RANKING · 2010 CENSUS · 500 SHOWN OF 3,131

Youngest by median age, US counties · 2010

US counties with the youngest median age (2023 ACS). Radford, Virginia leads at 22.4. 3,131 counties qualify in total. South Dakota carries 5 of the top 25 entries.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Radford, VAVA17,24322.4−2%

02Madison County, IDID55,17222.6+9%

03Harrisonburg, VAVA50,83922.7+0%

04Lexington, VAVA7,76922.8−2%

05Williamsburg, VAVA15,86123.8+5%

06Todd County, SDSD8,86324.0+11%

07Chattahoochee County, GAGA8,46524.0+3%

08Riley County, KSKS72,59824.3+2%

09Whitman County, WAWA48,51224.4−1%

10Brazos County, TXTX249,08824.5+4%

11Utah County, UTUT759,85924.6+6%

12Buffalo County, SDSD1,80225.0+7%

13Clay County, SDSD15,03125.0+0%

14Isabella County, MIMI64,69125.1+0%

15Oktibbeha County, MSMS51,89625.4+2%

16Ziebach County, SDSD2,38925.4+7%

17Cache County, UTUT145,00025.5+7%

18Northwest Arctic, AKAK7,09525.7+8%

19Onslow County, NCNC217,17525.7+3%

20Bulloch County, GAGA86,94925.9−1%

21Clarke County, GAGA129,92125.9+2%

22Bethel Census Area, AKAK18,39126.2+4%

23Sioux County, NDND3,66726.3+10%

24Athens County, OHOH63,19726.3+2%

25Brookings County, SDSD37,63526.3−1%

26Pulaski County, MOMO54,44226.6−7%

27Montgomery County, VAVA98,43426.6+3%

28Story County, IAIA101,29126.7+1%

29Iron County, UTUT67,14126.8+11%

30Albany County, WYWY38,55826.8+0%

31Payne County, OKOK83,88927.3−1%

32Nome Census Area, AKAK9,83027.6+0%

33Lafayette County, MSMS59,59727.7+3%

34Monroe County, ININ143,34527.7+0%

35Tippecanoe County, ININ190,45627.7+2%

36Geary County, KSKS36,33827.7−5%

37Lincoln Parish, LALA48,36027.8+5%

38Charlottesville, VAVA44,38827.8+9%

39Webb County, TXTX281,22427.8+5%

40Liberty County, GAGA70,31327.9+12%

41Adair County, MOMO25,68428.3+1%

42Hidalgo County, TXTX921,54928.3+4%

43Zapata County, TXTX13,75328.3−8%

44Latah County, IDID41,84228.3+1%

45Watauga County, NCNC54,78628.4−5%

46Douglas County, KSKS120,92028.4+7%

47Franklin County, WAWA102,61228.4+1%

48Gaines County, TXTX23,95628.4−4%

49Sanpete County, UTUT31,45328.4+12%

50Nodaway County, MOMO20,17428.5−6%

51Centre County, PAPA157,39328.7+0%

52Bennett County, SDSD3,30728.7−2%

53Fredericksburg, VAVA30,39328.8−5%

54Champaign County, ILIL209,97228.9+1%

55McDonough County, ILIL25,91628.9−0%

56Seward County, KSKS21,07328.9−0%

57Christian County, KYKY70,11528.9+4%

58Dillingham Census Area, AKAK4,48329.0+0%

59Starr County, TXTX66,31929.0+11%

60Kleberg County, TXTX30,31529.0−1%

61Adams County, WAWA21,48829.0−2%

62Uintah County, UTUT38,27829.1+0%

63Monongalia County, WVWV107,99129.1−4%

64Jackson County, ILIL52,50129.1+6%

65Wayne County, NENE10,02029.2+5%

66Davis County, UTUT381,22729.2+9%

67Johnson County, IAIA160,04429.3+3%

68Juab County, UTUT13,56729.3+11%

69DeKalb County, ILIL101,83529.3+3%

70Thurston County, NENE6,75229.4−1%

71Lee County, ALAL189,88129.5+7%

72Merced County, CACA297,26029.6+2%

73Vernon Parish, LALA45,09129.6+5%

74Boone County, MOMO191,74629.6+0%

75Bell County, TXTX402,24829.6+1%

76Tooele County, UTUT87,46129.6+9%

77Tulare County, CACA485,14629.6+1%

78Leon County, FLFL299,04829.6+0%

79Grand Forks County, NDND74,50129.7+2%

80Holmes County, OHOH44,97029.7+6%

81Corson County, SDSD3,78129.7+5%

82Roosevelt County, NMNM18,61529.7+1%

83Duchesne County, UTUT20,85629.7+5%

84Norfolk, VAVA231,01329.7+0%

85Blue Earth County, MNMN70,63429.8−0%

86Johnson County, MOMO56,67029.8+5%

87Coryell County, TXTX85,59229.8+7%

88Nacogdoches County, TXTX66,03529.8+0%

89Tompkins County, NYNY104,04729.8+4%

90Lowndes County, GAGA122,86729.9−1%

91San Juan County, UTUT14,54229.9+17%

92Dewey County, SDSD5,41930.0+13%

93Montgomery County, TNTN249,93530.0+0%

94La Salle County, TXTX6,51730.0−9%

95Maverick County, TXTX58,82330.0+8%

96Elmore County, IDID29,46530.0+3%

97Jefferson County, IDID35,29730.0+4%

98Alachua County, FLFL290,02830.1+4%

99Finney County, KSKS37,50530.2+7%

100Lynchburg, VAVA81,34730.3−14%

101Hays County, TXTX304,39030.4+7%

102Lubbock County, TXTX328,90630.4−0%

103Yolo County, CACA224,41030.4+3%

104LaGrange County, ININ41,30530.4+3%

105Ford County, KSKS33,99330.4+2%

106Big Horn County, MTMT12,75230.5+2%

107Rolette County, NDND11,68830.5+6%

108Fresno County, CACA1,035,45630.6+2%

109Cameron County, TXTX433,94630.6+6%

110Long County, GAGA21,55730.6+15%

111Box Elder County, UTUT65,32030.6+9%

112Washington County, ARAR271,21330.7−0%

113Kern County, CACA927,06830.7+0%

114McKinley County, NMNM68,11930.7+14%

115Moore County, TXTX21,89130.7+1%

116Weber County, UTUT278,17430.7+5%

117Lake and Peninsula, AKAK1,35730.8+5%

118Zavala County, TXTX9,03730.8+6%

119Salt Lake County, UTUT1,220,91630.8+7%

120Hoke County, NCNC56,93930.9+3%

121Prince Edward County, VAVA22,39130.9−2%

122Manassas Park, VAVA16,56030.9+2%

123Fairbanks North Star, AKAK93,97231.0+5%

124Coconino County, AZAZ144,36831.0+5%

125Cumberland County, NCNC338,47331.0+5%

126Pitt County, NCNC182,93631.0+2%

127Deaf Smith County, TXTX18,62631.0+1%

128Erath County, TXTX43,91131.0−1%

129Kings County, CACA154,32731.1+3%

130Tuscaloosa County, ALAL241,36831.2−2%

131Custer County, OKOK28,17531.2−5%

132Forrest County, MSMS79,03431.3+5%

133Comanche County, OKOK122,15831.3+4%

134Texas County, OKOK20,32231.3+3%

135El Paso County, TXTX877,85831.3+4%

136Camden County, GAGA60,14331.3+11%

137Pike County, ALAL33,68831.4−3%

138Ingham County, MIMI289,70931.4+3%

139Ector County, TXTX173,80131.4−2%

140Echols County, GAGA3,68531.4+6%

141Bannock County, IDID91,59131.4+5%

142Menominee County, WIWI4,19931.4+13%

143Faulkner County, ARAR133,97931.5+2%

144Cass County, NDND201,79431.5+1%

145Suffolk County, MAMA791,89131.5−1%

146Curry County, NMNM46,65531.5+2%

147Jackson County, SDSD2,66631.5+3%

148Franklin County, IDID15,88931.5+14%

149Clay County, MNMN67,73431.6−2%

150Roosevelt County, MTMT10,24231.6−2%

151Benson County, NDND5,75931.6+1%

152Wasatch County, UTUT38,51431.6+7%

153Graham County, AZAZ40,15731.6+2%

154Coles County, ILIL46,60731.6+3%

155Canyon County, IDID275,12331.6+4%

156Clayton County, GAGA297,47131.6+5%

157Glacier County, MTMT13,46331.7+4%

158Rowan County, KYKY24,47631.7+6%

159San Bernardino County, CACA2,224,09131.7+5%

160Bonneville County, IDID135,77131.7−0%

161Jerome County, IDID26,36231.7−4%

162Waller County, TXTX69,85831.7+5%

163Ochiltree County, TXTX9,28431.8−6%

164Bingham County, IDID51,15331.8+7%

165Travis County, TXTX1,389,67031.9+5%

166Imperial County, CACA181,41131.9+3%

167Lea County, NMNM74,74931.9−4%

168Parmer County, TXTX9,67831.9−1%

169Campbell County, WYWY48,14531.9−1%

170Beaver County, UTUT7,30131.9+4%

171Kittitas County, WAWA48,80331.9+2%

172Morgan County, UTUT13,38332.0+12%

173Richmond, VAVA237,25732.0−6%

174Cassia County, IDID26,39732.0+3%

175Lincoln County, IDID5,60332.0−7%

176Tunica County, MSMS8,81932.1+5%

177Buffalo County, NENE51,17232.1+7%

178Benton County, OROR97,72832.1+3%

179Yuba County, CACA88,69132.1+2%

180McLean County, ILIL171,41932.1+5%

181Willacy County, TXTX19,97132.1+8%

182Manassas, VAVA44,33232.1+3%

183Grant County, WAWA105,72732.1+3%

184Harris County, TXTX5,045,02632.2+3%

185Yakima County, WAWA259,18532.2+3%

186Dallam County, TXTX7,50832.2+3%

187Hale County, TXTX31,81932.2+3%

188Rutherford County, TNTN386,35232.2+3%

189Ellis County, KSKS29,07532.2−2%

190Frio County, TXTX18,82332.3+5%

191Val Verde County, TXTX47,83532.3+5%

192Newport News, VAVA183,23032.3+1%

193Apache County, AZAZ64,44532.4+20%

194Doña Ana County, NMNM229,09132.4+7%

195Adams County, COCO554,66832.4+3%

196Kodiak Island, AKAK12,38732.5+3%

197Gallatin County, MTMT128,74032.5+6%

198Bailey County, TXTX6,96332.5−7%

199Titus County, TXTX31,56332.5+2%

200Washington County, UTUT213,67032.5+5%

201Dallas County, TXTX2,661,39732.5+5%

202Lyon County, KSKS32,26632.5+5%

203Crawford County, KSKS39,00832.6−4%

204East Baton Rouge Parish, LALA456,18032.6+3%

205Lancaster County, NENE334,04932.6+2%

206Jefferson County, NYNY111,54032.6+0%

207Richland County, SCSC434,95632.6+0%

208San Joaquin County, CACA823,81532.7+3%

209Warren County, KYKY149,37532.7+1%

210Ward County, NDND68,23332.7+1%

211McLennan County, TXTX272,02032.7+3%

212Cleveland County, OKOK303,97332.7+2%

213Clark County, IDID78332.7+7%

214Sioux County, IAIA36,77432.7−0%

215Coahoma County, MSMS19,84932.8+8%

216Holmes County, MSMS15,46532.8+10%

217Leflore County, MSMS25,68632.8+9%

218Dakota County, NENE21,68732.8+4%

219Bronx County, NYNY1,406,33232.8+5%

220Lincoln County, SDSD77,14532.8−4%

221Bexar County, TXTX2,160,08832.8+2%

222Taylor County, TXTX150,07732.8+2%

223Yoakum County, TXTX7,43832.8−4%

224Sweetwater County, WYWY41,26732.8−4%

225Hardee County, FLFL25,93232.8+0%

226Hendry County, FLFL48,27632.8+11%

227Grant County, KSKS7,02832.8+4%

228Wyandotte County, KSKS170,59732.8+1%

229Emery County, UTUT10,17732.8+9%

230Sevier County, UTUT22,82732.8+8%

231Anchorage, AKAK287,15532.9+2%

232Monterey County, CACA433,72932.9+4%

233Sarpy County, NENE208,30332.9+4%

234St. Bernard Parish, LALA45,64232.9−10%

235Stanislaus County, CACA557,71932.9+4%

236Alamosa County, COCO16,68832.9+8%

237Kendall County, ILIL145,47032.9−4%

238Madera County, CACA167,92733.0+1%

239Lamar County, MSMS67,40333.0+1%

240Dawes County, NENE7,85833.0+8%

241San Juan County, NMNM120,34033.0+6%

242Denton County, TXTX1,069,34633.0+6%

243Potter County, TXTX114,45333.0+3%

244Houghton County, MIMI37,84233.1−3%

245Winona County, MNMN50,52333.1+1%

246Hinds County, MSMS211,88833.1+4%

247Orange County, NCNC152,49833.1+9%

248Weld County, COCO378,42633.1+7%

249Richmond County, GAGA206,55933.2+3%

250Lafayette Parish, LALA257,94933.2+2%

251Beltrami County, MNMN47,05533.2+5%

252Leake County, MSMS21,66233.2−5%

253Craighead County, ARAR116,95733.2+1%

254Dougherty County, GAGA82,61633.2+3%

255Power County, IDID8,24633.2+5%

256Teton County, IDID13,25433.2+6%

257Durham County, NCNC347,24033.2+3%

258Natchitoches Parish, LALA36,08933.3+10%

259Washtenaw County, MIMI370,21433.3+6%

260Stearns County, MNMN164,11033.3+5%

261Claiborne County, MSMS8,05833.3+30%

262Peach County, GAGA29,87733.3+5%

263Elko County, NVNV54,81533.4+7%

264Andrews County, TXTX18,91433.4−2%

265Tarrant County, TXTX2,248,46633.4+3%

266Arlington County, VAVA243,93133.4−2%

267Eau Claire County, WIWI109,03333.4+3%

268Franklin County, OHOH1,361,53633.4+3%

269Atkinson County, GAGA8,45433.4+9%

270Lanier County, GAGA10,62333.4+0%

271Dawson County, TXTX11,77633.4−6%

272Clark County, ARAR20,93833.5+5%

273Colusa County, CACA21,83633.5+6%

274Sunflower County, MSMS22,89333.5+11%

275Douglas County, NENE606,46033.5−0%

276Midland County, TXTX187,85533.5−2%

277Reagan County, TXTX3,16633.5+3%

278Prince William County, VAVA502,96633.5+5%

279Dunn County, WIWI46,22333.5+9%

280Carroll County, GAGA131,03633.5+3%

281Muscogee County, GAGA202,17133.5+3%

282Fremont County, IDID14,20833.5+5%

283Hamilton County, KSKS2,50033.5−11%

284Harnett County, NCNC150,13733.5+3%

285Philadelphia County, PAPA1,574,28133.5−2%

286Tangipahoa Parish, LALA141,34633.6+4%

287Hockley County, TXTX21,60033.6+1%

288Santa Barbara County, CACA442,06533.6+1%

289Barrow County, GAGA99,77333.6+3%

290Milwaukee County, WIWI924,21633.6−0%

291Sevier County, ARAR15,75833.7+0%

292Riverside County, CACA2,544,91633.7+2%

293Childress County, TXTX6,64333.7−8%

294Garza County, TXTX4,51033.7−4%

295Schleicher County, TXTX2,24533.7−13%

296Millard County, UTUT14,05733.7+13%

297Denver County, COCO740,61333.7+2%

298Orange County, FLFL1,528,00233.7+1%

299Gwinnett County, GAGA1,018,09933.7+4%

300Fayette County, KYKY329,75133.7+2%

301Madison County, KYKY101,69633.7+10%

302Yuma County, AZAZ224,44933.8−0%

303Phelps County, MOMO45,24733.8−3%

304District of Columbia, DCDC693,64533.8−2%

305Paulding County, GAGA190,99633.8+8%

306Sumter County, GAGA28,80133.8+4%

307Davidson County, TNTN745,90433.9−1%

308Stevens County, MNMN9,74733.9+0%

309St. Louis, MOMO278,14433.9+1%

310Castro County, TXTX7,29533.9+5%

311Uinta County, WYWY20,72833.9+8%

312Mecklenburg County, NCNC1,233,38333.9+2%

313Marion County, ININ992,19633.9+1%

314Sherburne County, MNMN104,19433.9+8%

315Wichita County, TXTX129,55533.9+2%

316Calloway County, KYKY39,42134.0−1%

317Mecosta County, MIMI42,32034.0+7%

318Bolivar County, MSMS28,26234.0+14%

319Eagle County, COCO54,29134.0+9%

320Chatham County, GAGA311,85534.0−1%

321Whitfield County, GAGA106,21234.0+3%

322Adams County, ININ36,65034.0+3%

323Kings County, NYNY2,653,96334.1+3%

324Ouachita Parish, LALA158,54234.1+6%

325Kalamazoo County, MIMI263,79534.1+4%

326Benton County, MNMN41,74434.1+7%

327Lyon County, MNMN25,68434.1+0%

328Nicollet County, MNMN34,27334.1+5%

329El Paso County, COCO757,04034.1+3%

330Baldwin County, GAGA44,02934.1−0%

331Crittenden County, ARAR46,21034.2+7%

332Colfax County, NENE10,93434.2−2%

333Mellette County, SDSD2,13734.2+7%

334Williamson County, TXTX752,82734.2+6%

335Hudson County, NJNJ735,03334.2+2%

336Fulton County, GAGA1,098,79134.2+5%

337Sedgwick County, KSKS538,43334.2+2%

338Benton County, ARAR332,55434.3−3%

339San Benito County, CACA70,08234.3+9%

340Ascension Parish, LALA135,10534.3+7%

341Missoula County, MTMT123,51334.3+3%

342Tom Green County, TXTX120,60234.3+1%

343Gooding County, IDID16,44634.3−2%

344East Carroll Parish, LALA6,76034.3+11%

345Oklahoma County, OKOK822,12534.3+0%

346Gunnison County, COCO17,43934.3+13%

347DeKalb County, GAGA774,39434.3+6%

348Dallas County, IAIA118,45734.3−2%

349Haskell County, KSKS3,59934.3+11%

350Wake County, NCNC1,257,23534.4+5%

351Baltimore, MDMD569,99734.4−2%

352Kent County, MIMI675,23234.4+6%

353Humphreys County, MSMS7,00134.4+13%

354Robeson County, NCNC119,94134.4+7%

355Oldham County, TXTX1,78334.4+5%

356Dane County, WIWI590,37534.4+4%

357Twin Falls County, IDID97,53934.4−1%

358Livingston Parish, LALA155,03634.4+5%

359Black Hawk County, IAIA131,53234.4+0%

360Stevens County, KSKS4,98434.4+2%

361Carbon County, UTUT20,68034.4+2%

362Kane County, ILIL525,75734.5+7%

363Ottawa County, MIMI308,45934.5+7%

364Cherokee County, OKOK49,19634.5+7%

365Berkeley County, SCSC274,66634.5+8%

366Madison County, TXTX14,22634.5+3%

367Pierce County, WIWI43,51934.5+7%

368Minnehaha County, SDSD212,69134.5+3%

369Sutter County, CACA98,78734.5+1%

370Garfield County, COCO63,47434.5+1%

371Hall County, GAGA226,56834.5+7%

372Houston County, GAGA178,21434.5+1%

373Tift County, GAGA42,25434.5+5%

374Walker County, TXTX83,84234.5+11%

375Maricopa County, AZAZ4,689,55834.6+5%

376Shelby County, TNTN910,22634.6+5%

377San Diego County, CACA3,282,24834.6+4%

378Madison Parish, LALA8,84434.6+16%

379Orleans Parish, LALA362,15434.6+5%

380Ramsey County, MNMN541,62334.6+3%

381Wright County, MNMN157,55934.6+5%

382Jackson County, OKOK24,76434.6+5%

383Jasper County, SCSC38,53334.6+2%

384Stafford County, VAVA170,80334.6+5%

385Navajo County, AZAZ109,94634.7+15%

386Bossier Parish, LALA131,86734.7+3%

387Hardin County, OHOH30,07234.7+4%

388Woods County, OKOK8,44334.7−8%

389Martin County, TXTX5,28434.7+7%

390Winkler County, TXTX7,54034.7−1%

391Newton County, GAGA125,58334.7+4%

392Polk County, IAIA516,54634.7+1%

393Gray County, KSKS5,65234.7+5%

394Chaves County, NMNM63,36434.7−1%

395Rich County, UTUT2,68734.7+1%

396Matanuska-Susitna, AKAK118,66634.8+2%

397Greenlee County, AZAZ9,31234.8+4%

398Los Angeles County, CACA9,694,93434.8+9%

399Sacramento County, CACA1,618,46034.8+3%

400Caldwell County, TXTX55,15034.8+1%

401Loudoun County, VAVA449,74934.8+4%

402Scott County, MNMN159,01734.8+6%

403Coffee County, GAGA44,40734.8+8%

404Colquitt County, GAGA47,43834.8+3%

405Ada County, IDID546,14134.8+6%

406Delaware County, ININ113,10634.8+3%

407Pottawatomie County, KSKS27,18634.8−3%

408Montgomery County, ALAL225,89134.9+4%

409Mississippi County, ARAR37,82834.9+5%

410Scott County, MSMS28,07334.9+3%

411Pickens County, SCSC139,19834.9+7%

412Jim Wells County, TXTX38,80434.9+6%

413Virginia Beach, VAVA453,73734.9+7%

414Elkhart County, ININ208,77434.9+6%

415Prince George's County, MDMD970,37434.9+5%

416Lake County, COCO7,55235.0+15%

417Terrebonne Parish, LALA104,16335.0+6%

418Rice County, MNMN69,93935.0+6%

419DeSoto County, MSMS197,91835.0+4%

420Tallahatchie County, MSMS10,87735.0+5%

421Ellis County, TXTX240,86735.0+5%

422Fort Bend County, TXTX975,19135.0+5%

423Scott County, KYKY62,26235.0+8%

424Douglas County, GAGA154,29335.0+4%

425Hardin County, KYKY113,48235.0+4%

426Meade County, KYKY30,69935.0+9%

427Collin County, TXTX1,297,17935.0+6%

428North Slope, AKAK10,58235.1+30%

429Pope County, ARAR64,97635.1+1%

430Yazoo County, MSMS22,94735.1+4%

431Jasper County, MOMO127,42835.1+1%

432Blaine County, MTMT6,86035.1+2%

433Hill County, MTMT16,16735.1+2%

434Marion County, OROR355,77735.1+4%

435Brazoria County, TXTX419,08035.1+3%

436Nueces County, TXTX352,99235.1+5%

437Terry County, TXTX11,72035.1+0%

438Effingham County, GAGA74,39735.1+4%

439Woodbury County, IAIA106,64935.1+3%

440Winchester, VAVA28,27235.1−0%

441Tulsa County, OKOK698,78235.2+2%

442Crane County, TXTX4,55435.2+3%

443La Crosse County, WIWI121,33935.2+5%

444Cook County, ILIL5,194,62535.3+5%

445Yukon-Koyukuk Census Area, AKAK5,02835.3+14%

446Pinal County, AZAZ539,38035.3−5%

447Lonoke County, ARAR76,66435.3+2%

448Glenn County, CACA28,14135.3+5%

449Wood County, OHOH134,17635.3+8%

450Harrison County, MSMS217,13635.3+4%

451Neshoba County, MSMS28,73235.3+2%

452Washington County, MSMS40,44635.3+12%

453Washington County, OROR611,70835.3+7%

454Gregg County, TXTX126,09535.3+1%

455Randall County, TXTX152,35135.3+1%

456Grant County, KYKY26,18135.3+8%

457Henry County, GAGA264,92235.3+6%

458Minidoka County, IDID22,91135.3+5%

459Allen County, ININ402,32935.3+4%

460Uvalde County, TXTX24,96335.3+10%

461Bee County, TXTX32,51535.4+11%

462Beckham County, OKOK22,15935.4−3%

463Sumter County, SCSC105,06735.4+6%

464Mitchell County, TXTX8,94735.4−8%

465Reeves County, TXTX12,13835.4+10%

466Cobb County, GAGA793,34535.4+7%

467Kaufman County, TXTX209,23535.4+1%

468Will County, ILIL712,25335.4+6%

469Daviess County, ININ34,20935.4−0%

470Clark County, NVNV2,407,22635.5+3%

471Hanson County, SDSD3,45635.5−1%

472Hansford County, TXTX4,94435.5−3%

473St. John the Baptist Parish, LALA39,87535.5+11%

474Hampton, VAVA137,31535.5+4%

475Larimer County, COCO377,29235.5+7%

476Kearny County, KSKS3,88835.5+12%

477Santa Cruz County, AZAZ50,02035.6+12%

478Iberia Parish, LALA66,84635.6+7%

479Lincoln County, MOMO66,67635.6+3%

480Jim Hogg County, TXTX4,55535.6+5%

481Smith County, TXTX252,54935.6+0%

482Alexandria, VAVA160,66235.6+3%

483Dorchester County, SCSC178,39735.6+3%

484Osceola County, FLFL481,71835.6+3%

485Bibb County, GAGA157,55635.6+3%

486Hamilton County, ININ387,03635.6+4%

487Stanton County, KSKS1,98635.6+5%

488Benton County, WAWA221,72235.6+3%

489Multnomah County, OROR795,39135.7+2%

490Boone County, KYKY145,31635.7+7%

491Acadia Parish, LALA57,03235.7+6%

492Wicomico County, MDMD106,89935.7−0%

493Canadian County, OKOK187,18935.7+1%

494Umatilla County, OROR81,11935.7+3%

495Cochran County, TXTX2,54635.7+2%

496Dimmit County, TXTX8,02435.7+13%

497Portsmouth, VAVA96,77735.7+3%

498Arapahoe County, COCO673,82035.7+3%

499Bryan County, GAGA52,06235.7+7%

500Pontotoc County, OKOK38,52835.7+0%

SHOWING 1–500 OF 3,131

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Download CSV (full list, 3,131 rows)

UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES

Frequently asked

Which county has the lowest median age?

Radford, Virginia ranks #1 with 22.4 (2010 American Community Survey).

What are the top 5 counties by median age?

Radford, Virginia, Madison County, Idaho, Harrisonburg, Virginia, Lexington, Virginia, Williamsburg, Virginia.

How many counties are in this ranking?

3,131 counties qualify after filtering for population minimums and data availability. The ranking covers 2010 ACS 5-year data.

How is median age measured?

Median age of all residents. Source: US Census Bureau, American Community Survey 5-year estimates (2010).