RANKING · 2020 CENSUS · 500 SHOWN OF 3,135

Largest households, US counties · 2020

US counties ranked by average household size (2023 ACS). Oglala Lakota County, South Dakota leads at 4.97. 3,135 counties qualify in total. Texas carries 7 of the top 25 entries.

All statesAll rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2000

01Oglala Lakota County, SDSD13,3384.97–

02Kusilvak Census Area, AKAK7,9324.55–

03Wheeler County, GAGA7,5704.35–

04Northwest Arctic, AKAK7,0954.04–

05Starr County, TXTX66,3193.90–

06Sioux County, NDND3,6673.87–

07Jackson County, SDSD2,6663.87–

08Bethel Census Area, AKAK18,3913.83–

09Todd County, SDSD8,8633.82–

10Manassas Park, VAVA16,5603.82–

11Rich County, UTUT2,6873.76–

12Imperial County, CACA181,4113.73–

13Reeves County, TXTX12,1383.72–

14Buffalo County, SDSD1,8023.71–

15Big Horn County, MTMT12,7523.63–

16Ziebach County, SDSD2,3893.57–

17Gaines County, TXTX23,9563.57–

18De Baca County, NMNM1,6473.56–

19Webb County, TXTX281,2243.56–

20Utah County, UTUT759,8593.52–

21Holmes County, OHOH44,9703.49–

22Hidalgo County, TXTX921,5493.49–

23Maverick County, TXTX58,8233.48–

24Morgan County, UTUT13,3833.48–

25Willacy County, TXTX19,9713.45–

26Aleutians West Census Area, AKAK5,2403.43–

27Corson County, SDSD3,7813.41–

28Frio County, TXTX18,8233.38–

29Nome Census Area, AKAK9,8303.37–

30Hudspeth County, TXTX3,4333.37–

31McKinley County, NMNM68,1193.35–

32Franklin County, WAWA102,6123.35–

33Dewey County, SDSD5,4193.34–

34Jim Hogg County, TXTX4,5553.34–

35Reagan County, TXTX3,1663.34–

36San Benito County, CACA70,0823.33–

37Roosevelt County, MTMT10,2423.33–

38Glasscock County, TXTX1,1283.33–

39Madera County, CACA167,9273.32–

40Madison County, IDID55,1723.32–

41Thurston County, NENE6,7523.31–

42Yoakum County, TXTX7,4383.31–

43Jefferson County, IDID35,2973.31–

44Matanuska-Susitna, AKAK118,6663.30–

45Cameron County, TXTX433,9463.30–

46Juab County, UTUT13,5673.30–

47San Bernardino County, CACA2,224,0913.30–

48Tulare County, CACA485,1463.30–

49Osceola County, FLFL481,7183.30–

50Merced County, CACA297,2603.29–

51Hanson County, SDSD3,4563.29–

52Uintah County, UTUT38,2783.29–

53Apache County, AZAZ64,4453.28–

54Tooele County, UTUT87,4613.28–

55Bennett County, SDSD3,3073.27–

56Martin County, TXTX5,2843.27–

57Kaufman County, TXTX209,2353.27–

58North Slope, AKAK10,5823.26–

59Riverside County, CACA2,544,9163.26–

60Monterey County, CACA433,7293.25–

61Bailey County, TXTX6,9633.25–

62Davis County, UTUT381,2273.25–

63San Juan County, UTUT14,5423.25–

64Rolette County, NDND11,6883.24–

65Socorro County, NMNM15,8383.23–

66Bastrop County, TXTX118,9083.23–

67Menominee County, WIWI4,1993.23–

68Culberson County, TXTX2,2673.22–

69Adams County, WAWA21,4883.22–

70Andrews County, TXTX18,9143.21–

71Zavala County, TXTX9,0373.21–

72Prince William County, VAVA502,9663.21–

73Crowley County, COCO5,6773.20–

74Columbia County, GAGA169,1893.19–

75San Joaquin County, CACA823,8153.18–

76Dimmit County, TXTX8,0243.18–

77Long County, GAGA21,5573.18–

78Dillingham Census Area, AKAK4,4833.17–

79McMullen County, TXTX5443.16–

80Fort Bend County, TXTX975,1913.16–

81Waller County, TXTX69,8583.16–

82Kern County, CACA927,0683.15–

83Rockland County, NYNY357,3973.15–

84Atascosa County, TXTX53,5903.15–

85Moore County, TXTX21,8913.15–

86Fresno County, CACA1,035,4563.14–

87Kings County, CACA154,3273.14–

88Duval County, TXTX9,4023.13–

89Jim Wells County, TXTX38,8043.13–

90Wasatch County, UTUT38,5143.13–

91LaGrange County, ININ41,3053.13–

92Manassas, VAVA44,3323.13–

93Schuyler County, MOMO4,1403.12–

94Hamilton County, KSKS2,5003.12–

95Cache County, UTUT145,0003.12–

96Glacier County, MTMT13,4633.11–

97Canadian County, OKOK187,1893.11–

98Hardee County, FLFL25,9323.11–

99Wilson County, TXTX56,1393.11–

100Piute County, UTUT1,5093.11–

101King County, TXTX1923.10–

102Charlton County, GAGA13,1213.10–

103Crane County, TXTX4,5543.09–

104Stanislaus County, CACA557,7193.09–

105Franklin County, IDID15,8893.09–

106Kodiak Island, AKAK12,3873.08–

107Dallam County, TXTX7,5083.08–

108Sanpete County, UTUT31,4533.08–

109La Salle County, TXTX6,5173.07–

110Hendry County, FLFL48,2763.07–

111Lafayette County, FLFL8,7923.07–

112Gwinnett County, GAGA1,018,0993.07–

113Kendall County, ILIL145,4703.07–

114Sterling County, TXTX1,3493.06–

115Graham County, AZAZ40,1573.06–

116St. Bernard Parish, LALA45,6423.06–

117Ventura County, CACA830,8513.06–

118Box Elder County, UTUT65,3203.06–

119Hamilton County, NYNY5,0063.05–

120Kendall County, TXTX53,2893.05–

121Hall County, GAGA226,5683.05–

122Kauai County, HIHI73,4003.05–

123Deaf Smith County, TXTX18,6263.04–

124Loudoun County, VAVA449,7493.04–

125Stafford County, VAVA170,8033.04–

126McKenzie County, NDND15,1923.03–

127Medina County, TXTX56,8813.03–

128Zapata County, TXTX13,7533.03–

129Weld County, COCO378,4263.03–

130Stevens County, KSKS4,9843.03–

131Benson County, NDND5,7593.02–

132Bexar County, TXTX2,160,0883.02–

133Iron County, UTUT67,1413.02–

134Adams County, COCO554,6683.02–

135Orange County, CACA3,149,5073.01–

136Cibola County, NMNM26,8073.01–

137Wise County, TXTX83,7783.01–

138Williamson County, TXTX752,8273.01–

139Union County, NCNC267,6743.00–

140Love County, OKOK10,7803.00–

141Mellette County, SDSD2,1373.00–

142El Paso County, TXTX877,8583.00–

143Cassia County, IDID26,3973.00–

144Grant County, WAWA105,7273.00–

145Ector County, TXTX173,8012.99–

146Ellis County, TXTX240,8672.99–

147Kenedy County, TXTX3192.99–

148Jerome County, IDID26,3622.99–

149Kearny County, KSKS3,8882.99–

150Daggett County, UTUT9342.99–

151Harper County, OKOK3,1722.98–

152Texas County, OKOK20,3222.98–

153Parker County, TXTX184,7672.98–

154Parmer County, TXTX9,6782.98–

155Paulding County, GAGA190,9962.98–

156Honolulu County, HIHI988,7032.98–

157Seward County, KSKS21,0732.98–

158Santa Clara County, CACA1,914,3912.97–

159Chambers County, TXTX57,5942.97–

160Jackson County, TXTX15,3932.97–

161Millard County, UTUT14,0572.97–

162Nassau County, NYNY1,398,9392.97–

163Pike County, GAGA20,9322.97–

164Elbert County, COCO30,5342.97–

165Barrow County, GAGA99,7732.97–

166Sevier County, ARAR15,7582.96–

167Los Angeles County, CACA9,694,9342.96–

168Lea County, NMNM74,7492.96–

169Weber County, UTUT278,1742.96–

170Hutchinson County, TXTX19,6332.96–

171Oldham County, KYKY70,9862.96–

172Beaver County, UTUT7,3012.96–

173Navajo County, AZAZ109,9462.95–

174Yakima County, WAWA259,1852.95–

175Nantucket County, MAMA14,7582.95–

176Tallahatchie County, MSMS10,8772.95–

177Winkler County, TXTX7,5402.95–

178Spotsylvania County, VAVA155,3882.95–

179Miami-Dade County, FLFL2,802,0292.95–

180Maui County, HIHI160,5922.95–

181Uvalde County, TXTX24,9632.95–

182Salt Lake County, UTUT1,220,9162.95–

183Rio Arriba County, NMNM39,8322.94–

184Sutton County, TXTX3,2032.94–

185Titus County, TXTX31,5632.94–

186Eagle County, COCO54,2912.94–

187Forsyth County, GAGA282,8052.94–

188Bingham County, IDID51,1532.94–

189Lincoln County, IDID5,6032.94–

190Ford County, KSKS33,9932.94–

191Pontotoc County, MSMS32,0962.93–

192Passaic County, NJNJ531,6242.93–

193Suffolk County, NYNY1,546,0902.93–

194Borden County, TXTX5672.93–

195Midland County, TXTX187,8552.93–

196Castro County, TXTX7,2952.93–

197Doddridge County, WVWV7,6342.93–

198Henry County, GAGA264,9222.93–

199Will County, ILIL712,2532.93–

200Butler County, ALAL18,1002.92–

201Rockwall County, TXTX140,7382.92–

202Canyon County, IDID275,1232.92–

203Sutter County, CACA98,7872.92–

204Bee County, TXTX32,5152.91–

205Baker County, FLFL29,7372.91–

206Clayton County, GAGA297,4712.91–

207Jeff Davis County, GAGA15,2192.91–

208Southeast Fairbanks Census Area, AKAK7,2702.90–

209Colusa County, CACA21,8362.90–

210George County, MSMS26,3312.90–

211Ochiltree County, TXTX9,2842.90–

212Kane County, ILIL525,7572.89–

213Adair County, OKOK19,8282.89–

214Logan County, OKOK55,4732.89–

215Camp County, TXTX13,3802.89–

216Guadalupe County, TXTX201,1112.89–

217Johnson County, TXTX218,0482.89–

218Culpeper County, VAVA57,6662.89–

219Prince George County, VAVA43,9362.89–

220Newton County, GAGA125,5832.89–

221Santa Cruz County, AZAZ50,0202.88–

222Cabarrus County, NCNC249,7252.88–

223Hoke County, NCNC56,9392.88–

224Hughes County, OKOK13,4552.88–

225Hansford County, TXTX4,9442.88–

226Liberty County, TXTX121,3642.88–

227Smith County, TXTX252,5492.88–

228Walton County, GAGA112,6962.88–

229Scott County, MNMN159,0172.88–

230Yuba County, CACA88,6912.88–

231Polk County, FLFL874,7902.88–

232Douglas County, GAGA154,2932.88–

233Daviess County, ININ34,2092.88–

234Limestone County, ALAL122,9282.87–

235Calhoun County, ARAR4,6322.87–

236Copiah County, MSMS27,4972.87–

237Union County, MSMS28,4592.87–

238Lincoln County, MOMO66,6762.87–

239Scotland County, MOMO4,7962.87–

240Mountrail County, NDND9,3952.87–

241Lincoln County, SDSD77,1452.87–

242Brazoria County, TXTX419,0802.87–

243Hale County, TXTX31,8192.87–

244San Mateo County, CACA743,5682.87–

245Solano County, CACA455,3762.87–

246Orange County, FLFL1,528,0022.87–

247Jackson County, GAGA99,2652.87–

248Finney County, KSKS37,5052.87–

249Val Verde County, TXTX47,8352.87–

250Contra Costa County, CACA1,170,0702.86–

251San Diego County, CACA3,282,2482.86–

252Pulaski County, MOMO54,4422.86–

253Union County, NJNJ601,8632.86–

254Queens County, NYNY2,358,1822.86–

255Charles Mix County, SDSD9,3032.86–

256Bledsoe County, TNTN15,9202.86–

257Williamson County, TNTN272,0612.86–

258Fairfax County, VAVA1,167,8732.86–

259Santa Barbara County, CACA442,0652.86–

260Livingston Parish, LALA155,0362.86–

261Montgomery County, TXTX781,1942.86–

262Sherburne County, MNMN104,1942.86–

263Summit County, UTUT43,1412.86–

264Bibb County, ALAL22,2622.85–

265Franklin County, ALAL32,4492.85–

266Lake and Peninsula, AKAK1,3572.85–

267Orange County, NYNY417,6692.85–

268Hemphill County, TXTX3,0832.85–

269Washington County, UTUT213,6702.85–

270Harris County, TXTX5,045,0262.84–

271Greenlee County, AZAZ9,3122.84–

272Pinal County, AZAZ539,3802.84–

273Alameda County, CACA1,636,6302.84–

274Rockdale County, GAGA98,4162.84–

275Claiborne County, MSMS8,0582.84–

276San Juan County, NMNM120,3402.84–

277Delaware County, OHOH242,0322.84–

278Tarrant County, TXTX2,248,4662.84–

279Upshur County, TXTX44,4102.84–

280Fauquier County, VAVA76,5032.84–

281Bullock County, ALAL9,7802.84–

282Clay County, FLFL239,5932.84–

283Effingham County, GAGA74,3972.84–

284Ward County, TXTX11,1252.84–

285Alpine County, CACA1,0432.83–

286Colfax County, NENE10,9342.83–

287Johnston County, NCNC256,4482.83–

288Colorado County, TXTX21,4392.83–

289Denton County, TXTX1,069,3462.83–

290Valencia County, NMNM82,0132.83–

291San Patricio County, TXTX72,0532.83–

292Douglas County, COCO399,3962.83–

293Bryan County, GAGA52,0622.83–

294Oconee County, GAGA44,8932.83–

295Telfair County, GAGA11,1952.83–

296Bonneville County, IDID135,7712.83–

297Grant County, KSKS7,0282.83–

298Prince George's County, MDMD970,3742.83–

299Collin County, TXTX1,297,1792.83–

300Ascension Parish, LALA135,1052.82–

301DeSoto County, MSMS197,9182.82–

302Caldwell County, TXTX55,1502.82–

303Hays County, TXTX304,3902.82–

304Lipscomb County, TXTX2,9552.82–

305Sherman County, TXTX2,7812.82–

306Yolo County, CACA224,4102.82–

307Suwannee County, FLFL48,1492.82–

308Colquitt County, GAGA47,4382.82–

309Habersham County, GAGA50,4162.82–

310Whitfield County, GAGA106,2122.82–

311Boone County, ILIL53,5682.82–

312Haskell County, KSKS3,5992.82–

313Harnett County, NCNC150,1372.82–

314Sevier County, UTUT22,8272.82–

315Calvert County, MDMD94,4842.81–

316Tipton County, TNTN62,2872.81–

317Logan County, NENE6692.81–

318Richmond County, NYNY501,2902.81–

319Erath County, TXTX43,9112.81–

320King George County, VAVA29,6462.81–

321Atkinson County, GAGA8,4542.81–

322Burke County, GAGA24,4082.81–

323Fremont County, IDID14,2082.81–

324Power County, IDID8,2462.81–

325Schley County, GAGA4,5932.80–

326West Feliciana Parish, LALA15,1342.80–

327San Jacinto County, TXTX29,4882.80–

328Schleicher County, TXTX2,2452.80–

329Terry County, TXTX11,7202.80–

330Dorchester County, SCSC178,3972.80–

331Calhoun County, ILIL4,3002.80–

332Gordon County, GAGA61,7012.80–

333Collingsworth County, TXTX2,4872.80–

334LaSalle Parish, LALA15,1542.79–

335Mahnomen County, MNMN5,1532.79–

336Webster County, MOMO43,0542.79–

337Elko County, NVNV54,8152.79–

338Robeson County, NCNC119,9412.79–

339Dewey County, OKOK4,2072.79–

340Falls County, TXTX17,8692.79–

341Live Oak County, TXTX11,9292.79–

342Sublette County, WYWY8,9292.79–

343Brantley County, GAGA18,9362.79–

344Cherokee County, GAGA299,2732.79–

345Adams County, ININ36,6502.79–

346Elkhart County, ININ208,7742.79–

347Davis County, IAIA9,2302.79–

348Gallatin County, KYKY8,8402.79–

349Montgomery County, MDMD1,074,5822.79–

350Victoria County, TXTX92,6562.79–

351Washington County, ALAL14,8222.78–

352Napa County, CACA132,9492.78–

353Leflore County, MSMS25,6862.78–

354Morrow County, OROR12,6022.78–

355Monroe County, PAPA167,1792.78–

356Hunt County, TXTX123,3362.78–

357St. John the Baptist Parish, LALA39,8752.78–

358Bartow County, GAGA120,8002.78–

359Minidoka County, IDID22,9112.78–

360Valley County, IDID12,8312.78–

361Lawrence County, KYKY15,7652.78–

362Charles County, MDMD176,5932.78–

363Duchesne County, UTUT20,8562.78–

364Boone County, KYKY145,3162.77–

365Sacramento County, CACA1,618,4602.77–

366Lamar County, MSMS67,4032.77–

367Stone County, MSMS19,6542.77–

368Rosebud County, MTMT8,2532.77–

369Marion County, OROR355,7772.77–

370Bedford County, TNTN55,2732.77–

371Madison County, TXTX14,2262.77–

372Navarro County, TXTX57,1812.77–

373Trousdale County, TNTN12,6232.77–

374Middlesex County, NJNJ883,3352.77–

375Rutherford County, TNTN386,3522.77–

376St. Johns County, FLFL346,3282.77–

377Fayette County, GAGA125,1562.77–

378Shelby County, KYKY51,2432.77–

379Eureka County, NVNV1,8672.77–

380Howard County, TXTX30,5042.77–

381Yuma County, AZAZ224,4492.76–

382Bacon County, GAGA11,0702.76–

383Tippah County, MSMS21,3892.76–

384Banner County, NENE6862.76–

385Putnam County, NYNY99,0282.76–

386Hockley County, TXTX21,6002.76–

387Rains County, TXTX13,5422.76–

388Madison County, GAGA32,9192.76–

389Hawaii County, HIHI210,0432.76–

390Gray County, KSKS5,6522.76–

391Palo Pinto County, TXTX30,7912.76–

392Harrisonburg, VAVA50,8392.76–

393Perry County, ARAR10,3092.75–

394Wright County, MNMN157,5592.75–

395Neshoba County, MSMS28,7322.75–

396Knox County, MOMO3,7282.75–

397Blaine County, MTMT6,8602.75–

398Pondera County, MTMT6,0722.75–

399Berkeley County, SCSC274,6662.75–

400Gonzales County, TXTX20,1592.75–

401Chesapeake, VAVA255,3322.75–

402Motley County, TXTX1,0432.75–

403Carver County, MNMN114,3792.75–

404Chattahoochee County, GAGA8,4652.75–

405Cook County, GAGA18,2322.75–

406Troup County, GAGA72,8442.75–

407Howard County, MDMD339,1832.75–

408Leake County, MSMS21,6622.74–

409Panola County, MSMS32,6912.74–

410Scott County, MSMS28,0732.74–

411Bell County, TXTX402,2482.74–

412Fayette County, TXTX25,4592.74–

413Pecos County, TXTX14,5602.74–

414Somervell County, TXTX10,2612.74–

415Sandoval County, NMNM159,5652.74–

416Dallas County, TXTX2,661,3972.74–

417Coweta County, GAGA160,2402.74–

418Harris County, GAGA37,2802.74–

419Screven County, GAGA14,4082.74–

420Teton County, IDID13,2542.74–

421Lake County, ILIL719,3392.74–

422Harrison County, ININ40,4372.74–

423Leavenworth County, KSKS84,5902.74–

424Jessamine County, KYKY57,1472.74–

425Polk County, GAGA45,5142.73–

426Haines, AKAK2,0682.73–

427Maricopa County, AZAZ4,689,5582.73–

428Putnam County, MOMO4,5462.73–

429Clark County, NVNV2,407,2262.73–

430Otero County, NMNM70,3682.73–

431Marion County, SCSC28,2422.73–

432Houston County, TNTN8,4792.73–

433Harrison County, TXTX71,9562.73–

434Duplin County, NCNC51,5712.73–

435Spencer County, KYKY20,9982.73–

436Camas County, IDID1,3162.73–

437Broward County, FLFL2,013,3172.73–

438Calhoun County, FLFL13,2892.73–

439DeSoto County, FLFL37,0782.73–

440Bleckley County, GAGA12,8662.73–

441Carroll County, GAGA131,0362.73–

442Carter County, KYKY26,1492.73–

443Benton County, WAWA221,7222.73–

444Douglas County, WAWA46,4732.73–

445Crenshaw County, ALAL13,1752.72–

446Skagway, AKAK1,1042.72–

447Benton County, ARAR332,5542.72–

448Glenn County, CACA28,1412.72–

449Grant Parish, LALA22,0752.72–

450St. Martin Parish, LALA51,1062.72–

451Terrebonne Parish, LALA104,1632.72–

452Sarpy County, NENE208,3032.72–

453Somerset County, NJNJ356,4862.72–

454Grady County, OKOK59,1282.72–

455Umatilla County, OROR81,1192.72–

456Hamilton County, TXTX8,6802.72–

457Lamb County, TXTX12,5792.72–

458Rusk County, TXTX54,8542.72–

459Sweetwater County, WYWY41,2672.72–

460Oglethorpe County, GAGA16,4152.72–

461Jefferson County, OROR25,7402.72–

462Hendricks County, ININ193,5102.72–

463Garfield County, COCO63,4742.72–

464Liberty County, FLFL8,0352.72–

465Banks County, GAGA21,2732.72–

466Lee County, GAGA34,1792.72–

467Murray County, GAGA41,6072.72–

468Wyandotte County, KSKS170,5972.72–

469Pendleton County, KYKY14,8002.72–

470Cecil County, MDMD107,1312.72–

471Marshall County, ALAL103,5372.71–

472Sumner County, TNTN215,5382.71–

473Whitley County, KYKY37,2972.71–

474Acadia Parish, LALA57,0322.71–

475Anoka County, MNMN381,6052.71–

476Simpson County, MSMS25,4982.71–

477Dakota County, NENE21,6872.71–

478Bronx County, NYNY1,406,3322.71–

479Camden County, NCNC11,3152.71–

480Cherokee County, OKOK49,1962.71–

481Kingfisher County, OKOK15,7952.71–

482Cherokee County, SCSC58,2752.71–

483Jasper County, SCSC38,5332.71–

484Saluda County, SCSC19,6802.71–

485Comal County, TXTX209,1662.71–

486Lee County, TXTX18,7292.71–

487Nueces County, TXTX352,9922.71–

488Chesterfield County, VAVA397,1482.71–

489Chugach Census Area, AKAK6,5532.71–

490St. Charles Parish, LALA50,5862.71–

491Laurens County, GAGA51,0412.71–

492Toombs County, GAGA27,5452.71–

493Caribou County, IDID7,2522.71–

494Copper River Census Area, AKAK2,6662.70–

495Madison County, ARAR18,4102.70–

496Yell County, ARAR19,9562.70–

497Mono County, CACA12,5052.70–

498Santa Cruz County, CACA258,8522.70–

499Bollinger County, MOMO10,6462.70–

500Daviess County, MOMO8,5582.70–

SHOWING 1–500 OF 3,135

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Download CSV (full list, 3,135 rows)

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

Frequently asked

Which county has the highest average household size?

Oglala Lakota County, South Dakota ranks #1 with 4.97 (2020 American Community Survey).

What are the top 5 counties by average household size?

Oglala Lakota County, South Dakota, Kusilvak Census Area, Alaska, Wheeler County, Georgia, Northwest Arctic, Alaska, Starr County, Texas.

How many counties are in this ranking?

3,135 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 ACS 5-year data.

How is average household size measured?

Average number of people per household. Source: US Census Bureau, American Community Survey 5-year estimates (2020).