RANKING · 2020 CENSUS · 500 SHOWN OF 3,134

Newest housing stock, US counties · 2020

US counties ranked by median year housing was built (2020 ACS). McKenzie County, North Dakota leads at 2005. 3,134 counties qualify in total. Texas carries 8 of the top 25 entries.

Flip the list · Oldest housing stock, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 1990

USUnited States331,449,2811977–

01McKenzie County, NDND15,1922005+2%

02Cameron Parish, LALA4,7182004+2%

03Sumter County, FLFL157,7722004+1%

04Hays County, TXTX304,3902003+1%

05Dallas County, IAIA118,4572003+2%

06Pinal County, AZAZ539,3802002+1%

07Rockwall County, TXTX140,7382002+1%

08Williamson County, TXTX752,8272002+1%

09Forsyth County, GAGA282,8052002+1%

10Lincoln County, SDSD77,1452001+2%

11Wasatch County, UTUT38,5142001+1%

12Fort Bend County, TXTX975,1912001+1%

13Montgomery County, TXTX781,1942001+1%

14Chambers County, TXTX57,5942000+1%

15Comal County, TXTX209,1662000+1%

16Loudoun County, VAVA449,7492000+1%

17Madison County, IDID55,1722000+1%

18Teton County, IDID13,2542000+2%

19Kendall County, ILIL145,4702000+2%

20Ascension Parish, LALA135,1051999+1%

21Plaquemines Parish, LALA22,2561999+1%

22Kendall County, TXTX53,2891999+1%

23Washington County, UTUT213,6701999+1%

24Livingston Parish, LALA155,0361999+1%

25Broomfield County, COCO79,1741999–

26Douglas County, COCO399,3961999+1%

27Flagler County, FLFL140,3601999+1%

28Osceola County, FLFL481,7181999+1%

29St. Johns County, FLFL346,3281999+1%

30Henry County, GAGA264,9221999+1%

31Paulding County, GAGA190,9961999+1%

32Collin County, TXTX1,297,1791999+1%

33Brunswick County, NCNC174,7021998+1%

34Delaware County, OHOH242,0321998+1%

35Williamson County, TNTN272,0611998+1%

36Denton County, TXTX1,069,3461998+1%

37Kaufman County, TXTX209,2351998+1%

38Morgan County, UTUT13,3831998+1%

39Walton County, FLFL93,2881998+1%

40Barrow County, GAGA99,7731998+1%

41Bryan County, GAGA52,0621998+1%

42Cherokee County, GAGA299,2731998+1%

43Effingham County, GAGA74,3971998+1%

44Jackson County, GAGA99,2651998+1%

45Hamilton County, ININ387,0361998+1%

46Lafayette County, MSMS59,5971997+1%

47Warren County, MOMO39,0161997+1%

48Hoke County, NCNC56,9391997+1%

49Union County, NCNC267,6741997+1%

50Williams County, NDND41,7671997+1%

51Guadalupe County, TXTX201,1111997+1%

52Sequatchie County, TNTN17,8611997+1%

53Rutherford County, TNTN386,3521997+1%

54Wake County, NCNC1,257,2351996+1%

55Christian County, MOMO96,7251996+1%

56Hancock County, MSMS46,8731996+1%

57Lamar County, MSMS67,4031996+1%

58Clark County, NVNV2,407,2261996+1%

59Nye County, NVNV57,3361996+1%

60Jasper County, SCSC38,5331996+1%

61York County, SCSC306,8871996+1%

62Hidalgo County, TXTX921,5491996+1%

63McMullen County, TXTX5441996+1%

64Parker County, TXTX184,7671996+1%

65Utah County, UTUT759,8591996+1%

66King George County, VAVA29,6461996+1%

67Scott County, KYKY62,2621996+1%

68Spencer County, KYKY20,9981996+1%

69Scott County, MNMN159,0171996+1%

70Sussex County, DEDE277,1401996+1%

71Nassau County, FLFL106,8791996+1%

72Wakulla County, FLFL38,0891996+1%

73Columbia County, GAGA169,1891996+1%

74Coweta County, GAGA160,2401996+1%

75Dawson County, GAGA35,3651996+1%

76Gilmer County, GAGA33,8941996+1%

77Lumpkin County, GAGA36,1781996+1%

78Newton County, GAGA125,5831996+1%

79Wilson County, TXTX56,1391996+1%

80Lee County, ALAL189,8811995+1%

81Boone County, KYKY145,3161995+1%

82Benton County, ARAR332,5541995+1%

83Faulkner County, ARAR133,9791995+1%

84Lonoke County, ARAR76,6641995+1%

85Baldwin County, ALAL267,7611995+1%

86DeSoto County, MSMS197,9181995+1%

87Currituck County, NCNC33,1581995+1%

88Johnston County, NCNC256,4481995+1%

89Onslow County, NCNC217,1751995+1%

90Pender County, NCNC72,1111995+1%

91Deschutes County, OROR213,0721995+1%

92Berkeley County, SCSC274,6661995+1%

93Fayette County, TNTN45,0711995+1%

94Ellis County, TXTX240,8671995+1%

95Tooele County, UTUT87,4611995+2%

96James City County, VAVA83,3261995+1%

97Spotsylvania County, VAVA155,3881995+1%

98Stafford County, VAVA170,8031995+1%

99Shelby County, ALAL238,5521995+1%

100Hendricks County, ININ193,5101995+1%

101Saline County, ARAR133,2881995+1%

102Lancaster County, SCSC114,2961995+1%

103Archuleta County, COCO14,3061995+1%

104Manassas Park, VAVA16,5601995+2%

105Elmore County, ALAL91,5771994+1%

106St. Clair County, ALAL98,2061994+1%

107Santa Rosa County, FLFL211,1151994+1%

108St. Tammany Parish, LALA279,1081994+1%

109Madison County, MSMS116,2981994+1%

110Tunica County, MSMS8,8191994+1%

111Lincoln County, MOMO66,6761994+1%

112Pulaski County, MOMO54,4421994+1%

113Gallatin County, MTMT128,7401994+1%

114Lyon County, NVNV65,0881994+1%

115Beaufort County, SCSC204,4331994+1%

116Horry County, SCSC427,5511994+1%

117Montgomery County, TNTN249,9351994+1%

118Goochland County, VAVA29,1871994+1%

119King William County, VAVA19,6171994+1%

120Berkeley County, WVWV139,5221994+1%

121White County, GAGA29,8021994+1%

122Sandoval County, NMNM159,5651994+1%

123Pickens County, GAGA37,1671994+1%

124Canyon County, IDID275,1231994+1%

125Dorchester County, SCSC178,3971994+1%

126Carver County, MNMN114,3791994+1%

127Wilson County, TNTN175,0331994+1%

128Walton County, GAGA112,6961994+1%

129Elbert County, COCO30,5341994+1%

130Weld County, COCO378,4261994+1%

131Collier County, FLFL417,1311994+1%

132Gilchrist County, FLFL20,4881994+1%

133Lake County, FLFL456,0681994+1%

134Gwinnett County, GAGA1,018,0991994+1%

135Harris County, GAGA37,2801994+1%

136Lee County, GAGA34,1791994+1%

137Long County, GAGA21,5571994+1%

138Oconee County, GAGA44,8931994+1%

139Union County, GAGA27,8591994+1%

140Ada County, IDID546,1411994+1%

141McClain County, OKOK49,6471994+1%

142Webb County, TXTX281,2241994+1%

143Matanuska-Susitna, AKAK118,6661993+1%

144Mohave County, AZAZ228,1021993+1%

145Yavapai County, AZAZ252,5521993+1%

146Yuma County, AZAZ224,4491993+1%

147Washington County, ARAR271,2131993+1%

148Sevier County, TNTN101,3421993+1%

149Butts County, GAGA27,2181993+1%

150Rankin County, MSMS162,1811993+1%

151St. Charles County, MOMO426,4991993+1%

152Taney County, MOMO57,0011993+1%

153Cabarrus County, NCNC249,7251993+1%

154Chatham County, NCNC85,1111993+1%

155Iredell County, NCNC211,7981993+1%

156Bastrop County, TXTX118,9081993+1%

157Brazoria County, TXTX419,0801993+1%

158Brazos County, TXTX249,0881993+1%

159Hood County, TXTX70,5011993+1%

160Fluvanna County, VAVA28,9751993+1%

161Louisa County, VAVA42,9241993+1%

162New Kent County, VAVA28,0221993+1%

163Prince William County, VAVA502,9661993+1%

164Burnet County, TXTX57,0151993+1%

165Mecklenburg County, NCNC1,233,3831993+1%

166Cumberland County, TNTN66,3001993+1%

167Powhatan County, VAVA32,5911993+1%

168Sherburne County, MNMN104,1941993+1%

169Ouray County, COCO5,2651993+1%

170San Miguel County, COCO7,7531993+1%

171Clay County, FLFL239,5931993+1%

172Gulf County, FLFL15,9431993+1%

173Lee County, FLFL875,6071993+1%

174Bulloch County, GAGA86,9491993+1%

175Camden County, GAGA60,1431993+1%

176Douglas County, GAGA154,2931993+1%

177Fannin County, GAGA26,1111993+1%

178Greene County, GAGA21,3671993+1%

179Hall County, GAGA226,5681993+1%

180McIntosh County, GAGA11,9891993+1%

181Towns County, GAGA13,2851993+1%

182Kootenai County, IDID191,8641993+1%

183Gallatin County, KYKY8,8401993+1%

184Harnett County, NCNC150,1371993+1%

185Waller County, TXTX69,8581993+1%

186Travis County, TXTX1,389,6701992+1%

187Autauga County, ALAL61,9201992+1%

188Limestone County, ALAL122,9281992+1%

189Placer County, CACA442,0811992+1%

190St. Lucie County, FLFL402,4491992+1%

191Wright County, MNMN157,5591992+1%

192Harrison County, MSMS217,1361992+1%

193Sarpy County, NENE208,3031992+1%

194Franklin County, NCNC82,0371992+1%

195Perquimans County, NCNC13,4901992+1%

196Pitt County, NCNC182,9361992+1%

197Warren County, OHOH257,1811992+1%

198Bledsoe County, TNTN15,9201992+1%

199Meigs County, TNTN14,1861992+1%

200Bell County, TXTX402,2481992+1%

201Blanco County, TXTX13,5811992+1%

202Wise County, TXTX83,7781992+1%

203Kane County, UTUT8,5971992+1%

204Frederick County, VAVA99,9551992+1%

205Columbia County, FLFL74,0941992+1%

206Putnam County, GAGA23,7221992+1%

207Union County, TNTN21,4501992+1%

208St. Croix County, WIWI98,2761992+1%

209Pike County, GAGA20,9321992+1%

210Franklin County, WAWA102,6121992+1%

211Bandera County, TXTX22,8761992+1%

212Baker County, FLFL29,7371992+1%

213Bartow County, GAGA120,8001992+1%

214Lanier County, GAGA10,6231992+1%

215Liberty County, GAGA70,3131992+1%

216Marion County, GAGA7,6761992+1%

217Boone County, ININ80,6891992+1%

218Madison County, KYKY101,6961992+1%

219Oldham County, KYKY70,9861992+1%

220Summit County, UTUT43,1411992+1%

221Tuscaloosa County, ALAL241,3681991+1%

222White County, ARAR80,0851991+1%

223Sumner County, TNTN215,5381991+1%

224Tipton County, TNTN62,2871991+1%

225Park County, COCO18,3141991+1%

226Bullitt County, KYKY86,4541991+1%

227Stone County, MSMS19,6541991+1%

228Tate County, MSMS28,7251991+1%

229Madison County, MTMT10,0261991+1%

230Camden County, NCNC11,3151991+1%

231Canadian County, OKOK187,1891991+1%

232Crook County, OROR27,5641991+1%

233Loudon County, TNTN63,7641991+1%

234Monroe County, TNTN49,7301991+1%

235Aransas County, TXTX26,1461991+1%

236Grimes County, TXTX34,2521991+1%

237Johnson County, TXTX218,0481991+1%

238Maverick County, TXTX58,8231991+1%

239Medina County, TXTX56,8811991+1%

240San Jacinto County, TXTX29,4881991+1%

241Somervell County, TXTX10,2611991+1%

242Starr County, TXTX66,3191991+1%

243Iron County, UTUT67,1411991+1%

244Buckingham County, VAVA17,1371991+1%

245Orange County, VAVA40,0831991+1%

246Prince George County, VAVA43,9361991+1%

247York County, VAVA71,3741991+1%

248Greene County, VAVA21,9581991+1%

249Union County, OHOH73,4461991+1%

250Wagoner County, OKOK93,2631991+1%

251Eagle County, COCO54,2911991+1%

252Garfield County, COCO63,4741991+1%

253Kent County, DEDE194,7861991+1%

254Marion County, FLFL442,6601991+1%

255Orange County, FLFL1,528,0021991+1%

256Banks County, GAGA21,2731991+1%

257Brantley County, GAGA18,9361991+1%

258Crawford County, GAGA12,2061991+1%

259Fayette County, GAGA125,1561991+0%

260Habersham County, GAGA50,4161991+1%

261Houston County, GAGA178,2141991+1%

262Lowndes County, GAGA122,8671991+1%

263Monroe County, GAGA32,0231991+1%

264Valley County, IDID12,8311991+1%

265Will County, ILIL712,2531991+1%

266Switzerland County, ININ10,0371991+1%

267Shelby County, KYKY51,2431991+1%

268Lincoln County, NCNC98,6541991+1%

269Davis County, UTUT381,2271991+1%

270Suffolk, VAVA104,6991991+1%

271Clark County, WAWA532,1191991+1%

272Haines, AKAK2,0681990+1%

273Calvert County, MDMD94,4841990+1%

274Maricopa County, AZAZ4,689,5581990+1%

275Grant County, ARAR18,7561990+1%

276Cass County, NDND201,7941990+1%

277Stone County, ARAR12,7031990+1%

278Jones County, GAGA29,1711990+1%

279Schley County, GAGA4,5931990+1%

280Washington County, MNMN286,8951990+1%

281Oktibbeha County, MSMS51,8961990+1%

282Pearl River County, MSMS59,3631990+1%

283Perry County, MSMS11,5771990+1%

284Boone County, MOMO191,7461990+1%

285Stone County, MOMO32,5031990+1%

286Webster County, MOMO43,0541990+1%

287Cherokee County, NCNC30,8301990+1%

288Craven County, NCNC105,0251990+1%

289New Hanover County, NCNC245,9591990+1%

290Rogers County, OKOK102,1971990+1%

291Georgetown County, SCSC65,9121990+1%

292Lexington County, SCSC317,5881990+1%

293Moore County, TNTN6,9201990+1%

294Atascosa County, TXTX53,5901990+1%

295Cameron County, TXTX433,9461990+1%

296Gillespie County, TXTX28,5271990+1%

297Leon County, TXTX16,8941990+1%

298Liberty County, TXTX121,3641990+1%

299Rains County, TXTX13,5421990+1%

300Wood County, TXTX49,6881990+1%

301Culpeper County, VAVA57,6661990+1%

302Hardin County, TXTX58,7231990+1%

303Teton County, WYWY23,3331990+1%

304Rowan County, KYKY24,4761990+1%

305Grant County, KYKY26,1811990+1%

306Craighead County, ARAR116,9571990+1%

307Montrose County, COCO44,5911990+1%

308Robertson County, TNTN80,1751990+1%

309Johnson County, ININ174,2621990+1%

310Laurel County, KYKY63,7461990+1%

311Nelson County, KYKY49,0361990+1%

312Chaffee County, COCO20,8311990+1%

313Larimer County, COCO377,2921990+1%

314Camas County, IDID1,3161990+2%

315Hamilton County, FLFL14,1801990+1%

316Hernando County, FLFL221,7011990+0%

317Catoosa County, GAGA69,6281990+1%

318Murray County, GAGA41,6071990+1%

319Boise County, IDID8,5451990+1%

320Hancock County, ININ90,9691990+1%

321Charles County, MDMD176,5931990+1%

322St. Mary's County, MDMD116,6921990+1%

323Durham County, NCNC347,2401990+1%

324Moore County, NCNC110,6191990+1%

325Cherokee County, ALAL26,4131989+1%

326Lowndes County, ALAL9,3591989+1%

327Cass County, MOMO115,8591989+1%

328Scott County, TNTN22,6711989+1%

329Stewart County, TNTN14,4391989+1%

330Imperial County, CACA181,4111989+1%

331Riverside County, CACA2,544,9161989+1%

332Hillsborough County, FLFL1,574,1151989+1%

333Warren County, KYKY149,3751989+1%

334Tangipahoa Parish, LALA141,3461989+1%

335Chisago County, MNMN59,1421989+1%

336Douglas County, NVNV50,1111989+1%

337Elko County, NVNV54,8151989+1%

338Lander County, NVNV5,8721989+1%

339Storey County, NVNV4,2601989+1%

340Granville County, NCNC61,4211989+1%

341Washington County, OROR611,7081989+1%

342Greenville County, SCSC583,1251989+1%

343Chester County, TNTN17,9941989+1%

344Fentress County, TNTN20,3221989+1%

345Jefferson County, TNTN60,0241989+1%

346Macon County, TNTN27,6631989+1%

347Maury County, TNTN118,1311989+1%

348Austin County, TXTX33,6251989+1%

349Lampasas County, TXTX23,6571989+1%

350Lee County, TXTX18,7291989+1%

351Llano County, TXTX23,3531989+1%

352Hanover County, VAVA116,4231989+1%

353Jefferson County, WVWV63,1021989+1%

354Campbell County, WYWY48,1451989+1%

355Crook County, WYWY7,8521989+1%

356Caroline County, VAVA34,4131989+1%

357Washoe County, NVNV509,3861989+1%

358Madison County, ALAL433,5161989+1%

359Beauregard Parish, LALA36,6731989+1%

360Talbot County, GAGA5,7091989+1%

361Kershaw County, SCSC73,1661989+1%

362Monroe County, ILIL34,8401989+1%

363King and Queen County, VAVA6,7431989+1%

364Grand County, COCO16,4961989+1%

365La Plata County, COCO56,8981989+1%

366Routt County, COCO25,3291989+1%

367Bay County, FLFL204,4791989+1%

368Indian River County, FLFL172,7991989+1%

369Levy County, FLFL48,5201989+1%

370Polk County, FLFL874,7901989+1%

371Suwannee County, FLFL48,1491989+1%

372Union County, FLFL16,2501989+1%

373Atkinson County, GAGA8,4541989+1%

374Carroll County, GAGA131,0361989+1%

375Fulton County, GAGA1,098,7911989+1%

376Grady County, GAGA26,5901989+1%

377Hancock County, GAGA8,6821989+1%

378Boundary County, IDID13,9971989+1%

379McHenry County, ILIL317,7511989+1%

380Anderson County, KYKY25,2251989+1%

381Meade County, KYKY30,6991989+1%

382Trigg County, KYKY14,5121989+1%

383Franklin County, TXTX10,9941989+1%

384San Juan County, WAWA18,5771989+1%

385Thurston County, WAWA304,2611989+1%

386Pierce County, GAGA20,7641988+1%

387Kenai Peninsula, AKAK61,9511988+0%

388Coconino County, AZAZ144,3681988+1%

389La Paz County, AZAZ16,7111988+1%

390Navajo County, AZAZ109,9461988+1%

391Carroll County, ARAR29,2631988+1%

392Crawford County, ARAR62,6571988+1%

393Greene County, ARAR47,4111988+1%

394Madison County, ARAR18,4101988+1%

395Putnam County, TNTN86,6121988+1%

396Bacon County, GAGA11,0701988+1%

397Rockdale County, GAGA98,4161988+1%

398Washington County, KYKY12,3681988+1%

399Grant Parish, LALA22,0751988+1%

400West Feliciana Parish, LALA15,1341988+1%

401Marshall County, MSMS34,6541988+1%

402Callaway County, MOMO45,7651988+1%

403Johnson County, MOMO56,6701988+1%

404Platte County, MOMO114,4001988+1%

405Broadwater County, MTMT8,4931988+1%

406Doña Ana County, NMNM229,0911988+1%

407Santa Fe County, NMNM156,9071988+1%

408Clay County, NCNC12,2391988+1%

409Gates County, NCNC10,2341988+1%

410Pamlico County, NCNC12,7581988+1%

411Calhoun County, SCSC14,1881988+1%

412Colleton County, SCSC39,3821988+1%

413Oconee County, SCSC83,7751988+1%

414Pickens County, SCSC139,1981988+1%

415Saluda County, SCSC19,6801988+1%

416Cheatham County, TNTN42,7781988+1%

417Newton County, TXTX11,9541988+1%

418Uintah County, UTUT38,2781988+1%

419Albemarle County, VAVA118,3561988+1%

420Chesterfield County, VAVA397,1481988+1%

421Chesapeake, VAVA255,3321988+1%

422Isle of Wight County, VAVA41,3211988+1%

423Cobb County, GAGA793,3451988+0%

424Valencia County, NMNM82,0131988+1%

425Livingston County, MIMI197,3151988+1%

426Cleveland County, OKOK303,9731988+1%

427Jefferson County, FLFL16,0071988+1%

428Adams County, COCO554,6681988+1%

429Custer County, COCO5,5901988+1%

430Gilpin County, COCO6,0731988+1%

431Mineral County, COCO9101988+1%

432Teller County, COCO24,7561988+1%

433Charlotte County, FLFL217,2121988+0%

434Citrus County, FLFL171,6661988+0%

435Dixie County, FLFL18,0381988+1%

436Glades County, FLFL13,2701988+1%

437Liberty County, FLFL8,0351988+1%

438Okaloosa County, FLFL221,8101988+1%

439Pasco County, FLFL674,5161988+1%

440Candler County, GAGA11,2751988+1%

441Coffee County, GAGA44,4071988+1%

442Echols County, GAGA3,6851988+1%

443Gordon County, GAGA61,7011988+1%

444Haralson County, GAGA33,0661988+1%

445Jasper County, GAGA17,6321988+1%

446Montgomery County, GAGA8,6351988+1%

447Morgan County, GAGA22,0951988+1%

448Bonner County, IDID54,4201988+1%

449Allen County, KYKY22,5361988+1%

450Jessamine County, KYKY57,1471988+1%

451Lyon County, KYKY9,1231988+1%

452Menifee County, KYKY6,4301988+1%

453West Baton Rouge Parish, LALA28,7561988+1%

454Howard County, MDMD339,1831988+0%

455Henderson County, NCNC122,3751988+1%

456Grainger County, TNTN25,7391988+1%

457Walker County, TXTX83,8421988+1%

458Snohomish County, WAWA870,6561988+1%

459Conecuh County, ALAL10,8991987+1%

460Bethel Census Area, AKAK18,3911987+1%

461Denali, AKAK1,6161987–

462Southeast Fairbanks Census Area, AKAK7,2701987+0%

463Apache County, AZAZ64,4451987+1%

464Santa Cruz County, AZAZ50,0201987+1%

465Cleburne County, ARAR25,6721987+1%

466Independence County, ARAR38,7851987+1%

467Johnson County, ARAR26,2251987+1%

468Perry County, ARAR10,3091987+1%

469Van Buren County, ARAR16,2381987+1%

470Calaveras County, CACA46,6051987+1%

471Rhea County, TNTN34,8441987+1%

472Madera County, CACA167,9271987+1%

473Polk County, TXTX53,4341987+1%

474Rabun County, GAGA17,7641987+1%

475Johnson County, IAIA160,0441987+1%

476Bossier Parish, LALA131,8671987+1%

477De Soto Parish, LALA27,3811987+1%

478East Feliciana Parish, LALA18,9111987+1%

479Cass County, MNMN31,4301987+1%

480Choctaw County, MSMS8,0481987+1%

481George County, MSMS26,3311987+1%

482Jasper County, MSMS15,7851987+1%

483Lee County, MSMS83,7311987+1%

484Camden County, MOMO44,0471987+1%

485Flathead County, MTMT115,4291987+1%

486Torrance County, NMNM16,1001987+1%

487Carteret County, NCNC70,4691987+1%

488Dare County, NCNC38,2451987+0%

489Jackson County, NCNC45,0391987+1%

490Orange County, NCNC152,4981987+1%

491Swain County, NCNC14,0241987+1%

492Warren County, NCNC18,8981987+1%

493Logan County, OKOK55,4731987+1%

494Clarendon County, SCSC31,0431987+1%

495Edgefield County, SCSC29,8081987+1%

496Richland County, SCSC434,9561987+1%

497Bedford County, TNTN55,2731987+1%

498Lewis County, TNTN13,4871987+1%

499Marshall County, TNTN38,0711987+1%

500Pickett County, TNTN5,2191987+1%

SHOWING 1–500 OF 3,134

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Download CSV (full list, 3,134 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS

Frequently asked

Which county has the highest median year built?

McKenzie County, North Dakota ranks #1 with 2005 (2020 Decennial Census).

What are the top 5 counties by median year built?

McKenzie County, North Dakota, Cameron Parish, Louisiana, Sumter County, Florida, Hays County, Texas, Dallas County, Iowa.

How many counties are in this ranking?

3,134 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 Decennial Census data.

How is median year built measured?

Median year that housing structures were built. Source: US Census Bureau, 2020 Decennial Census.