RANKING · 1990 CENSUS · 500 SHOWN OF 3,122

Oldest housing stock, US counties · 1990

US counties ranked by oldest median year of construction (1990 ACS). San Francisco County, California leads at 1939. 3,122 counties qualify in total. Nebraska carries 14 of the top 25 entries. The median across all 3,122 is 1967.

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All statesAll rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS –

USUnited States248,709,8731966–

01San Francisco County, CACA826,0791939–

02Taylor County, IAIA5,8351939–

03Suffolk County, MAMA791,8911939–

04Houghton County, MIMI37,8421939–

05Keweenaw County, MIMI2,1861939–

06Fillmore County, MNMN21,5401939–

07Lac qui Parle County, MNMN6,7041939–

08Scotland County, MOMO4,7961939–

09St. Louis, MOMO278,1441939–

10Deer Lodge County, MTMT9,7091939–

11Wheatland County, MTMT2,1001939–

12Antelope County, NENE6,3521939–

13Banner County, NENE6861939–

14Boone County, NENE5,3551939–

15Boyd County, NENE1,6741939–

16Butler County, NENE8,5071939–

17Cedar County, NENE8,3731939–

18Clay County, NENE6,1701939–

19Cuming County, NENE8,8231939–

20Custer County, NENE10,5001939–

21Deuel County, NENE1,8621939–

22Dixon County, NENE5,6021939–

23Franklin County, NENE2,7951939–

24Frontier County, NENE2,6551939–

25Furnas County, NENE4,5241939–

26Garden County, NENE1,8041939–

27Hayes County, NENE8211939–

28Howard County, NENE6,5381939–

29Jefferson County, NENE7,0701939–

30Johnson County, NENE5,2181939–

31Logan County, NENE6691939–

32Nuckolls County, NENE4,1001939–

33Pawnee County, NENE2,5101939–

34Sherman County, NENE2,9241939–

35Sioux County, NENE1,1881939–

36Valley County, NENE4,0941939–

37Webster County, NENE3,3361939–

38Cayuga County, NYNY74,3651939–

39Chautauqua County, NYNY124,1261939–

40Fulton County, NYNY52,2161939–

41Montgomery County, NYNY50,0461939–

42Orleans County, NYNY39,8251939–

43Burke County, NDND2,1321939–

44Sargent County, NDND3,7111939–

45Lackawanna County, PAPA216,5021939–

46Northumberland County, PAPA89,9201939–

47Schuylkill County, PAPA145,0851939–

48Aurora County, SDSD2,8011939–

49Clark County, SDSD4,0311939–

50Douglas County, SDSD2,8881939–

51Faulk County, SDSD2,1781939–

52Hand County, SDSD3,1211939–

53Hanson County, SDSD3,4561939–

54Hyde County, SDSD1,1911939–

55Jerauld County, SDSD1,6541939–

56Kingsbury County, SDSD5,2841939–

57McCook County, SDSD5,9641939–

58Miner County, SDSD2,2811939–

59Sanborn County, SDSD2,3881939–

60Spink County, SDSD6,1551939–

61Turner County, SDSD9,3141939–

62Ottawa County, KSKS5,7441939–

63Greeley County, NENE2,1541939–

64Richardson County, NENE7,5301939–

65Polk County, NENE5,2701939–

66Greene County, IAIA8,6581939–

67San Juan County, COCO8131939–

68Sedgwick County, COCO2,2471939–

69Kalawao County, HIHI821939–

70Stark County, ILIL5,3191939–

71Rush County, ININ16,7671939–

72Adair County, IAIA7,4031939–

73Adams County, IAIA3,6171939–

74Audubon County, IAIA5,5091939–

75Clayton County, IAIA16,8451939–

76Fayette County, IAIA19,0471939–

77Harrison County, IAIA14,6231939–

78Ida County, IAIA6,7771939–

79Keokuk County, IAIA9,7971939–

80Monona County, IAIA8,5391939–

81Montgomery County, IAIA10,0021939–

82Tama County, IAIA16,7961939–

83Brown County, KSKS9,1041939–

84Clark County, KSKS1,9001939–

85Comanche County, KSKS1,6731939–

86Edwards County, KSKS2,6401939–

87Elk County, KSKS2,4581939–

88Jewell County, KSKS2,8301939–

89Lincoln County, KSKS2,8611939–

90Marshall County, KSKS9,8521939–

91Mitchell County, KSKS5,5901939–

92Nemaha County, KSKS10,0541939–

93Rawlins County, KSKS2,4311939–

94Republic County, KSKS4,6401939–

95Smith County, KSKS3,5661939–

96Stafford County, KSKS4,0051939–

97Washington County, KSKS5,5331939–

98Burt County, NENE6,6781939–

99Nance County, NENE3,2901939–

100Wayne County, NENE10,0201939–

101Herkimer County, NYNY59,2191939–

102Wyoming County, NYNY39,7411939–

103Philadelphia County, PAPA1,574,2811939–

104Otsego County, NYNY60,5891940–

105Sheridan County, NDND1,2961940–

106Pierce County, NENE7,3781940–

107Bureau County, ILIL32,5101940–

108Worth County, IAIA7,3381940–

109Chautauqua County, KSKS3,3211940–

110Luzerne County, PAPA332,1261940–

111Kings County, NYNY2,653,9631941–

112Gogebic County, MIMI14,2851941–

113Ransom County, NDND5,6171941–

114Hudson County, NJNJ735,0331941–

115Van Buren County, IAIA7,1311941–

116Ellsworth County, KSKS6,2571941–

117Garfield County, WAWA2,4161941–

118Norman County, MNMN6,3361942–

119Traverse County, MNMN3,1301942–

120Garfield County, NENE1,7101942–

121Harding County, NMNM6171942–

122Slope County, NDND6281942–

123Campbell County, SDSD1,3771942–

124Deuel County, SDSD4,4081942–

125Osceola County, IAIA5,9801942–

126Pocahontas County, IAIA6,8191942–

127Clay County, KSKS7,9901942–

128Norton County, KSKS5,2881942–

129Rush County, KSKS2,8451942–

130Perkins County, NENE2,8491943–

131Hamlin County, SDSD6,9001943–

132Silver Bow County, MTMT36,1181943–

133Hitchcock County, NENE2,4671943–

134Keya Paha County, NENE7921943–

135Thayer County, NENE4,8421943–

136Franklin County, NYNY46,5001943–

137New York County, NYNY1,664,8621943–

138Nelson County, NDND2,9631943–

139McKean County, PAPA38,9841943–

140Bon Homme County, SDSD7,2441943–

141Moody County, SDSD6,6321943–

142Caledonia County, VTVT30,4141943–

143Lafayette County, WIWI17,4781943–

144Greenwood County, KSKS5,8261943–

145Osborne County, KSKS3,2851943–

146Boone County, IAIA26,7991943–

147Franklin County, IAIA9,8681943–

148Howard County, IAIA9,4151943–

149Chase County, KSKS2,5721943–

150Cloud County, KSKS8,8331943–

151Kingman County, KSKS7,0291943–

152Carroll County, ILIL15,4191944–

153Decatur County, KSKS2,7161944–

154Colfax County, NENE10,9341944–

155Nemaha County, NENE7,1021944–

156Schenectady County, NYNY162,5811944–

157Wyandot County, OHOH21,5671944–

158Ohio County, WVWV40,4961944–

159Las Animas County, COCO14,3911944–

160Vermillion County, ININ15,4881944–

161Lyon County, IAIA12,3541944–

162Page County, IAIA14,8561944–

163Sac County, IAIA9,5251944–

164Washington County, IAIA22,6671944–

165Wayne County, IAIA6,7381944–

166Winneshiek County, IAIA19,7331944–

167Cheyenne County, KSKS2,6041944–

168Hodgeman County, KSKS1,6191944–

169Woodson County, KSKS3,1181944–

170Foard County, TXTX1,0441944–

171Baltimore, MDMD569,9971945–

172Berkshire County, MAMA128,2241945–

173Big Stone County, MNMN5,0541945–

174Worth County, MOMO1,9141945–

175Day County, SDSD5,4841945–

176Wabaunsee County, KSKS7,0181945–

177Mitchell County, IAIA10,6501945–

178Barber County, KSKS4,0831945–

179Benton County, ININ8,8831945–

180Cass County, IAIA12,9601945–

181Iowa County, IAIA16,5041945–

182Madison County, IAIA17,2701945–

183Shelby County, IAIA11,6891945–

184Dickinson County, KSKS18,6371945–

185Morrill County, NENE4,4041945–

186Faribault County, MNMN13,8881946–

187Swift County, MNMN9,7631946–

188Daniels County, MTMT1,6121946–

189Cambria County, PAPA128,9681946–

190Covington, VAVA5,6801946–

191Judith Basin County, MTMT2,1621946–

192Merrick County, NENE7,9051946–

193Hancock County, ILIL16,8031946–

194Scott County, ILIL4,8661946–

195O'Brien County, IAIA14,2201946–

196Ringgold County, IAIA4,6421946–

197Harper County, KSKS5,3701946–

198Wilson County, KSKS8,2991946–

199Lincoln County, MNMN5,5831947–

200Pipestone County, MNMN9,2601947–

201Sibley County, MNMN15,3561947–

202Yellow Medicine County, MNMN9,4771947–

203Atchison County, MOMO5,1751947–

204Arthur County, NENE3961947–

205Cattaraugus County, NYNY75,3901947–

206Cortland County, NYNY45,8501947–

207Rensselaer County, NYNY160,5101947–

208Alfalfa County, OKOK5,6491947–

209Blair County, PAPA119,5411947–

210Grant County, SDSD7,5341947–

211Hutchinson County, SDSD7,4131947–

212Blaine County, NENE4581947–

213District of Columbia, DCDC693,6451947–

214Ford County, ILIL13,2161947–

215Clinton County, ININ33,3221947–

216Huntington County, ININ37,2241947–

217Randolph County, ININ24,4381947–

218Benton County, IAIA26,0041947–

219Butler County, IAIA14,0491947–

220Calhoun County, IAIA9,5621947–

221Fremont County, IAIA6,5221947–

222Allegany County, MDMD66,8481947–

223Carroll County, MOMO8,4171948–

224Jackson County, MNMN9,8571948–

225Prairie County, MTMT1,1121948–

226Dundy County, NENE1,5681948–

227Fillmore County, NENE5,4581948–

228Knox County, NENE8,3351948–

229Oneida County, NYNY226,3921948–

230Queens County, NYNY2,358,1821948–

231McHenry County, NDND5,1301948–

232Sherman County, OROR2,0511948–

233Cameron County, PAPA4,2111948–

234Sheridan County, NENE4,8091948–

235Washington County, NYNY59,3531948–

236Crowley County, COCO5,6771948–

237Huerfano County, COCO7,0111948–

238Brown County, ILIL6,4011948–

239Fulton County, ILIL32,9011948–

240Mercer County, ILIL15,2291948–

241Cedar County, IAIA18,3591948–

242Cherokee County, IAIA11,3691948–

243Chickasaw County, IAIA11,6631948–

244Guthrie County, IAIA10,7821948–

245Lucas County, IAIA8,8471948–

246Wapello County, IAIA35,2101948–

247Woodbury County, IAIA106,6491948–

248Doniphan County, KSKS7,5941948–

249Marion County, KSKS11,6341948–

250Montgomery County, KSKS30,1771948–

251Ness County, KSKS2,6171948–

252Rice County, KSKS9,2661948–

253Fayette County, PAPA123,0211948–

254Piute County, UTUT1,5091948–

255Eddy County, NDND2,3291949–

256Allegany County, NYNY46,8001949–

257Chemung County, NYNY80,4151949–

258Union County, IAIA11,8291949–

259Watonwan County, MNMN11,4591949–

260Essex County, NJNJ896,3791949–

261Genesee County, NYNY58,4161949–

262Seneca County, OHOH54,5221949–

263Greene County, PAPA33,8851949–

264Menard County, TXTX1,9561949–

265San Saba County, TXTX5,7871949–

266Richland County, WIWI17,0361949–

267Des Moines County, IAIA38,0771949–

268Lawrence County, PAPA83,9111949–

269Bent County, COCO5,7161949–

270Washington County, COCO4,7321949–

271Franklin County, IDID15,8891949–

272Oneida County, IDID5,0851949–

273Edgar County, ILIL16,3231949–

274Kossuth County, IAIA14,3221949–

275Lee County, IAIA32,3061949–

276Wright County, IAIA12,8011949–

277Kiowa County, KSKS2,4321949–

278Pratt County, KSKS9,1171949–

279Rooks County, KSKS4,6461949–

280Sanpete County, UTUT31,4531949–

281Columbia County, WAWA4,1411949–

282Divide County, NDND2,1101950–

283Emmons County, NDND3,2151950–

284Teton County, MTMT6,4961950–

285Griggs County, NDND2,2391950–

286Crawford County, KSKS39,0081950–

287Knox County, MEME41,1171950–

288Essex County, MAMA826,6531950–

289Franklin County, MAMA70,6981950–

290Iron County, MIMI11,7571950–

291Chippewa County, MNMN12,4061950–

292Cottonwood County, MNMN11,4051950–

293Grant County, MNMN6,0851950–

294Martin County, MNMN19,4401950–

295Mower County, MNMN40,9711950–

296Murray County, MNMN7,9421950–

297Renville County, MNMN14,3561950–

298Wilkin County, MNMN6,2881950–

299Winona County, MNMN50,5231950–

300Grant County, NENE5611950–

301Otoe County, NENE16,5311950–

302Saline County, NENE14,9961950–

303Erie County, NYNY946,7411950–

304Essex County, NYNY36,4381950–

305St. Lawrence County, NYNY105,4881950–

306Logan County, NDND1,8591950–

307Providence County, RIRI678,1791950–

308Charles Mix County, SDSD9,3031950–

309McPherson County, SDSD2,3471950–

310Van Wert County, OHOH29,0131950–

311Grant County, OKOK4,0671950–

312Motley County, TXTX1,0431950–

313Greene County, ILIL11,3131950–

314LaSalle County, ILIL107,7731950–

315Lee County, ILIL32,9141950–

316Montgomery County, ILIL28,0761950–

317Pike County, ILIL14,2311950–

318Cass County, ININ37,8361950–

319Jay County, ININ20,1181950–

320Clinton County, IAIA46,0021950–

321Grundy County, IAIA12,3611950–

322Hamilton County, IAIA14,9441950–

323Palo Alto County, IAIA8,8991950–

324Allen County, KSKS12,3021950–

325Anderson County, KSKS8,0181950–

326Cherokee County, KSKS19,1051950–

327Russell County, KSKS6,5811950–

328Loup County, NENE5701950–

329Lincoln County, WAWA11,9821950–

330Buffalo County, WIWI13,3181950–

331Vernon County, WIWI31,4431950–

332Sullivan County, ININ20,8311951–

333Orleans Parish, LALA362,1541951–

334Bristol County, MAMA593,6401951–

335Middlesex County, MAMA1,669,9791951–

336Brown County, MNMN25,5171951–

337Nobles County, MNMN22,3381951–

338Redwood County, MNMN15,2651951–

339Harrison County, MOMO8,2811951–

340Linn County, MOMO11,8151951–

341Adams County, NENE31,0711951–

342Dawes County, NENE7,8581951–

343Kimball County, NENE3,3911951–

344Phelps County, NENE8,9941951–

345Coos County, NHNH31,3431951–

346Union County, NJNJ601,8631951–

347Broome County, NYNY195,7361951–

348Niagara County, NYNY208,9121951–

349Seneca County, NYNY32,8831951–

350LaMoure County, NDND4,1351951–

351Steele County, NDND1,7971951–

352Belmont County, OHOH64,4341951–

353Allegheny County, PAPA1,225,0351951–

354Armstrong County, PAPA63,6981951–

355Venango County, PAPA49,3461951–

356Edmunds County, SDSD4,0221951–

357Loving County, TXTX521951–

358Ashland County, WIWI16,2031951–

359Kewaunee County, WIWI20,7581951–

360Niobrara County, WYWY2,3411951–

361Otero County, COCO17,6831951–

362Bear Lake County, IDID6,7271951–

363Christian County, ILIL33,4431951–

364Jo Daviess County, ILIL21,5941951–

365Knox County, ILIL47,7671951–

366Stephenson County, ILIL43,2201951–

367Warren County, ILIL16,2221951–

368Emmet County, IAIA9,1071951–

369Hardin County, IAIA16,4551951–

370Humboldt County, IAIA9,4091951–

371Webster County, IAIA36,8381951–

372Atchison County, KSKS16,1721951–

373Cowley County, KSKS34,3821951–

374Labette County, KSKS19,6851951–

375Meade County, KSKS3,8521951–

376Phillips County, KSKS4,7281951–

377Yates County, NYNY24,5471951–

378Lycoming County, PAPA112,5871951–

379Lexington, VAVA7,7691951–

380Wayne County, MIMI1,769,0381952–

381Lane County, KSKS1,5081952–

382Freeborn County, MNMN30,4401952–

383Rock County, MNMN9,5241952–

384St. Louis County, MNMN200,5181952–

385Buchanan County, MOMO83,5401952–

386Gentry County, MOMO6,3841952–

387Fergus County, MTMT11,8251952–

388Golden Valley County, MTMT8441952–

389Passaic County, NJNJ531,6241952–

390Union County, NMNM3,8441952–

391Bronx County, NYNY1,406,3321952–

392Steuben County, NYNY91,8551952–

393Traill County, NDND7,9201952–

394Cuyahoga County, OHOH1,232,9251952–

395Sandusky County, OHOH58,6551952–

396Gilliam County, OROR1,9711952–

397Delaware County, PAPA580,9371952–

398Bristol County, RIRI50,0011952–

399Beadle County, SDSD19,6241952–

400Gregory County, SDSD4,0371952–

401Roberts County, SDSD10,2551952–

402Juab County, UTUT13,5671952–

403Harrison County, WVWV64,2211952–

404McDowell County, WVWV16,8781952–

405Marion County, WVWV55,5841952–

406Manitowoc County, WIWI81,7101952–

407Sheboygan County, WIWI118,0471952–

408Wabash County, ININ30,7131952–

409Golden Valley County, NDND1,8081952–

410Carroll County, ININ20,6551952–

411Shoshone County, IDID14,1301952–

412Adams County, ILIL64,2671952–

413Cass County, ILIL12,4631952–

414Franklin County, ILIL36,9161952–

415Henry County, ILIL48,0951952–

416Iroquois County, ILIL26,1501952–

417Livingston County, ILIL35,0571952–

418Marshall County, ILIL11,4731952–

419Schuyler County, ILIL6,6571952–

420Fountain County, ININ17,0131952–

421Knox County, ININ35,6521952–

422Miami County, ININ34,4871952–

423Vigo County, ININ106,5121952–

424Wayne County, ININ66,1691952–

425Buena Vista County, IAIA20,4491952–

426Carroll County, IAIA20,3031952–

427Floyd County, IAIA14,9011952–

428Jefferson County, IAIA15,2911952–

429Marshall County, IAIA39,8901952–

430Monroe County, IAIA7,4061952–

431Plymouth County, IAIA25,6971952–

432Bourbon County, KSKS14,3191952–

433Graham County, KSKS2,3711952–

434Pawnee County, KSKS5,9911952–

435Trego County, KSKS2,7401952–

436Cheyenne County, NENE9,5281952–

437Westchester County, NYNY1,015,7431952–

438Jefferson County, PAPA43,2551952–

439Collingsworth County, TXTX2,4871952–

440Roberts County, TXTX8671952–

441Iowa County, WIWI23,9511952–

442Milwaukee County, WIWI924,2161952–

443Multnomah County, OROR795,3911953–

444Lake County, COCO7,5521953–

445Campbell County, KYKY95,4411953–

446Pope County, MNMN11,4201953–

447Holt County, MOMO4,2001953–

448Shelby County, MOMO5,8701953–

449Brown County, NENE2,8261953–

450Hooker County, NENE6861953–

451Rock County, NENE1,2591953–

452De Baca County, NMNM1,6471953–

453Albany County, NYNY321,2251953–

454Ashtabula County, OHOH96,7131953–

455Hardin County, OHOH30,0721953–

456Ellis County, OKOK3,6131953–

457Harmon County, OKOK2,3271953–

458Woods County, OKOK8,4431953–

459Clatsop County, OROR40,9261953–

460Wallowa County, OROR7,5951953–

461Beaver County, PAPA166,0321953–

462Berks County, PAPA440,0721953–

463Carbon County, PAPA65,8681953–

464Clearfield County, PAPA78,1001953–

465Washington County, PAPA210,8021953–

466Harding County, SDSD1,3311953–

467Lake County, SDSD10,9931953–

468Armstrong County, TXTX1,8431953–

469Mason County, TXTX3,9901953–

470Clark County, WIWI35,0521953–

471Jefferson County, OHOH63,5971953–

472Lawrence County, ILIL13,7901953–

473Douglas County, WIWI43,9901953–

474Red Willow County, NENE10,3071953–

475Nassau County, NYNY1,398,9391953–

476Decatur County, IAIA7,6551953–

477Richmond, VAVA237,2571953–

478De Witt County, ILIL15,1181953–

479Allamakee County, IAIA14,2381953–

480Cerro Gordo County, IAIA42,3721953–

481Crawford County, IAIA16,2371953–

482Hancock County, IAIA10,5281953–

483Jones County, IAIA21,2531953–

484Mahaska County, IAIA21,8801953–

485Morris County, KSKS5,3481953–

486Neosho County, KSKS15,6371953–

487Sumner County, KSKS22,3121953–

488Chase County, NENE3,7181953–

489Hardeman County, TXTX3,2921953–

490Dodge County, WIWI89,0971953–

491Cook County, ILIL5,194,6251954–

492Dickens County, TXTX1,6921954–

493Blackford County, ININ11,7301954–

494Androscoggin County, MEME116,4871954–

495Hampden County, MAMA464,3381954–

496Norfolk County, MAMA739,7491954–

497Worcester County, MAMA888,5021954–

498Lenawee County, MIMI97,7791954–

499Kittson County, MNMN4,0311954–

500Marshall County, MNMN8,7981954–

SHOWING 1–500 OF 3,122

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Download CSV (full list, 3,122 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS

Frequently asked

Which county has the lowest median year built?

San Francisco County, California ranks #1 with 1939 (1990 Decennial Census).

What are the top 5 counties by median year built?

San Francisco County, California, Taylor County, Iowa, Suffolk County, Massachusetts, Houghton County, Michigan, Keweenaw County, Michigan.

How many counties are in this ranking?

3,122 counties qualify after filtering for population minimums and data availability. The ranking covers 1990 Decennial Census data.

How is median year built measured?

Median year that housing structures were built. Source: US Census Bureau, 1990 Decennial Census.