Which county has the highest median age?

Kalawao County, Hawaii ranks #1 with 58.6 (2000 Decennial Census).

What are the top 5 counties by median age?

Kalawao County, Hawaii, Charlotte County, Florida, Llano County, Texas, Citrus County, Florida, McIntosh County, North Dakota.

How many counties are in this ranking?

3,125 counties qualify after filtering for population minimums and data availability. The ranking covers 2000 Decennial Census data.

How is median age measured?

Median age of all residents. Source: US Census Bureau, 2000 Decennial Census.

RANKING · 2000 CENSUS · 125 SHOWN OF 3,125

Oldest by median age, US counties · 2000

US counties ranked by median age of residents (2000 ACS).

Flip the list · Youngest by median age, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 1990

3001Ford County, KSKS33,99329.9−1%

3002Madison Parish, LALA8,84429.8−0%

3003Bolivar County, MSMS28,26229.8+13%

3004Big Horn County, MTMT12,75229.8+6%

3005Thurston County, NENE6,75229.8−1%

3006Rowan County, KYKY24,47629.8+14%

3007Bannock County, IDID91,59129.8+0%

3008Willacy County, TXTX19,97129.8+8%

3009Forrest County, MSMS79,03429.7+2%

3010Holmes County, MSMS15,46529.7+7%

3011Nacogdoches County, TXTX66,03529.7+7%

3012Echols County, GAGA3,68529.7−2%

3013Bingham County, IDID51,15329.7+6%

3014Gaines County, TXTX23,95629.7+6%

3015Coconino County, AZAZ144,36829.6+12%

3016Cumberland County, NCNC338,47329.6+9%

3017Norfolk, VAVA231,01329.6+8%

3018Adams County, WAWA21,48829.6−4%

3019Fairbanks North Star, AKAK93,97229.5+7%

3020Boone County, MOMO191,74629.5+6%

3021Wasatch County, UTUT38,51429.5+6%

3022Yolo County, CACA224,41029.5+2%

3023Hendry County, FLFL48,27629.5−3%

3024Leon County, FLFL299,04829.5+2%

3025LaGrange County, ININ41,30529.5+5%

3026Roosevelt County, NMNM18,61529.5−1%

3027Weber County, UTUT278,17429.3+1%

3028Lake and Peninsula, AKAK1,35729.2+7%

3029Grand Forks County, NDND74,50129.2+6%

3030Bennett County, SDSD3,30729.2−2%

3031Bell County, TXTX402,24829.2+4%

3032Kleberg County, TXTX30,31529.2+5%

3033Tulare County, CACA485,14629.2−1%

3034Elmore County, IDID29,46529.1+4%

3035Geary County, KSKS36,33829.1+10%

3036Merced County, CACA297,26029.0+3%

3037Cameron County, TXTX433,94629.0+5%

3038Zavala County, TXTX9,03729.0+8%

3039Uintah County, UTUT38,27829.0+12%

3040Alachua County, FLFL290,02829.0+2%

3041McDonough County, ILIL25,91629.0+6%

3042Seward County, KSKS21,07329.0−0%

3043Dillingham Census Area, AKAK4,48328.9+7%

3044Rolette County, NDND11,68828.9+9%

3045Salt Lake County, UTUT1,220,91628.9+4%

3046Jefferson County, IDID35,29728.8+9%

3047Centre County, PAPA157,39328.7+6%

3048Champaign County, ILIL209,97228.6+3%

3049Tompkins County, NYNY104,04728.6+5%

3050Johnson County, MOMO56,67028.5+9%

3051Pulaski County, MOMO54,44228.5+6%

3052Morgan County, UTUT13,38328.5+8%

3053Johnson County, IAIA160,04428.4+4%

3054Hays County, TXTX304,39028.4+6%

3055DeKalb County, ILIL101,83528.4+4%

3056Vernon Parish, LALA45,09128.3+14%

3057Corson County, SDSD3,78128.3−1%

3058Duchesne County, UTUT20,85628.3+13%

3059Camden County, GAGA60,14328.2+3%

3060Finney County, KSKS37,50528.1+3%

3061Holmes County, OHOH44,97028.0+1%

3062Franklin County, WAWA102,61228.0−3%

3063Box Elder County, UTUT65,32028.0+4%

3064Adair County, MOMO25,68427.9+2%

3065Latah County, IDID41,84227.9+2%

3066Christian County, KYKY70,11527.9+1%

3067Wayne County, NENE10,02027.9−2%

3068Coryell County, TXTX85,59227.8+9%

3069Maverick County, TXTX58,82327.8+8%

3070Franklin County, IDID15,88927.7−0%

3071Menominee County, WIWI4,19927.7+13%

3072Nome Census Area, AKAK9,83027.6+5%

3073Payne County, OKOK83,88927.6+2%

3074Monroe County, ININ143,34527.6+4%

3075Lee County, ALAL189,88127.5+4%

3076Jackson County, ILIL52,50127.5+4%

3077Hidalgo County, TXTX921,54927.2+3%

3078Tippecanoe County, ININ190,45627.2+2%

3079Tooele County, UTUT87,46127.1−3%

3080North Slope, AKAK10,58227.0+2%

3081Apache County, AZAZ64,44527.0+14%

3082Lafayette County, MSMS59,59726.9+4%

3083McKinley County, NMNM68,11926.9+5%

3084Davis County, UTUT381,22726.8+8%

3085Albany County, WYWY38,55826.7+0%

3086Brookings County, SDSD37,63526.6+1%

3087Douglas County, KSKS120,92026.6+3%

3088Lincoln Parish, LALA48,36026.5+7%

3089Dewey County, SDSD5,41926.5+2%

3090Juab County, UTUT13,56726.5−13%

3091Long County, GAGA21,55726.5−2%

3092Story County, IAIA101,29126.5+2%

3093Webb County, TXTX281,22426.5+3%

3094Starr County, TXTX66,31926.1+9%

3095Bulloch County, GAGA86,94926.1−1%

3096Montgomery County, VAVA98,43425.9+1%

3097Athens County, OHOH63,19725.7+1%

3098Claiborne County, MSMS8,05825.6+8%

3099Charlottesville, VAVA44,38825.6−12%

3100San Juan County, UTUT14,54225.5+6%

3101Clarke County, GAGA129,92125.4−1%

3102Bethel Census Area, AKAK18,39125.3+1%

3103Sanpete County, UTUT31,45325.3+4%

3104Isabella County, MIMI64,69125.1+3%

3105Onslow County, NCNC217,17525.0+2%

3106Liberty County, GAGA70,31325.0+4%

3107Clay County, SDSD15,03124.9+4%

3108Oktibbeha County, MSMS51,89624.8+0%

3109Whitman County, WAWA48,51224.7+1%

3110Iron County, UTUT67,14124.2−1%

3111Northwest Arctic, AKAK7,09523.9+4%

3112Sioux County, NDND3,66723.9+4%

3113Riley County, KSKS72,59823.9+0%

3114Cache County, UTUT145,00023.9+1%

3115Ziebach County, SDSD2,38923.8−4%

3116Brazos County, TXTX249,08823.6−2%

3117Buffalo County, SDSD1,80223.4+5%

3118Utah County, UTUT759,85923.3+4%

3119Lexington, VAVA7,76923.3−1%

3120Chattahoochee County, GAGA8,46523.2+3%

3121Radford, VAVA17,24322.8+4%

3122Harrisonburg, VAVA50,83922.6−6%

3123Williamsburg, VAVA15,86122.6−2%

3124Todd County, SDSD8,86321.7+5%

3125Madison County, IDID55,17220.7+4%

SHOWING 3,001–3,125 OF 3,125

1 2 3 4 5 6 7

Download CSV (full list, 3,125 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS