Which county has the lowest median year built?

Kings County, New York ranks #1 with 0 (2020 American Community Survey).

What are the top 5 counties by median year built?

Kings County, New York, St. Louis, Missouri, Sioux County, Nebraska, Kalawao County, Hawaii, Lincoln County, Kansas.

How many counties are in this ranking?

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

RANKING · 2020 CENSUS · 134 SHOWN OF 3,134

Oldest housing stock, US counties · 2020

US counties ranked by oldest median year of construction (2023 ACS).

Flip the list · Newest housing stock, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 2000

3001Gallatin County, MTMT128,7401994–

3002Lyon County, NVNV65,0881994–

3003Beaufort County, SCSC204,4331994–

3004Horry County, SCSC427,5511994–

3005Montgomery County, TNTN249,9351994–

3006Goochland County, VAVA29,1871994–

3007King William County, VAVA19,6171994–

3008Berkeley County, WVWV139,5221994–

3009White County, GAGA29,8021994–

3010Sandoval County, NMNM159,5651994–

3011Pickens County, GAGA37,1671994–

3012Canyon County, IDID275,1231994–

3013Dorchester County, SCSC178,3971994–

3014Carver County, MNMN114,3791994–

3015Wilson County, TNTN175,0331994–

3016Walton County, GAGA112,6961994–

3017Elbert County, COCO30,5341994–

3018Weld County, COCO378,4261994–

3019Collier County, FLFL417,1311994–

3020Gilchrist County, FLFL20,4881994–

3021Lake County, FLFL456,0681994–

3022Gwinnett County, GAGA1,018,0991994–

3023Harris County, GAGA37,2801994–

3024Lee County, GAGA34,1791994–

3025Long County, GAGA21,5571994–

3026Oconee County, GAGA44,8931994–

3027Union County, GAGA27,8591994–

3028Ada County, IDID546,1411994–

3029McClain County, OKOK49,6471994–

3030Webb County, TXTX281,2241994–

3031Lee County, ALAL189,8811995–

3032Boone County, KYKY145,3161995–

3033Benton County, ARAR332,5541995–

3034Faulkner County, ARAR133,9791995–

3035Lonoke County, ARAR76,6641995–

3036Baldwin County, ALAL267,7611995–

3037DeSoto County, MSMS197,9181995–

3038Currituck County, NCNC33,1581995–

3039Johnston County, NCNC256,4481995–

3040Onslow County, NCNC217,1751995–

3041Pender County, NCNC72,1111995–

3042Deschutes County, OROR213,0721995–

3043Berkeley County, SCSC274,6661995–

3044Fayette County, TNTN45,0711995–

3045Ellis County, TXTX240,8671995–

3046Tooele County, UTUT87,4611995–

3047James City County, VAVA83,3261995–

3048Spotsylvania County, VAVA155,3881995–

3049Stafford County, VAVA170,8031995–

3050Shelby County, ALAL238,5521995–

3051Hendricks County, ININ193,5101995–

3052Saline County, ARAR133,2881995–

3053Lancaster County, SCSC114,2961995–

3054Archuleta County, COCO14,3061995–

3055Manassas Park, VAVA16,5601995–

3056Wake County, NCNC1,257,2351996–

3057Christian County, MOMO96,7251996–

3058Hancock County, MSMS46,8731996–

3059Lamar County, MSMS67,4031996–

3060Clark County, NVNV2,407,2261996–

3061Nye County, NVNV57,3361996–

3062Jasper County, SCSC38,5331996–

3063York County, SCSC306,8871996–

3064Hidalgo County, TXTX921,5491996–

3065McMullen County, TXTX5441996–

3066Parker County, TXTX184,7671996–

3067Utah County, UTUT759,8591996–

3068King George County, VAVA29,6461996–

3069Scott County, KYKY62,2621996–

3070Spencer County, KYKY20,9981996–

3071Scott County, MNMN159,0171996–

3072Sussex County, DEDE277,1401996–

3073Nassau County, FLFL106,8791996–

3074Wakulla County, FLFL38,0891996–

3075Columbia County, GAGA169,1891996–

3076Coweta County, GAGA160,2401996–

3077Dawson County, GAGA35,3651996–

3078Gilmer County, GAGA33,8941996–

3079Lumpkin County, GAGA36,1781996–

3080Newton County, GAGA125,5831996–

3081Wilson County, TXTX56,1391996–

3082Lafayette County, MSMS59,5971997–

3083Warren County, MOMO39,0161997–

3084Hoke County, NCNC56,9391997–

3085Union County, NCNC267,6741997–

3086Williams County, NDND41,7671997–

3087Guadalupe County, TXTX201,1111997–

3088Sequatchie County, TNTN17,8611997–

3089Rutherford County, TNTN386,3521997–

3090Brunswick County, NCNC174,7021998–

3091Delaware County, OHOH242,0321998–

3092Williamson County, TNTN272,0611998–

3093Denton County, TXTX1,069,3461998–

3094Kaufman County, TXTX209,2351998–

3095Morgan County, UTUT13,3831998–

3096Walton County, FLFL93,2881998–

3097Barrow County, GAGA99,7731998–

3098Bryan County, GAGA52,0621998–

3099Cherokee County, GAGA299,2731998–

3100Effingham County, GAGA74,3971998–

3101Jackson County, GAGA99,2651998–

3102Hamilton County, ININ387,0361998–

3103Ascension Parish, LALA135,1051999–

3104Plaquemines Parish, LALA22,2561999–

3105Kendall County, TXTX53,2891999–

3106Washington County, UTUT213,6701999–

3107Livingston Parish, LALA155,0361999–

3108Broomfield County, COCO79,1741999–

3109Douglas County, COCO399,3961999–

3110Flagler County, FLFL140,3601999–

3111Osceola County, FLFL481,7181999–

3112St. Johns County, FLFL346,3281999–

3113Henry County, GAGA264,9221999–

3114Paulding County, GAGA190,9961999–

3115Collin County, TXTX1,297,1791999–

3116Chambers County, TXTX57,5942000–

3117Comal County, TXTX209,1662000–

3118Loudoun County, VAVA449,7492000–

3119Madison County, IDID55,1722000–

3120Teton County, IDID13,2542000–

3121Kendall County, ILIL145,4702000–

3122Lincoln County, SDSD77,1452001–

3123Wasatch County, UTUT38,5142001–

3124Fort Bend County, TXTX975,1912001–

3125Montgomery County, TXTX781,1942001–

3126Pinal County, AZAZ539,3802002–

3127Rockwall County, TXTX140,7382002–

3128Williamson County, TXTX752,8272002–

3129Forsyth County, GAGA282,8052002–

3130Hays County, TXTX304,3902003–

3131Dallas County, IAIA118,4572003–

3132Cameron Parish, LALA4,7182004–

3133Sumter County, FLFL157,7722004–

3134McKenzie County, NDND15,1922005–

SHOWING 3,001–3,134 OF 3,134

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Download CSV (full list, 3,134 rows)

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