Which county has the highest median year built?

McKenzie County, North Dakota ranks #1 with 2005 (2020 American Community Survey).

What are the top 5 counties by median year built?

McKenzie County, North Dakota, Cameron Parish, Louisiana, Sumter County, Florida, Hays County, Texas, Dallas County, Iowa.

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 · 500 SHOWN OF 3,134

Newest housing stock, US counties · 2020

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

2001Platte County, WYWY8,6341974–

2002DeKalb County, ININ44,5351974–

2003Logan County, KYKY28,6691974–

2004Vernon County, MOMO19,9461974–

2005Carroll County, OHOH26,4751974–

2006Jefferson County, ALAL665,7421974–

2007Taylor County, WVWV16,2871974–

2008St. Clair County, ILIL250,7081974–

2009Telfair County, GAGA11,1951974–

2010Cassia County, IDID26,3971974–

2011Franklin County, IDID15,8891974–

2012Power County, IDID8,2461974–

2013Bond County, ILIL16,9591974–

2014Jasper County, ILIL9,0321974–

2015Jo Daviess County, ILIL21,5941974–

2016Menard County, ILIL11,8631974–

2017Putnam County, ILIL5,6191974–

2018Union County, ILIL16,6561974–

2019Woodford County, ILIL38,1111974–

2020Allen County, ININ402,3291974–

2021Floyd County, ININ82,1531974–

2022Noble County, ININ47,9371974–

2023Posey County, ININ24,9881974–

2024Ellis County, KSKS29,0751974–

2025Kearny County, KSKS3,8881974–

2026Dorchester County, MDMD33,6281974–

2027Warren County, NYNY65,0201974–

2028Stanly County, NCNC68,8301974–

2029Susquehanna County, PAPA38,2371974–

2030Coke County, TXTX3,4121974–

2031Piute County, UTUT1,5091974–

2032Norton, VAVA3,4771974–

2033Adams County, WAWA21,4881974–

2034Cowlitz County, WAWA114,8851974–

2035Grays Harbor County, WAWA78,1441974–

2036Etowah County, ALAL103,8861973–

2037Lee County, ARAR8,0291973–

2038Ouachita County, ARAR21,7311973–

2039Phillips County, ARAR14,2551973–

2040DeWitt County, TXTX20,3091973–

2041Santa Cruz County, CACA258,8521973–

2042Lake County, COCO7,5521973–

2043Hamlin County, SDSD6,9001973–

2044St. Landry Parish, LALA80,7651973–

2045Tensas Parish, LALA3,7001973–

2046Monroe County, MIMI156,0041973–

2047Oscoda County, MIMI8,7231973–

2048Adair County, MOMO25,6841973–

2049Barton County, MOMO11,7951973–

2050Gasconade County, MOMO14,7841973–

2051Mississippi County, MOMO12,0031973–

2052Pike County, MOMO17,9551973–

2053Ray County, MOMO23,3981973–

2054Hall County, NENE63,6331973–

2055Thurston County, NENE6,7521973–

2056Mineral County, NVNV4,4071973–

2057White Pine County, NVNV8,6611973–

2058Sullivan County, NHNH43,9611973–

2059Guadalupe County, NMNM4,3431973–

2060Lea County, NMNM74,7491973–

2061Clinton County, NYNY78,1381973–

2062Ontario County, NYNY113,1301973–

2063Schoharie County, NYNY30,1761973–

2064Sargent County, NDND3,7111973–

2065Knox County, OHOH64,0021973–

2066Morgan County, OHOH13,6261973–

2067Ross County, OHOH76,4291973–

2068Caddo County, OKOK26,1301973–

2069Ottawa County, OKOK30,4381973–

2070Grant County, OROR7,0751973–

2071Harney County, OROR7,3801973–

2072Union County, OROR25,9001973–

2073Wallowa County, OROR7,5951973–

2074Snyder County, PAPA39,6551973–

2075Brown County, SDSD37,5611973–

2076Brule County, SDSD5,2781973–

2077Lake County, SDSD10,9931973–

2078Roberts County, SDSD10,2551973–

2079Crockett County, TXTX2,7691973–

2080Falls County, TXTX17,8691973–

2081Morris County, TXTX12,1331973–

2082Ochiltree County, TXTX9,2841973–

2083Pecos County, TXTX14,5601973–

2084Upton County, TXTX3,1311973–

2085Essex County, VTVT6,0511973–

2086Windham County, VTVT45,2041973–

2087Windsor County, VTVT57,3121973–

2088Grayson County, VAVA15,2301973–

2089Nottoway County, VAVA15,7961973–

2090Smyth County, VAVA28,8821973–

2091Tazewell County, VAVA38,6351973–

2092Walla Walla County, WAWA62,3611973–

2093Mineral County, WVWV26,7921973–

2094Ritchie County, WVWV8,0341973–

2095Kenosha County, WIWI168,4481973–

2096Winnebago County, WIWI174,2181973–

2097Carbon County, WYWY14,0131973–

2098Concho County, TXTX3,6071973–

2099Santa Barbara County, CACA442,0651973–

2100Monmouth County, NJNJ651,0351973–

2101Clear Creek County, COCO8,9941973–

2102Huerfano County, COCO7,0111973–

2103Morgan County, COCO30,3061973–

2104Pueblo County, COCO169,2771973–

2105New Castle County, DEDE588,0261973–

2106Bear Lake County, IDID6,7271973–

2107Decatur County, ININ26,5761973–

2108Gibson County, ININ33,0911973–

2109Jefferson County, ININ33,2791973–

2110Marshall County, ININ46,5991973–

2111Parke County, ININ16,6421973–

2112Marion County, IAIA34,1921973–

2113Monroe County, IAIA7,4061973–

2114Fulton County, KYKY6,2181973–

2115Kenton County, KYKY175,7791973–

2116Mason County, KYKY16,9361973–

2117Nicholas County, KYKY7,9491973–

2118Tompkins County, NYNY104,0471973–

2119Juniata County, PAPA23,4031973–

2120Radford, VAVA17,2431973–

2121Jefferson County, WIWI86,5051973–

2122Vernon County, WIWI31,4431973–

2123Goshen County, WYWY12,6401973–

2124Cavalier County, NDND3,4971972–

2125Foster County, NDND3,2121972–

2126Humboldt County, CACA131,6471972–

2127Inyo County, CACA18,1581972–

2128Bracken County, KYKY8,5111972–

2129Clarke County, IAIA9,5741972–

2130Crawford County, KSKS39,0081972–

2131Caldwell County, KYKY12,6091972–

2132Cass County, MIMI51,6771972–

2133Ionia County, MIMI66,5571972–

2134Pope County, MNMN11,4201972–

2135Steele County, MNMN37,4641972–

2136Coahoma County, MSMS19,8491972–

2137Quitman County, MSMS5,3641972–

2138Washington County, MSMS40,4461972–

2139Pettis County, MOMO44,2541972–

2140Garfield County, MTMT1,1481972–

2141Colfax County, NENE10,9341972–

2142Dakota County, NENE21,6871972–

2143Orange County, NYNY417,6691972–

2144Richmond County, NYNY501,2901972–

2145Bottineau County, NDND6,2841972–

2146Richland County, NDND16,7311972–

2147Mercer County, OHOH42,7371972–

2148Ottawa County, OHOH39,4811972–

2149Garvin County, OKOK26,3771972–

2150Hughes County, OKOK13,4551972–

2151Jackson County, OKOK24,7641972–

2152Major County, OKOK7,5361972–

2153Noble County, OKOK10,8991972–

2154Texas County, OKOK20,3221972–

2155Coos County, OROR63,9921972–

2156Wasco County, OROR26,3101972–

2157Carbon County, PAPA65,8681972–

2158Huntingdon County, PAPA43,0011972–

2159Bennett County, SDSD3,3071972–

2160Corson County, SDSD3,7811972–

2161Fall River County, SDSD7,4671972–

2162Lyman County, SDSD3,6941972–

2163Culberson County, TXTX2,2671972–

2164Lipscomb County, TXTX2,9551972–

2165Parmer County, TXTX9,6781972–

2166Caledonia County, VTVT30,4141972–

2167Washington County, VTVT59,6521972–

2168Bath County, VAVA4,0761972–

2169Page County, VAVA23,7621972–

2170Pulaski County, VAVA33,5861972–

2171Alexandria, VAVA160,6621972–

2172Webster County, WVWV7,7601972–

2173Langlade County, WIWI19,5341972–

2174Pepin County, WIWI7,5131972–

2175Wood County, WIWI74,0601972–

2176Weston County, WYWY6,8401972–

2177Sangamon County, ILIL194,1701972–

2178Sussex County, NJNJ148,0631972–

2179Fayette County, WVWV38,1651972–

2180Randolph County, MOMO24,5131972–

2181Middlesex County, NJNJ883,3351972–

2182Osage County, KSKS15,6931972–

2183Cheyenne County, COCO1,7131972–

2184Kit Carson County, COCO7,0691972–

2185Minidoka County, IDID22,9111972–

2186Nez Perce County, IDID42,9051972–

2187Clay County, ILIL12,7931972–

2188Gallatin County, ILIL4,6161972–

2189Marion County, ILIL36,3821972–

2190Perry County, ILIL20,1601972–

2191Piatt County, ILIL16,7911972–

2192Washington County, ILIL13,5641972–

2193Wayne County, ILIL15,8821972–

2194Daviess County, ININ34,2091972–

2195Pike County, ININ12,0031972–

2196Starke County, ININ23,4251972–

2197Mills County, IAIA14,7931972–

2198Sioux County, IAIA36,7741972–

2199Coffey County, KSKS8,4671972–

2200Franklin County, KSKS26,2991972–

2201Gray County, KSKS5,6521972–

2202McPherson County, KSKS30,0641972–

2203Baltimore County, MDMD847,6501972–

2204Madison County, NENE36,1061972–

2205Chaves County, NMNM63,3641972–

2206Forest County, PAPA6,6141972–

2207Wyoming County, PAPA25,7901972–

2208Carbon County, UTUT20,6801972–

2209Lincoln County, WAWA11,9821972–

2210Grant County, WIWI52,4461972–

2211Green County, WIWI37,2271972–

2212Iron County, WIWI6,1271972–

2213Clearwater County, IDID9,1181971–

2214Sullivan County, ININ20,8311971–

2215Aroostook County, MEME66,6091971–

2216Knox County, MEME41,1171971–

2217Baraga County, MIMI8,1691971–

2218Iosco County, MIMI25,2661971–

2219Manistee County, MIMI25,6561971–

2220Sanilac County, MIMI40,0831971–

2221Koochiching County, MNMN11,5871971–

2222Pennington County, MNMN13,6861971–

2223Winona County, MNMN50,5231971–

2224Gentry County, MOMO6,3841971–

2225Marion County, MOMO28,5251971–

2226Mercer County, MOMO3,4041971–

2227Saline County, MOMO23,2651971–

2228Blaine County, MTMT6,8601971–

2229Roosevelt County, MTMT10,2421971–

2230Platte County, NENE35,6491971–

2231Saunders County, NENE23,7021971–

2232Seward County, NENE18,0321971–

2233Stanton County, NENE5,7441971–

2234Cheshire County, NHNH78,2691971–

2235Warren County, NJNJ112,9531971–

2236Delaware County, NYNY44,3051971–

2237Lewis County, NYNY26,4791971–

2238Oswego County, NYNY118,5691971–

2239Ramsey County, NDND11,5301971–

2240Stutsman County, NDND21,4141971–

2241Guernsey County, OHOH38,3791971–

2242Hancock County, OHOH75,0341971–

2243Lorain County, OHOH323,2191971–

2244Blaine County, OKOK8,5151971–

2245Garfield County, OKOK61,7791971–

2246Jefferson County, OKOK5,4311971–

2247Washington County, OKOK54,0371971–

2248Bedford County, PAPA47,4801971–

2249Davison County, SDSD20,0691971–

2250Potter County, SDSD2,3771971–

2251Sully County, SDSD1,4791971–

2252Refugio County, TXTX6,6571971–

2253Stephens County, TXTX9,3801971–

2254Young County, TXTX18,1541971–

2255Henderson County, ILIL5,9841971–

2256Pemiscot County, MOMO14,4651971–

2257Washington County, OHOH58,3891971–

2258Logan County, OHOH46,3021971–

2259Lake County, OHOH232,2171971–

2260Hennepin County, MNMN1,284,7841971–

2261Marion County, ININ992,1961971–

2262Las Animas County, COCO14,3911971–

2263Turner County, GAGA8,9831971–

2264Butte County, IDID2,7831971–

2265Kankakee County, ILIL105,5251971–

2266Randolph County, ILIL29,9211971–

2267Richland County, ILIL15,2191971–

2268Schuyler County, ILIL6,6571971–

2269Clay County, ININ26,4101971–

2270Perry County, ININ19,3891971–

2271White County, ININ25,1641971–

2272Allamakee County, IAIA14,2381971–

2273Ringgold County, IAIA4,6421971–

2274Scott County, IAIA175,2591971–

2275Cherokee County, KSKS19,1051971–

2276Haskell County, KSKS3,5991971–

2277Nemaha County, KSKS10,0541971–

2278Seward County, KSKS21,0731971–

2279Wichita County, KSKS2,0311971–

2280Chase County, NENE3,7181971–

2281Tioga County, PAPA40,5021971–

2282Ward County, TXTX11,1251971–

2283Giles County, VAVA16,5641971–

2284Fond du Lac County, WIWI104,6691971–

2285Hot Springs County, WYWY4,6001971–

2286Boyd County, KYKY47,7511970–

2287Clark County, MOMO6,4751970–

2288Plymouth County, MAMA546,8291970–

2289Branch County, MIMI45,9931970–

2290Ingham County, MIMI289,7091970–

2291Menominee County, MIMI22,9411970–

2292Presque Isle County, MIMI13,1281970–

2293St. Joseph County, MIMI60,9681970–

2294Tuscola County, MIMI52,6801970–

2295Grant County, MNMN6,0851970–

2296Houston County, MNMN18,4001970–

2297Lyon County, MNMN25,6841970–

2298Marshall County, MNMN8,7981970–

2299Polk County, MNMN30,5451970–

2300Adams County, MSMS30,0611970–

2301Audrain County, MOMO24,5281970–

2302Dunklin County, MOMO26,8551970–

2303Harrison County, MOMO8,2811970–

2304Macon County, MOMO15,1901970–

2305Shelby County, MOMO5,8701970–

2306Dawson County, MTMT8,6921970–

2307Fallon County, MTMT2,9591970–

2308Hill County, MTMT16,1671970–

2309Hamilton County, NENE9,6781970–

2310Harlan County, NENE3,0001970–

2311Holt County, NENE10,0671970–

2312Keith County, NENE8,1001970–

2313Lincoln County, NENE33,3031970–

2314Logan County, NENE6691970–

2315Jefferson County, NYNY111,5401970–

2316Rockland County, NYNY357,3971970–

2317Sullivan County, NYNY80,5861970–

2318Benson County, NDND5,7591970–

2319Auglaize County, OHOH45,9091970–

2320Fayette County, OHOH28,5521970–

2321Putnam County, OHOH34,3801970–

2322Dewey County, OKOK4,2071970–

2323Baker County, OROR16,6581970–

2324Indiana County, PAPA82,8781970–

2325Marshall County, SDSD4,4261970–

2326Tripp County, SDSD5,7081970–

2327Mason County, TXTX3,9901970–

2328Menard County, TXTX1,9561970–

2329San Saba County, TXTX5,7871970–

2330Shackelford County, TXTX3,1971970–

2331Rutland County, VTVT59,6531970–

2332Highland County, VAVA2,3181970–

2333Charlottesville, VAVA44,3881970–

2334Ashland County, WIWI16,2031970–

2335Clark County, WIWI35,0521970–

2336Sheboygan County, WIWI118,0471970–

2337Big Horn County, WYWY12,0241970–

2338Doddridge County, WVWV7,6341970–

2339Coles County, ILIL46,6071970–

2340Donley County, TXTX3,2131970–

2341Douglas County, WIWI43,9901970–

2342Falls Church, VAVA15,1591970–

2343Morris County, NJNJ524,2511970–

2344Denver County, COCO740,6131970–

2345Prowers County, COCO11,8841970–

2346Oneida County, IDID5,0851970–

2347Cumberland County, ILIL10,2081970–

2348Hamilton County, ILIL7,8591970–

2349Moultrie County, ILIL14,3711970–

2350Ogle County, ILIL51,3991970–

2351Winnebago County, ILIL283,6741970–

2352Adams County, ININ36,6501970–

2353Union County, ININ6,8631970–

2354Wells County, ININ28,8831970–

2355Davis County, IAIA9,2301970–

2356Dubuque County, IAIA99,3811970–

2357Van Buren County, IAIA7,1311970–

2358Ford County, KSKS33,9931970–

2359Kiowa County, KSKS2,4321970–

2360Shawnee County, KSKS178,6071970–

2361Stanton County, KSKS1,9861970–

2362Gosper County, NENE1,8031970–

2363Lebanon County, PAPA146,3801970–

2364Wichita County, TXTX129,5551970–

2365Galax, VAVA6,6701970–

2366Hopewell, VAVA23,2611970–

2367Buffalo County, WIWI13,3181970–

2368Multnomah County, OROR795,3911969–

2369Rock County, WIWI166,4721969–

2370Robertson County, KYKY2,3251969–

2371Hillsdale County, MIMI45,7381969–

2372Lenawee County, MIMI97,7791969–

2373Shiawassee County, MIMI67,6811969–

2374Lake County, MNMN10,7461969–

2375Red Lake County, MNMN3,9401969–

2376Waseca County, MNMN18,6881969–

2377Caldwell County, MOMO9,0121969–

2378Jackson County, MOMO732,9941969–

2379Scotland County, MOMO4,7961969–

2380Cascade County, MTMT85,0291969–

2381Dutchess County, NYNY300,7081969–

2382Greene County, NYNY47,2381969–

2383Livingston County, NYNY61,4381969–

2384Suffolk County, NYNY1,546,0901969–

2385Bowman County, NDND2,7621969–

2386Steele County, NDND1,7971969–

2387Fulton County, OHOH41,8531969–

2388Harrison County, OHOH14,0701969–

2389Miami County, OHOH112,6341969–

2390Monroe County, OHOH12,9941969–

2391Preble County, OHOH40,6641969–

2392Tuscarawas County, OHOH92,3731969–

2393Roger Mills County, OKOK3,2591969–

2394Bradford County, PAPA59,6001969–

2395Clinton County, PAPA37,8701969–

2396Potter County, PAPA15,8971969–

2397Sullivan County, PAPA5,8561969–

2398Grant County, SDSD7,5341969–

2399Bailey County, TXTX6,9631969–

2400Edwards County, TXTX1,3701969–

2401King County, TXTX1921969–

2402Bennington County, VTVT36,6301969–

2403Colonial Heights, VAVA18,7381969–

2404Emporia, VAVA5,4471969–

2405Wood County, WVWV82,3851969–

2406Kewaunee County, WIWI20,7581969–

2407Renville County, NDND2,3311969–

2408Hutchinson County, TXTX19,6331969–

2409Richland County, WIWI17,0361969–

2410Eastland County, TXTX18,1431969–

2411Saline County, ILIL22,7721969–

2412Poweshiek County, IAIA18,3681969–

2413Douglas County, ILIL19,8801969–

2414Madison County, ILIL263,1101969–

2415Newton County, ININ14,1881969–

2416Vigo County, ININ106,5121969–

2417Buchanan County, IAIA20,8831969–

2418Jackson County, IAIA19,2881969–

2419Jefferson County, IAIA15,2911969–

2420Lyon County, KSKS32,2661969–

2421Morton County, KSKS2,4701969–

2422Sherman County, KSKS5,7631969–

2423Jefferson County, KYKY795,2221969–

2424Montgomery County, PAPA877,6431969–

2425Buena Vista, VAVA6,6721969–

2426Lynchburg, VAVA81,3471969–

2427Salem, VAVA25,8161969–

2428Winchester, VAVA28,2721969–

2429Green Lake County, WIWI19,3051969–

2430Chariton County, MOMO7,3771968–

2431Alameda County, CACA1,636,6301968–

2432Campbell County, KYKY95,4411968–

2433Delta County, MIMI36,5821968–

2434Dickinson County, MIMI25,8271968–

2435Genesee County, MIMI401,0931968–

2436Huron County, MIMI30,5301968–

2437Marquette County, MIMI68,0641968–

2438Muskegon County, MIMI177,9011968–

2439Stevens County, MNMN9,7471968–

2440Livingston County, MOMO14,7081968–

2441Golden Valley County, MTMT8441968–

2442Dawson County, NENE24,4521968–

2443Phelps County, NENE8,9941968–

2444Cumberland County, NJNJ157,1481968–

2445Hamilton County, NYNY5,0061968–

2446Putnam County, NYNY99,0281968–

2447Kidder County, NDND2,3931968–

2448Pierce County, NDND3,8381968–

2449Champaign County, OHOH38,8201968–

2450Muskingum County, OHOH87,0141968–

2451Berks County, PAPA440,0721968–

2452Harding County, SDSD1,3311968–

2453Jones County, SDSD9131968–

2454Borden County, TXTX5671968–

2455Childress County, TXTX6,6431968–

2456McCulloch County, TXTX7,4721968–

2457Terry County, TXTX11,7201968–

2458Alleghany County, VAVA14,5461968–

2459Fairfax, VAVA26,7721968–

2460Cabell County, WVWV91,1831968–

2461Washakie County, WYWY7,5971968–

2462Judith Basin County, MTMT2,1621968–

2463Merrick County, NENE7,9051968–

2464Dauphin County, PAPA293,3511968–

2465Northampton County, PAPA324,4111968–

2466St. Louis County, MOMO990,9111968–

2467Lewis County, IDID3,7041968–

2468Alexander County, ILIL4,5701968–

2469Pulaski County, ILIL4,8201968–

2470Shelby County, ILIL20,5761968–

2471Shelby County, ININ45,8821968–

2472Guthrie County, IAIA10,7821968–

2473Iowa County, IAIA16,5041968–

2474Plymouth County, IAIA25,6971968–

2475Allen County, KSKS12,3021968–

2476Lehigh County, PAPA384,3831968–

2477Petersburg, VAVA33,7341968–

2478Waynesboro, VAVA23,9511968–

2479Dodge County, WIWI89,0971968–

2480Androscoggin County, MEME116,4871967–

2481Hampshire County, MAMA164,0651967–

2482Alpena County, MIMI28,8531967–

2483Holt County, MOMO4,2001967–

2484Howard County, MOMO10,1801967–

2485Chouteau County, MTMT5,8651967–

2486Phillips County, MTMT4,2031967–

2487Scotts Bluff County, NENE35,5861967–

2488Schuyler County, NYNY16,9241967–

2489Tioga County, NYNY47,4531967–

2490LaMoure County, NDND4,1351967–

2491Pembina County, NDND6,5681967–

2492Walsh County, NDND10,1791967–

2493Ashland County, OHOH52,5231967–

2494Huron County, OHOH58,2501967–

2495Scioto County, OHOH71,3651967–

2496Clarion County, PAPA36,6801967–

2497Clearfield County, PAPA78,1001967–

2498Columbia County, PAPA66,1931967–

2499Jones County, TXTX20,8611967–

2500Lynn County, TXTX6,0171967–

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