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.

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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%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

19Utah County, UTUT759,859+100,460−4%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

41Ada County, IDID546,141+51,174−46%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

79Knox County, TNTN511,453+32,482−30%

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

81Bell County, TXTX402,248+31,601−33%

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

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

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

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

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

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

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

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

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

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

92Dane County, WIWI590,375+28,871−51%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

196Lee County, ALAL189,881+15,640−44%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

216Tuscaloosa County, ALAL241,368+14,332−0%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

273Richmond, VAVA237,257+10,647−302%

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

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

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

277Suffolk, VAVA104,699+10,375−10%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

293Iron County, UTUT67,141+9,852−24%

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

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

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

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

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

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

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

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

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

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

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

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

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

307Kane County, ILIL525,757+9,235−89%

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

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

310Hood County, TXTX70,501+8,903−27%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

328Cass County, MOMO115,859+8,035−56%

329Yolo County, CACA224,410+8,007−71%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

350Bryan County, GAGA52,062+7,324−8%

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

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

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

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

355Mesa County, COCO162,845+7,142−69%

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

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

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

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

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

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

362Lee County, NCNC70,258+6,973−9%

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

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

365Taylor County, TXTX150,077+6,869−0%

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

367Leon County, FLFL299,048+6,850−85%

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

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

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

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

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

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

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

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

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

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

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

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

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

381Stanly County, NCNC68,830+6,326−0%

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

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

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

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

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

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

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

389Lewis County, WAWA88,062+5,913−36%

390Lake County, ININ504,612+5,912−34%

391Chesapeake, VAVA255,332+5,910−87%

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

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

394Lyon County, NVNV65,088+5,853−60%

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

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

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

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

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

400Nye County, NVNV57,336+5,745−61%

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

402Levy County, FLFL48,520+5,605−34%

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

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

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

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

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

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

409Mason County, WAWA71,165+5,439−51%

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

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

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

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

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

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

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

417Louisa County, VAVA42,924+5,328+0%

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

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

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

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

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

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

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

425Scott County, KYKY62,262+5,107−44%

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

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

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

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

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

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

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

433Lake County, ILIL719,339+4,997−96%

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

435Madison County, ININ135,088+4,959+84%

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

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

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

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

440Hoke County, NCNC56,939+4,857−55%

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

442Wood County, TXTX49,688+4,845−34%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

468Nash County, NCNC99,365+4,395−59%

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

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

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

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

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

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

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

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

477Pike County, PAPA62,808+4,273−77%

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

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

480Linn County, OROR132,843+4,233−64%

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

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

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

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

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

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

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

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

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

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

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

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

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

494Roane County, TNTN57,395+3,991−15%

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

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

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

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

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

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

SHOWING 1–500 OF 3,135

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Download CSV (full list, 3,135 rows)

UPDATED 2026-07-15 · 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).