Which county has the lowest median year built?

St. Louis, Missouri ranks #1 with 1938 (2024 American Community Survey).

What are the top 5 counties by median year built?

St. Louis, Missouri, Loving County, Texas, Kalawao County, Hawaii, Lincoln County, Kansas, Franklin County, Nebraska.

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

Oldest housing stock, US counties

US counties ranked by oldest median year of construction (2024 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 1990

3001Grimes County, TXTX34,2521997+1%

3002Johnson County, TXTX218,0481997+1%

3003Maverick County, TXTX58,8231997+1%

3004Iron County, UTUT67,1411997+1%

3005James City County, VAVA83,3261997+1%

3006New Kent County, VAVA28,0221997+1%

3007Spotsylvania County, VAVA155,3881997+1%

3008Stafford County, VAVA170,8031997+1%

3009Burnet County, TXTX57,0151997+1%

3010Sandoval County, NMNM159,5651997+1%

3011Shelby County, ALAL238,5521997+1%

3012Mecklenburg County, NCNC1,233,3831997+1%

3013Saline County, ARAR133,2881997+1%

3014Franklin County, WAWA102,6121997+2%

3015Morgan County, UTUT13,3831997+1%

3016Walton County, GAGA112,6961997+1%

3017Scott County, MNMN159,0171997+1%

3018Bandera County, TXTX22,8761997+1%

3019Gilchrist County, FLFL20,4881997+1%

3020Lake County, FLFL456,0681997+1%

3021Lee County, FLFL875,6071997+1%

3022Greene County, GAGA21,3671997+1%

3023Harris County, GAGA37,2801997+1%

3024McIntosh County, GAGA11,9891997+1%

3025Ada County, IDID546,1411997+1%

3026Webb County, TXTX281,2241997+1%

3027Manassas Park, VAVA16,5601997+2%

3028Harnett County, NCNC150,1371997+1%

3029McClain County, OKOK49,6471997+1%

3030Limestone County, ALAL122,9281998+1%

3031St. Clair County, ALAL98,2061998+1%

3032Faulkner County, ARAR133,9791998+1%

3033Santa Rosa County, FLFL211,1151998+1%

3034Warren County, MOMO39,0161998+1%

3035Gallatin County, MTMT128,7401998+1%

3036Clark County, NVNV2,407,2261998+1%

3037Lyon County, NVNV65,0881998+1%

3038Nye County, NVNV57,3361998+1%

3039Chatham County, NCNC85,1111998+1%

3040Currituck County, NCNC33,1581998+1%

3041Onslow County, NCNC217,1751998+1%

3042Pender County, NCNC72,1111998+1%

3043Deschutes County, OROR213,0721998+1%

3044Montgomery County, TNTN249,9351998+1%

3045Aransas County, TXTX26,1461998+1%

3046Blanco County, TXTX13,5811998+1%

3047Hood County, TXTX70,5011998+1%

3048Tooele County, UTUT87,4611998+2%

3049Hendricks County, ININ193,5101998+1%

3050Wakulla County, FLFL38,0891998+1%

3051Gilmer County, GAGA33,8941998+1%

3052Lee County, GAGA34,1791998+1%

3053Long County, GAGA21,5571998+1%

3054Lumpkin County, GAGA36,1781998+1%

3055Oconee County, GAGA44,8931998+1%

3056Waller County, TXTX69,8581998+1%

3057Travis County, TXTX1,389,6701999+1%

3058Christian County, MOMO96,7251999+1%

3059Baldwin County, ALAL267,7611999+1%

3060DeSoto County, MSMS197,9181999+1%

3061Hancock County, MSMS46,8731999+1%

3062Lamar County, MSMS67,4031999+1%

3063Camden County, NCNC11,3151999+2%

3064Canadian County, OKOK187,1891999+1%

3065Beaufort County, SCSC204,4331999+1%

3066Horry County, SCSC427,5511999+1%

3067Fayette County, TNTN45,0711999+1%

3068Bastrop County, TXTX118,9081999+1%

3069Canyon County, IDID275,1231999+2%

3070Sussex County, DEDE277,1401999+1%

3071Columbia County, GAGA169,1891999+1%

3072Coweta County, GAGA160,2401999+1%

3073Dawson County, GAGA35,3651999+1%

3074Newton County, GAGA125,5831999+1%

3075Wake County, NCNC1,257,2352000+1%

3076Lafayette County, MSMS59,5972000+1%

3077Hoke County, NCNC56,9392000+1%

3078Johnston County, NCNC256,4482000+1%

3079Union County, NCNC267,6742000+1%

3080Delaware County, OHOH242,0322000+1%

3081York County, SCSC306,8872000+1%

3082Hidalgo County, TXTX921,5492000+1%

3083Goochland County, VAVA29,1872000+1%

3084King George County, VAVA29,6462000+1%

3085Scott County, KYKY62,2622000+1%

3086Dorchester County, SCSC178,3972000+1%

3087Spencer County, KYKY20,9982000+2%

3088Wilson County, TNTN175,0332000+1%

3089Lancaster County, SCSC114,2962000+2%

3090Nassau County, FLFL106,8792000+1%

3091Wilson County, TXTX56,1392000+1%

3092Benton County, ARAR332,5542001+1%

3093Broadwater County, MTMT8,4932001+1%

3094Williams County, NDND41,7672001+2%

3095Utah County, UTUT759,8592001+2%

3096Rutherford County, TNTN386,3522001+1%

3097Weld County, COCO378,4262001+2%

3098Walton County, FLFL93,2882001+1%

3099Barrow County, GAGA99,7732001+1%

3100Cherokee County, GAGA299,2732001+1%

3101Effingham County, GAGA74,3972001+1%

3102Henry County, GAGA264,9222001+1%

3103Teton County, IDID13,2542001+2%

3104Kendall County, ILIL145,4702001+2%

3105Hamilton County, ININ387,0362001+1%

3106Ascension Parish, LALA135,1052002+1%

3107Brunswick County, NCNC174,7022002+1%

3108Berkeley County, SCSC274,6662002+1%

3109Williamson County, TNTN272,0612002+1%

3110Ellis County, TXTX240,8672002+1%

3111Kendall County, TXTX53,2892002+1%

3112Parker County, TXTX184,7672002+1%

3113Loudoun County, VAVA449,7492002+1%

3114Livingston Parish, LALA155,0362002+1%

3115Broomfield County, COCO79,1742002–

3116Douglas County, COCO399,3962002+1%

3117Flagler County, FLFL140,3602002+1%

3118Osceola County, FLFL481,7182002+1%

3119Jackson County, GAGA99,2652002+1%

3120Paulding County, GAGA190,9962002+1%

3121Madison County, IDID55,1722002+1%

3122Jasper County, SCSC38,5332003+2%

3123Denton County, TXTX1,069,3462003+1%

3124Guadalupe County, TXTX201,1112003+1%

3125Washington County, UTUT213,6702003+1%

3126Collin County, TXTX1,297,1792003+1%

3127Pinal County, AZAZ539,3802004+1%

3128Chambers County, TXTX57,5942004+2%

3129Montgomery County, TXTX781,1942004+1%

3130St. Johns County, FLFL346,3282004+1%

3131Forsyth County, GAGA282,8052004+1%

3132Cameron Parish, LALA4,7182005+2%

3133Lincoln County, SDSD77,1452005+2%

3134Comal County, TXTX209,1662005+1%

3135Wasatch County, UTUT38,5142005+2%

3136Fort Bend County, TXTX975,1912005+1%

3137Kaufman County, TXTX209,2352005+2%

3138Bryan County, GAGA52,0622005+1%

3139Rockwall County, TXTX140,7382006+1%

3140Williamson County, TXTX752,8272006+1%

3141Sumter County, FLFL157,7722006+1%

3142Dallas County, IAIA118,4572006+2%

3143Hays County, TXTX304,3902007+1%

3144McKenzie County, NDND15,1922011+2%

SHOWING 3,001–3,144 OF 3,144

1 2 3 4 5 6 7

Download CSV (full list, 3,144 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES