Which county has the highest median year built?

McKenzie County, North Dakota ranks #1 with 2011 (2024 American Community Survey).

What are the top 5 counties by median year built?

McKenzie County, North Dakota, Hays County, Texas, Rockwall County, Texas, Williamson County, Texas, Sumter County, Florida.

How many counties are in this ranking?

3,144 counties qualify after filtering for population minimums and data availability. The ranking covers 2024 ACS 5-year data.

How is median year built measured?

Median year that housing structures were built. Source: US Census Bureau, American Community Survey 5-year estimates (2024).

RANKING · 2024 ACS · 144 SHOWN OF 3,144

Newest housing stock, US counties

US counties ranked by median year housing was built (2023 ACS).

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 2000

3001Mitchell County, IAIA10,6501957–

3002Golden Valley County, NDND1,8081957–

3003Lawrence County, PAPA83,9111957–

3004Greene County, ILIL11,3131957–

3005Knox County, ILIL47,7671957–

3006Vermilion County, ILIL71,2591957–

3007Clinton County, ININ33,3221957–

3008Clinton County, IAIA46,0021957–

3009Sac County, IAIA9,5251957–

3010Tama County, IAIA16,7961957–

3011Webster County, IAIA36,8381957–

3012Bourbon County, KSKS14,3191957–

3013Graham County, KSKS2,3711957–

3014Hodgeman County, KSKS1,6191957–

3015Marion County, KSKS11,6341957–

3016Norton County, KSKS5,2881957–

3017Russell County, KSKS6,5811957–

3018Cheyenne County, NENE9,5281957–

3019Morrill County, NENE4,4041957–

3020Garfield County, WAWA2,4161957–

3021Milwaukee County, WIWI924,2161957–

3022Wayne County, MIMI1,769,0381956–

3023Berkshire County, MAMA128,2241956–

3024Pipestone County, MNMN9,2601956–

3025Silver Bow County, MTMT36,1181956–

3026Frontier County, NENE2,6551956–

3027Logan County, NENE6691956–

3028Sioux County, NENE1,1881956–

3029Thayer County, NENE4,8421956–

3030Passaic County, NJNJ531,6241956–

3031Union County, NJNJ601,8631956–

3032Genesee County, NYNY58,4161956–

3033Schenectady County, NYNY162,5811956–

3034Cambria County, PAPA128,9681956–

3035Providence County, RIRI678,1791956–

3036Hanson County, SDSD3,4561956–

3037Ohio County, WVWV40,4961956–

3038Greenwood County, KSKS5,8261956–

3039Barber County, KSKS4,0831956–

3040Stark County, ILIL5,3191956–

3041Warren County, ILIL16,2221956–

3042Cass County, ININ37,8361956–

3043Cass County, IAIA12,9601956–

3044Hardin County, IAIA16,4551956–

3045Monona County, IAIA8,5391956–

3046Dickinson County, KSKS18,6371956–

3047Elk County, KSKS2,4581956–

3048Harper County, KSKS5,3701956–

3049Kingman County, KSKS7,0291956–

3050Pawnee County, KSKS5,9911956–

3051Pratt County, KSKS9,1171956–

3052Rawlins County, KSKS2,4311956–

3053Burt County, NENE6,6781956–

3054Chemung County, NYNY80,4151955–

3055Gogebic County, MIMI14,2851955–

3056Hooker County, NENE6861955–

3057Jefferson County, NENE7,0701955–

3058Bronx County, NYNY1,406,3321955–

3059Orleans County, NYNY39,8251955–

3060Lackawanna County, PAPA216,5021955–

3061McIntosh County, NDND2,4511955–

3062Nassau County, NYNY1,398,9391955–

3063Ford County, ILIL13,2161955–

3064Adams County, IAIA3,6171955–

3065Emmet County, IAIA9,1071955–

3066Osceola County, IAIA5,9801955–

3067McPherson County, NENE3691955–

3068Deer Lodge County, MTMT9,7091954–

3069Clay County, NENE6,1701954–

3070Fulton County, NYNY52,2161954–

3071Otsego County, NYNY60,5891954–

3072Northumberland County, PAPA89,9201954–

3073Miner County, SDSD2,2811954–

3074Greene County, IAIA8,6581954–

3075Sedgwick County, COCO2,2471954–

3076Benton County, ININ8,8831954–

3077Rush County, ININ16,7671954–

3078Fayette County, IAIA19,0471954–

3079Franklin County, IAIA9,8681954–

3080Harrison County, IAIA14,6231954–

3081Page County, IAIA14,8561954–

3082Smith County, KSKS3,5661954–

3083Herkimer County, NYNY59,2191954–

3084Decatur County, KSKS2,7161953–

3085Boyd County, NENE1,6741953–

3086Garden County, NENE1,8041953–

3087Johnson County, NENE5,2181953–

3088Chautauqua County, NYNY124,1261953–

3089Queens County, NYNY2,358,1821953–

3090McKean County, PAPA38,9841953–

3091Hamilton County, IAIA14,9441953–

3092Cloud County, KSKS8,8331953–

3093Rice County, KSKS9,2661953–

3094Rooks County, KSKS4,6461953–

3095Washington County, KSKS5,5331953–

3096Columbia County, WAWA4,1411953–

3097Faribault County, MNMN13,8881952–

3098Kimball County, NENE3,3911952–

3099Pawnee County, NENE2,5101952–

3100Osborne County, KSKS3,2851952–

3101Ida County, IAIA6,7771952–

3102Perkins County, NENE2,8491951–

3103Taylor County, IAIA5,8351951–

3104Lac qui Parle County, MNMN6,7041951–

3105Webster County, NENE3,3361951–

3106New York County, NYNY1,664,8621951–

3107Covington, VAVA5,6801951–

3108Sheridan County, NENE4,8091951–

3109Cheyenne County, KSKS2,6041951–

3110Stafford County, KSKS4,0051951–

3111Dixon County, NENE5,6021950–

3112Hitchcock County, NENE2,4671950–

3113Nemaha County, NENE7,1021950–

3114Richardson County, NENE7,5301950–

3115Audubon County, IAIA5,5091950–

3116Keokuk County, IAIA9,7971950–

3117Pocahontas County, IAIA6,8191950–

3118Nance County, NENE3,2901950–

3119Suffolk County, MAMA791,8911949–

3120Furnas County, NENE4,5241949–

3121Shelby County, IAIA11,6891949–

3122Philadelphia County, PAPA1,574,2811949–

3123Dundy County, NENE1,5681948–

3124Nuckolls County, NENE4,1001948–

3125Worth County, IAIA7,3381948–

3126Edwards County, KSKS2,6401948–

3127Rush County, KSKS2,8451948–

3128Baltimore, MDMD569,9971947–

3129Comanche County, KSKS1,6731947–

3130San Francisco County, CACA826,0791946–

3131Hayes County, NENE8211946–

3132Schuylkill County, PAPA145,0851946–

3133Greeley County, NENE2,1541946–

3134Clark County, KSKS1,9001946–

3135Deuel County, NENE1,8621945–

3136Jewell County, KSKS2,8301945–

3137Republic County, KSKS4,6401945–

3138Kings County, NYNY2,653,9631944–

3139Montgomery County, NYNY50,0461944–

3140Franklin County, NENE2,7951940–

3141St. Louis, MOMO278,1441938–

3142Loving County, TXTX521938–

3143Kalawao County, HIHI821938–

3144Lincoln County, KSKS2,8611938–

SHOWING 3,001–3,144 OF 3,144

1 2 3 4 5 6 7

Download CSV (full list, 3,144 rows)

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