria County, TXTX419,080+47,049−6%

49▲71Sarasota County, FLFL479,958+45,952−5%

50▲72Madison County, ALAL433,516+45,363+20%

51▲17Rutherford County, TNTN386,352+44,866−29%

52▲75Berkeley County, SCSC274,666+44,805+223%

53San Joaquin County, CACA823,815+44,582−46%

54▲99Canyon County, IDID275,123+44,018+6%

55▼10Snohomish County, WAWA870,656+42,699−70%

56▼23San Bernardino County, CACA2,224,091+42,437−85%

57▲26Douglas County, COCO399,396+41,418−64%

58▲63Collier County, FLFL417,131+41,379−58%

59▲80Johnston County, NCNC256,448+40,449−1%

60▲101Sussex County, DEDE277,140+39,762−8%

61▲21Hamilton County, ININ387,036+39,569−46%

62▲161Johnson County, TXTX218,048+38,121+29%

63▲159Brunswick County, NCNC174,702+38,009+72%

64▼25Middlesex County, MAMA1,669,979+37,977−43%

65▼36Franklin County, OHOH1,361,536+37,729−65%

66▲47Placer County, CACA442,081+37,342−51%

67▲136Parker County, TXTX184,767+36,545+54%

68▲36Ocean County, NJNJ673,746+36,517−53%

69▲63Baldwin County, ALAL267,761+35,994−15%

70▼40Salt Lake County, UTUT1,220,916+35,678−79%

71Adams County, COCO554,668+35,096−64%

72▼45Sacramento County, CACA1,618,460+33,405−82%

73▲81Washington County, UTUT213,670+33,391−20%

74▲144Rockwall County, TXTX140,738+32,919+88%

75▲92Canadian County, OKOK187,189+32,784+147%

76▲50Cherokee County, GAGA299,273+32,653−37%

77▼10Essex County, NJNJ896,379+32,651+112%

78▲57Chesterfield County, VAVA397,148+32,600−36%

79▲61Knox County, TNTN511,453+32,482−30%

80▼46Fulton County, GAGA1,098,791+32,081−81%

81▲24Bell County, TXTX402,248+31,601−33%

82▼4Forsyth County, GAGA282,805+31,522−42%

83▲18Pima County, AZAZ1,074,685+31,252−82%

84▲86Frederick County, MDMD302,883+31,166−31%

85▲152Charlotte County, FLFL217,212+30,365−1%

86▼30Davidson County, TNTN745,904+30,020−49%

87▲51Montgomery County, TNTN249,935+29,866−13%

88▲246Liberty County, TXTX121,364+29,736+71%

89▲4Tulsa County, OKOK698,782+29,503−51%

90▲83Union County, NCNC267,674+29,407−25%

91▲429Bay County, FLFL204,479+29,263+38%

92▼11Dane County, WIWI590,375+28,871−51%

93▼21Clark County, WAWA532,119+28,808−73%

94▼48Loudoun County, VAVA449,749+28,790−66%

95▲63Guadalupe County, TXTX201,111+28,405+18%

96▲80Sumter County, FLFL157,772+28,020+29%

97▲13Charleston County, SCSC436,200+27,965+87%

98▲66Delaware County, OHOH242,032+27,908−35%

99▲86Wilson County, TNTN175,033+27,296+29%

100▼30Cobb County, GAGA793,345+27,196−83%

101▲171Hernando County, FLFL221,701+27,186−8%

102▼8Johnson County, KSKS636,906+27,043−72%

103▼34Fresno County, CACA1,035,456+26,802−80%

104▼56El Paso County, COCO757,040+26,645−78%

105▲63Union County, NJNJ601,863+26,518−8%

106▼8Worcester County, MAMA888,502+26,391−36%

107▼33Oklahoma County, OKOK822,125+25,833−58%

108▲42Washington County, ARAR271,213+25,342−43%

109▼69Pierce County, WAWA946,288+25,158−78%

110▲123Iredell County, NCNC211,798+25,105−16%

111▼67Denver County, COCO740,613+25,091−71%

112▲183Flagler County, FLFL140,360+24,982+18%

113▲3York County, SCSC306,887+24,797−25%

114▲102Hamilton County, TNTN390,833+24,626+10%

115▼18Williamson County, TNTN272,061+24,335−47%

116▲58Henry County, GAGA264,922+24,210−60%

117▼14Polk County, IAIA516,546+24,145−49%

118▲19Cabarrus County, NCNC249,725+23,921−26%

119▲82Lexington County, SCSC317,588+23,597−51%

120▲140Hall County, GAGA226,568+23,432−47%

121▲239Hunt County, TXTX123,336+23,380+91%

122▲218Jackson County, GAGA99,265+23,358+102%

123▲52Santa Rosa County, FLFL211,115+23,115−36%

124▼29Washoe County, NVNV509,386+22,894−73%

125▲55Chester County, PAPA557,116+22,703−60%

126▼15Durham County, NCNC347,240+22,407−46%

127▲114Paulding County, GAGA190,996+22,335−44%

128▼37Douglas County, NENE606,460+21,934−53%

129▲132Bastrop County, TXTX118,908+21,692+11%

130▼23Galveston County, TXTX372,207+21,525−34%

131▲101Clay County, FLFL239,593+21,348−39%

132▼3Bergen County, NJNJ977,026+21,294−64%

133▲11St. Charles County, MOMO426,499+21,237−70%

134▼22Montgomery County, PAPA877,643+21,090−71%

135▲1Seminole County, FLFL491,884+21,028−73%

136▼11Guilford County, NCNC562,234+20,935−72%

137▼72Prince William County, VAVA502,966+20,762−68%

138▲343Yuma County, AZAZ224,449+20,568−61%

139▲51Kootenai County, IDID191,864+20,502−47%

140▲122New Hanover County, NCNC245,959+20,257−49%

141▼18Middlesex County, NJNJ883,335+20,173−74%

142▲49Suffolk County, NYNY1,546,090+20,170−79%

143▲224Burlington County, NJNJ481,439+19,579−31%

144▲137Limestone County, ALAL122,928+19,358+68%

145▲75Washington County, MNMN286,895+19,327−65%

146▲33Sumner County, TNTN215,538+19,257−29%

147▲49Forsyth County, NCNC401,718+19,128−52%

148▲109Smith County, TXTX252,549+19,070−18%

149▲91Rockland County, NYNY357,397+19,068−10%

150▼60Spokane County, WAWA558,344+19,005−66%

151▲49Richland County, SCSC434,956+18,809−46%

152▲34Dallas County, IAIA118,457+18,779+71%

153▼91Arapahoe County, COCO673,820+18,750−81%

154▲67Hendricks County, ININ193,510+18,722−34%

155▲115Gaston County, NCNC246,558+18,615+22%

156▼41Davis County, UTUT381,227+18,548−64%

157▲141Lancaster County, SCSC114,296+18,280+167%

158▲39Lubbock County, TXTX328,906+18,267−9%

159▼53Larimer County, COCO377,292+18,226−72%

160▲190Grayson County, TXTX153,613+18,070+16%

161▲127Walton County, FLFL93,288+17,983+40%

162▲26Midland County, TXTX187,855+17,872+90%

163▼76Kern County, CACA927,068+17,833−85%

164▼7Dakota County, MNMN457,710+17,828−78%

165▲215Citrus County, FLFL171,666+17,823−27%

166▲87Cumberland County, PAPA277,270+17,801−3%

167▲22Anoka County, MNMN381,605+17,718−67%

168▲30Sarpy County, NENE208,303+17,699−12%

169▼80Fairfax County, VAVA1,167,873+17,564−88%

170▲141Berkeley County, WVWV139,522+17,446+5%

171▲12Providence County, RIRI678,179+17,438−31%

172▲77Beaufort County, SCSC204,433+17,316−50%

173▲21New Castle County, DEDE588,026+17,307−70%

174▲8Cass County, NDND201,794+17,269−15%

175▼58Kent County, MIMI675,232+17,258−77%

176▲117Maury County, TNTN118,131+17,157+17%

177▲38Allen County, ININ402,329+16,919−45%

178▲70Dorchester County, SCSC178,397+16,857+26%

179▼87Essex County, MAMA826,653+16,824−68%

180▲95York County, PAPA473,197+16,759−60%

181▲121Harnett County, NCNC150,137+16,569−29%

182▲32Chatham County, GAGA311,855+16,564+10%

183▲138Nassau County, FLFL106,879+16,527+20%

184▲40Orange County, NYNY417,669+16,359−51%

185▲61Yavapai County, AZAZ252,552+16,343−73%

186▲169Barrow County, GAGA99,773+16,268−1%

187▲140Wright County, MNMN157,559+16,222−24%

188▲141Anderson County, SCSC219,930+16,212−21%

189▲100Lafayette Parish, LALA257,949+16,196−37%

190▲55Merced County, CACA297,260+16,058−50%

191▲181Walton County, GAGA112,696+16,023−28%

192▼14Plymouth County, MAMA546,829+16,010−57%

193▲15Weber County, UTUT278,174+15,951−58%

194▲110Will County, ILIL712,253+15,898−89%

195▼47Jackson County, MOMO732,994+15,790−27%

196▼12Lee County, ALAL189,881+15,640−44%

197▲31Shelby County, ALAL238,552+15,528−65%

198▲31Minnehaha County, SDSD212,691+15,477−37%

199▲114Spotsylvania County, VAVA155,388+15,356−53%

200▼34Brazos County, TXTX249,088+15,239−50%

201▲237Wise County, TXTX83,778+15,146+7%

202▼72Anne Arundel County, MDMD603,380+15,119−76%

203▼123Marion County, ININ992,196+14,993−76%

204▲119Morris County, NJNJ524,251+14,966−69%

205▼6Benton County, WAWA221,722+14,849−50%

206▲11Warren County, OHOH257,181+14,844−67%

207▲163Mohave County, AZAZ228,102+14,835−76%

208▲74Warren County, KYKY149,375+14,821−6%

209▼50Deschutes County, OROR213,072+14,819−63%

210▲142Tooele County, UTUT87,461+14,763+4%

211▲76Alamance County, NCNC186,177+14,762−35%

212▲32Sedgwick County, KSKS538,433+14,609−70%

213▲46Houston County, GAGA178,214+14,581−32%

214▼2St. Tammany Parish, LALA279,108+14,538−69%

215▼5Bristol County, MAMA593,640+14,440−49%

216▼23Tuscaloosa County, ALAL241,368+14,3320%

217▲59Cumberland County, MEME317,222+14,153−37%

218▲106Webb County, TXTX281,224+14,110−76%

219▲84Coweta County, GAGA160,240+14,082−60%

220▼135Oakland County, MIMI1,288,337+13,942−87%

221▲6Stafford County, VAVA170,803+13,876−56%

222▼103Norfolk County, MAMA739,749+13,768−60%

223▲96Kendall County, ILIL145,470+13,601−10%

224▲261Franklin County, NCNC82,037+13,464+24%

225▼30Columbia County, GAGA169,189+13,179−43%

226▲155Newton County, GAGA125,583+13,100−35%

227▲134Waller County, TXTX69,858+13,064+41%

228▲43Indian River County, FLFL172,799+13,011−43%

229▲67Kent County, DEDE194,786+12,935−18%

230▲118Cameron County, TXTX433,946+12,929−83%

231▲122Livingston Parish, LALA155,036+12,754−40%

232▲224Aiken County, SCSC181,515+12,707−41%

233▲569Pitt County, NCNC182,936+12,693−51%

234▲20DeSoto County, MSMS197,918+12,604−68%

235▲3Onslow County, NCNC217,175+12,599+2337%

236▼181Montgomery County, MDMD1,074,582+12,521−89%

237▲30Johnson County, ININ174,262+12,497−54%

238▲189Camden County, NJNJ535,799+12,314+102%

239▲248Wagoner County, OKOK93,263+12,282+28%

240▼48Ottawa County, MIMI308,459+12,259−76%

241▼85Jefferson County, KYKY795,222+12,253−57%

242▼146El Paso County, TXTX877,858+12,201−86%

243▼34Tulare County, CACA485,146+12,029−79%

244▲42Lincoln County, SDSD77,145+11,984+38%

245▲35Mercer County, NJNJ399,289+11,949−52%

246▲6Escambia County, FLFL333,834+11,929−62%

247▲236Pender County, NCNC72,111+11,908−3%

248▲207Bartow County, GAGA120,800+11,899−41%

249▲212Carroll County, GAGA131,036+11,888−25%

250▲35Cache County, UTUT145,000+11,846−44%

251▲212Lincoln County, NCNC98,654+11,844−12%

252▲42Bonneville County, IDID135,771+11,807+14%

253▼51Clay County, MOMO265,032+11,697−62%

254▲296Madera County, CACA167,927+11,672−67%

255▲37Randall County, TXTX152,351+11,598−21%

256▲54Matanuska-Susitna, AKAK118,666+11,585−41%

257▼51Alachua County, FLFL290,028+11,560−68%

258▲86Northampton County, PAPA324,411+11,460−43%

259▼87Lancaster County, NENE334,049+11,441−69%

260▼17McLennan County, TXTX272,020+11,441−53%

261▼175Washington County, OROR611,708+11,336−92%

262▼144Westchester County, NYNY1,015,743+11,286−77%

263▲270Davidson County, NCNC180,182+11,252−45%

264▲50Berks County, PAPA440,072+11,223−70%

265▲161Hancock County, ININ90,969+11,129+13%

266▲3Somerset County, NJNJ356,486+11,125−81%

267▲97Flathead County, MTMT115,429+11,072−27%

268▲130Chambers County, TXTX57,594+11,023+85%

269▲128Moore County, NCNC110,619+10,892−31%

270▲107Fairfield County, OHOH169,752+10,831−44%

271▲45Sandoval County, NMNM159,565+10,731−60%

272▲141Union County, OHOH73,446+10,662+19%

273▼9Richmond, VAVA237,257+10,647−302%

274▲142Faulkner County, ARAR133,979+10,481−60%

275▼9Hillsborough County, NHNH433,415+10,478−77%

276▲71York County, MEME222,434+10,462−53%

277▲154Suffolk, VAVA104,699+10,375−10%

278▼20Greene County, MOMO309,286+10,371−68%

279▲78Gloucester County, NJNJ312,638+10,344−58%

280▲116Lorain County, OHOH323,219+10,255−24%

281▲39Waukesha County, WIWI417,210+10,232−82%

282▼228Hudson County, NJNJ735,033+10,179−82%

283▼96Lancaster County, PAPA563,159+10,175−79%

284▼73Okaloosa County, FLFL221,810+10,142−62%

285▲106Douglas County, GAGA154,293+10,056−52%

286▼202DeKalb County, GAGA774,394+10,012−92%

287▲3Charles County, MDMD176,593+9,976−49%

288▲13Rockingham County, NHNH324,077+9,901−69%

289▲463Highlands County, FLFL111,122+9,887−48%

290▲64Boone County, ININ80,689+9,877+24%

291▲40Saline County, ARAR133,288+9,872−49%

292▼79Marion County, OROR355,777+9,857−83%

293▲111Iron County, UTUT67,141+9,852−24%

294▼47Lehigh County, PAPA384,383+9,826−53%

295▼76Gallatin County, MTMT128,740+9,780−44%

296▼31Butler County, OHOH400,128+9,771−76%

297▲328Jasper County, SCSC38,533+9,742+88%

298▲84Effingham County, GAGA74,397+9,628−19%

299▲227Catawba County, NCNC170,172+9,562−59%

300▼58Whatcom County, WAWA236,392+9,545−76%

301▲114Doña Ana County, NMNM229,091+9,530−76%

302▼150Thurston County, WAWA304,261+9,468−79%

303▲36Hawaii County, HIHI210,043+9,414−67%

304▲104Clark County, ININ130,451+9,358+8%

305▲12Boone County, KYKY145,316+9,348−67%

306▲183Caldwell County, TXTX55,150+9,267+60%

307▲642Kane County, ILIL525,757+9,235−89%

308▲99Kendall County, TXTX53,289+9,010−2%

309▲119Madison County, KYKY101,696+8,995−33%

310▲104Hood County, TXTX70,501+8,903−27%

311▲210Loudon County, TNTN63,764+8,878+13%

312▲64Chatham County, NCNC85,111+8,826−16%

313▲837Hendry County, FLFL48,276+8,657−17%

314▼88Ector County, TXTX173,801+8,630+294%

315▼16Ascension Parish, LALA135,105+8,605−53%

316▲277Dawson County, GAGA35,365+8,567+30%

317▲66Blount County, TNTN143,820+8,540−57%

318▲50Frederick County, VAVA99,955+8,536−37%

319▼46Harrison County, MSMS217,136+8,515−65%

320▼155Cleveland County, OKOK303,973+8,445−75%

321▼90Henrico County, VAVA342,775+8,386−81%

322▲81Clermont County, OHOH216,977+8,376−70%

323▲147Rowan County, NCNC155,096+8,221−58%

324▲96Washington County, TNTN141,199+8,198−45%

325▲61Tangipahoa Parish, LALA141,346+8,189−45%

326▼47Boone County, MOMO191,746+8,136−65%

327▼49Scott County, MNMN159,017+8,089−74%

328▲145Cass County, MOMO115,859+8,035−56%

329▲9Yolo County, CACA224,410+8,007−71%

330▲177McClain County, OKOK49,647+7,985+61%

331▼126Buncombe County, NCNC277,417+7,965−75%

332▼7Yellowstone County, MTMT172,692+7,961−50%

333▲186Burnet County, TXTX57,015+7,885−31%

334▲65Christian County, MOMO96,725+7,883−64%

335▲50Martin County, FLFL166,272+7,841−70%

336▲48Pickens County, SCSC139,198+7,794−54%

337▼112Hamilton County, OHOH838,418+7,779−137%

338▲308Kershaw County, SCSC73,166+7,763−14%

339▼89Kitsap County, WAWA283,374+7,763−82%

340▼25Platte County, MOMO114,400+7,682−52%

341▲153Box Elder County, UTUT65,320+7,654+22%

342▲135Pennington County, SDSD116,792+7,570+5%

343▲567McHenry County, ILIL317,751+7,522−90%

344▼81Passaic County, NJNJ531,624+7,506−79%

345▲29Twin Falls County, IDID97,539+7,493−30%

346▼9Carver County, MNMN114,379+7,457−67%

347▲117Walker County, TXTX83,842+7,442−31%

348▲18Monmouth County, NJNJ651,035+7,420−88%

349▲168Robertson County, TNTN80,175+7,372−43%

350▲1Bryan County, GAGA52,062+7,324−8%

351▲177Bonner County, IDID54,420+7,310−28%

352▼84Johnson County, IAIA160,044+7,190−52%

353▼114Fayette County, KYKY329,751+7,181−80%

354▲4Madison County, MSMS116,298+7,153−66%

355▲96Mesa County, COCO162,845+7,142−69%

356▲87Yuba County, CACA88,691+7,116+257%

357▲142St. Clair County, ALAL98,206+7,103−52%

358▲150Lincoln County, MOMO66,676+7,102−29%

359▼76Brown County, WIWI275,803+7,063−78%

360▲28Licking County, OHOH185,564+7,045−59%

361▲96Sherburne County, MNMN104,194+7,011−69%

362▲186Lee County, NCNC70,258+6,973−9%

363▲112Rogers County, OKOK102,197+6,957−55%

364▼56Dauphin County, PAPA293,351+6,950−50%

365▲30Taylor County, TXTX150,077+6,8690%

366▼223Howard County, MDMD339,183+6,866−89%

367▼41Leon County, FLFL299,048+6,850−85%

368▲66Bradley County, TNTN115,465+6,845−52%

369▲129Putnam County, TNTN86,612+6,758−38%

370▲74Kenton County, KYKY175,779+6,715−29%

371▲50Grant County, WAWA105,727+6,604−67%

372▲138Van Zandt County, TXTX66,130+6,589−35%

373▲208Luzerne County, PAPA332,126+6,532−173%

374▲280Henderson County, TXTX88,595+6,445−56%

375▲44Hanover County, VAVA116,423+6,444−72%

376▲49Butler County, PAPA200,169+6,406−71%

377▲105Jefferson County, MOMO233,132+6,393−76%

378▲133Wilson County, TXTX56,139+6,386−35%

379▲33Albany County, NYNY321,225+6,377+224%

380▲138Greene County, OHOH174,322+6,356−43%

381▲446Stanly County, NCNC68,830+6,3260%

382▲118Cullman County, ALAL94,009+6,143−38%

383▲195Medina County, TXTX56,881+6,133−49%

384▲53Henderson County, NCNC122,375+6,094−69%

385▼7Fayette County, GAGA125,156+5,962−79%

386▼21Albemarle County, VAVA118,356+5,961−47%

387▲197Marshall County, ALAL103,537+5,925−48%

388▲104Logan County, OKOK55,473+5,918+20%

389▲124Lewis County, WAWA88,062+5,913−36%

390▲351Lake County, ININ504,612+5,912−34%

391▼156Chesapeake, VAVA255,332+5,910−87%

392▲60San Benito County, CACA70,082+5,873−64%

393▼87Franklin County, WAWA102,612+5,863−51%

394▲112Lyon County, NVNV65,088+5,853−60%

395▲10Bulloch County, GAGA86,949+5,850−55%

396▼60Saratoga County, NYNY241,343+5,834−70%

397▲98Stearns County, MNMN164,110+5,818−60%

398▲1,592Valencia County, NMNM82,013+5,808−72%

399▲2,374Penobscot County, MEME157,967+5,768−443%

400▲96Nye County, NVNV57,336+5,745−61%

401▼52Craighead County, ARAR116,957+5,726−57%

402▲398Levy County, FLFL48,520+5,605−34%

403▲533Sullivan County, TNTN163,759+5,596−41%

404▲56Missoula County, MTMT123,513+5,591−67%

405▲96Rockingham County, VAVA89,316+5,559−46%

406▼170Richmond County, NYNY501,290+5,543−91%

407▼74Harford County, MDMD266,446+5,522−85%

408▼78Pulaski County, ARAR404,611+5,486−54%

409▲155Mason County, WAWA71,165+5,439−51%

410▲494Kennebec County, MEME129,067+5,425+348%

411▲199Jefferson County, WVWV63,102+5,401−14%

412▲450Long County, GAGA21,557+5,389+31%

413▲190Camden County, GAGA60,143+5,375−60%

414▲252Androscoggin County, MEME116,487+5,348−465%

415▲342Randolph County, NCNC149,516+5,345−78%

416▲261Jefferson County, TNTN60,024+5,341−53%

417▲177Louisa County, VAVA42,924+5,3280%

418▲231Bryan County, OKOK51,367+5,300+19%

419▼212Arlington County, VAVA243,931+5,288−71%

420▼64Outagamie County, WIWI195,894+5,189−75%

421▲178Oconee County, SCSC83,775+5,168−41%

422▲141Cumberland County, TNTN66,300+5,155−57%

423▼82Rankin County, MSMS162,181+5,150−82%

424▲115Culpeper County, VAVA57,666+5,114−21%

425▼3Scott County, KYKY62,262+5,107−44%

426▲164New Kent County, VAVA28,022+5,077+68%

427▼25James City County, VAVA83,326+5,072−62%

428▼119Broomfield County, COCO79,174+5,062–

429▲157Currituck County, NCNC33,158+5,058+14%

430▲412Liberty County, GAGA70,313+5,057−43%

431▲124Bedford County, TNTN55,273+5,036−30%

432▼272Macomb County, MIMI886,221+5,004−93%

433▼27Lake County, ILIL719,339+4,997−96%

434▲309Grimes County, TXTX34,252+4,984+6%

435▲2,266Madison County, ININ135,088+4,959+84%

436▲2,639Wayne County, NCNC122,278+4,945−43%

437▲379Anderson County, TNTN82,066+4,943+60%

438▲92Warren County, IAIA57,331+4,928+6%

439▼297Clackamas County, OROR426,280+4,879−92%

440▲119Hoke County, NCNC56,939+4,857−55%

441▲30Rockdale County, GAGA98,416+4,846−70%

442▲282Wood County, TXTX49,688+4,845−34%

443▼274Stanislaus County, CACA557,719+4,841−94%

444▲182Ingham County, MIMI289,709+4,809−286%

445▲2,277Dutchess County, NYNY300,708+4,797−77%

446▼128Burleigh County, NDND103,251+4,793−48%

447▼2St. Croix County, WIWI98,276+4,740−63%

448▲75Franklin County, PAPA160,652+4,720−43%

449▲377Suwannee County, FLFL48,149+4,675−42%

450▲102Jasper County, MOMO127,428+4,667−67%

451▼3Lowndes County, GAGA122,867+4,616−71%

452▲167Atascosa County, TXTX53,590+4,609−43%

453▲351Queen Anne's County, MDMD54,448+4,574−31%

454▲159Bannock County, IDID91,591+4,573−52%

455▲115Navarro County, TXTX57,181+4,557−12%

456▼87Barnstable County, MAMA233,539+4,543−87%

457▲105Coffee County, TNTN62,419+4,530−41%

458▲215Schenectady County, NYNY162,581+4,520−266%

459▲250Elbert County, COCO30,534+4,472−56%

460▲207Kittitas County, WAWA48,803+4,466−33%

461▲241Goochland County, VAVA29,187+4,460+65%

462▲264Pickaway County, OHOH62,978+4,439−1%

463▲193Jackson County, MSMS147,666+4,414−73%

464▲2,055Putnam County, FLFL77,734+4,413−18%

465▲163Ravalli County, MTMT48,582+4,408−60%

466▲111Jefferson County, IDID35,297+4,406+69%

467▲326Columbia County, FLFL74,094+4,396−68%

468▲1,946Nash County, NCNC99,365+4,395−59%

469▲237Habersham County, GAGA50,416+4,385−47%

470▲27Lewis and Clark County, MTMT75,331+4,358−47%

471▲112Dickson County, TNTN58,662+4,347−46%

472▲348Hamblen County, TNTN68,843+4,344−43%

473▲297Grady County, OKOK59,128+4,333+15%

474▲233Wakulla County, FLFL38,089+4,325−50%

475▲522Laurens County, SCSC71,848+4,309−62%

476▲2,475Craven County, NCNC105,025+4,305−56%

477▲485Pike County, PAPA62,808+4,273−77%

478▲24Merrimack County, NHNH158,078+4,270−74%

479▲7Bullitt County, KYKY86,454+4,237−69%

480▼90Linn County, OROR132,843+4,233−64%

481▼118Tippecanoe County, ININ190,456+4,205−77%

482▲289Gordon County, GAGA61,701+4,157−54%

483▲113Jessamine County, KYKY57,147+4,156−51%

484▼8Cowlitz County, WAWA114,885+4,155−62%

485▲6Strafford County, NHNH135,043+4,154−48%

486▲2,163Edgefield County, SCSC29,808+4,151−33%

487▼444Contra Costa County, CACA1,170,070+4,143−97%

488▲506McMinn County, TNTN57,404+4,128−38%

489▲1,014Atlantic County, NJNJ278,657+4,123−85%

490▼178Delaware County, PAPA580,937+4,107+28%

491▲85Champaign County, ILIL209,972+4,107−38%

492▼435District of Columbia, DCDC693,645+4,100−112%

493▲400Monroe County, GAGA32,023+4,066−12%

494▲1,877Roane County, TNTN57,395+3,991−15%

495▲227Webster County, MOMO43,054+3,969−46%

496▲141Pickens County, GAGA37,167+3,951−54%

497▼192Olmsted County, MNMN166,731+3,884−78%

498▲27Miami County, OHOH112,634+3,860−32%

499▲2,571Sussex County, NJNJ148,063+3,842−71%

500▲235Orange County, VAVA40,083+3,829−14%

SHOWING 1–500 OF 3,135

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Download CSV (full list, 3,135 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES

Frequently asked

Which county has the highest population change?

Harris County, Texas ranks #1 with +313,881 (2025 Census Population Estimates).

What are the top 5 counties by population change?

Harris County, Texas, Maricopa County, Arizona, Collin County, Texas, Denton County, Texas, Montgomery County, Texas.

How many counties are in this ranking?

3,135 counties qualify after filtering for population minimums and data availability. The ranking covers 2025 Census population estimates.

How is population change measured?

Change in the number of residents from the prior decennial census (raw count, not a percentage). Source: US Census Bureau, Population Estimates Program (2025).