Which county has the lowest graduate degree?

Kalawao County, Hawaii ranks #1 with 0.0% (1990 Decennial Census).

What are the top 5 counties by graduate degree?

Kalawao County, Hawaii, Slope County, North Dakota, Van Buren County, Tennessee, Menominee County, Wisconsin, Sheridan County, North Dakota.

How many counties are in this ranking?

3,122 counties qualify after filtering for population minimums and data availability. The ranking covers 1990 Decennial Census data.

How is graduate degree measured?

Share of adults 25+ with a graduate or professional degree. Source: US Census Bureau, 1990 Decennial Census.

RANKING · 1990 CENSUS · 122 SHOWN OF 3,122

Fewest graduate degrees, US counties · 1990

US counties with the smallest share of adults 25+ holding a graduate or professional degree (1990 ACS).

Flip the list · Most graduate degrees, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPGRADUATE DEGREEVS –

3001Loudoun County, VAVA449,74910.2%–

3002McDonough County, ILIL25,91610.4%–

3003Fulton County, GAGA1,098,79110.4%–

3004Grafton County, NHNH93,22510.4%–

3005Santa Cruz County, CACA258,85210.4%–

3006Dukes County, MAMA21,21910.5%–

3007Denver County, COCO740,61310.6%–

3008Contra Costa County, CACA1,170,07010.6%–

3009Gilpin County, COCO6,07310.7%–

3010Arapahoe County, COCO673,82010.7%–

3011Monmouth County, NJNJ651,03510.7%–

3012Williamson County, TNTN272,06110.8%–

3013Bristol County, RIRI50,00110.8%–

3014Kalamazoo County, MIMI263,79510.9%–

3015Wake County, NCNC1,257,23510.9%–

3016Ouray County, COCO5,26510.9%–

3017Alameda County, CACA1,636,63010.9%–

3018Olmsted County, MNMN166,73110.9%–

3019Collin County, TXTX1,297,17910.9%–

3020Leavenworth County, KSKS84,59011.0%–

3021Bernalillo County, NMNM667,60111.0%–

3022Greene County, OHOH174,32211.1%–

3023San Mateo County, CACA743,56811.1%–

3024DeKalb County, ILIL101,83511.2%–

3025Jefferson County, IAIA15,29111.2%–

3026Poquoson, VAVA13,29211.2%–

3027Midland County, MIMI83,75411.2%–

3028Newport County, RIRI83,05111.2%–

3029Oakland County, MIMI1,288,33711.2%–

3030San Juan County, WAWA18,57711.3%–

3031Suffolk County, MAMA791,89111.3%–

3032Brewster County, TXTX9,45811.4%–

3033DeKalb County, GAGA774,39411.4%–

3034Lake County, ILIL719,33911.5%–

3035Cache County, UTUT145,00011.5%–

3036Lee County, ALAL189,88111.5%–

3037Washington County, RIRI129,79511.6%–

3038Juneau, AKAK31,60911.7%–

3039Douglas County, COCO399,39611.8%–

3040Bergen County, NJNJ977,02611.8%–

3041Gallatin County, MTMT128,74011.9%–

3042Putnam County, NYNY99,02811.9%–

3043Brookings County, SDSD37,63511.9%–

3044Gunnison County, COCO17,43911.9%–

3045DuPage County, ILIL934,29812.0%–

3046Watauga County, NCNC54,78612.0%–

3047Fayette County, KYKY329,75112.0%–

3048Athens County, OHOH63,19712.0%–

3049Santa Clara County, CACA1,914,39112.0%–

3050Larimer County, COCO377,29212.1%–

3051Hamilton County, ININ387,03612.1%–

3052Travis County, TXTX1,389,67012.2%–

3053York County, VAVA71,37412.2%–

3054Lincoln Parish, LALA48,36012.2%–

3055Harrisonburg, VAVA50,83912.3%–

3056Chester County, PAPA557,11612.3%–

3057Hunterdon County, NJNJ131,78112.4%–

3058Johnson County, KSKS636,90612.4%–

3059Mercer County, NJNJ399,28912.6%–

3060Montgomery County, PAPA877,64312.6%–

3061Oconee County, GAGA44,89312.8%–

3062Ingham County, MIMI289,70912.9%–

3063San Francisco County, CACA826,07913.0%–

3064Albany County, NYNY321,22513.0%–

3065Nassau County, NYNY1,398,93913.0%–

3066Santa Fe County, NMNM156,90713.2%–

3067Chittenden County, VTVT169,11513.3%–

3068Morris County, NJNJ524,25113.4%–

3069Norfolk County, MAMA739,74913.4%–

3070Dane County, WIWI590,37513.5%–

3071Yolo County, CACA224,41013.7%–

3072Radford, VAVA17,24313.8%–

3073James City County, VAVA83,32613.9%–

3074Jackson County, ILIL52,50114.1%–

3075Lafayette County, MSMS59,59714.1%–

3076Rockland County, NYNY357,39714.2%–

3077Payne County, OKOK83,88914.2%–

3078Durham County, NCNC347,24014.4%–

3079Somerset County, NJNJ356,48615.0%–

3080Monongalia County, WVWV107,99115.1%–

3081Fairfax, VAVA26,77215.2%–

3082Lexington, VAVA7,76915.2%–

3083Tippecanoe County, ININ190,45615.3%–

3084Hampshire County, MAMA164,06515.3%–

3085Riley County, KSKS72,59815.3%–

3086Middlesex County, MAMA1,669,97915.4%–

3087Centre County, PAPA157,39315.6%–

3088Leon County, FLFL299,04815.6%–

3089Oktibbeha County, MSMS51,89615.6%–

3090Latah County, IDID41,84216.2%–

3091Montgomery County, VAVA98,43416.2%–

3092Boone County, MOMO191,74616.2%–

3093Boulder County, COCO328,56016.4%–

3094Charlottesville, VAVA44,38816.5%–

3095Westchester County, NYNY1,015,74316.6%–

3096Albany County, WYWY38,55816.7%–

3097Douglas County, KSKS120,92016.7%–

3098Marin County, CACA253,69417.0%–

3099Alachua County, FLFL290,02817.0%–

3100Brazos County, TXTX249,08817.2%–

3101Monroe County, ININ143,34517.2%–

3102District of Columbia, DCDC693,64517.2%–

3103Story County, IAIA101,29117.3%–

3104Albemarle County, VAVA118,35617.5%–

3105Champaign County, ILIL209,97217.8%–

3106Clarke County, GAGA129,92118.4%–

3107Benton County, OROR97,72819.0%–

3108Howard County, MDMD339,18319.2%–

3109Alexandria, VAVA160,66219.3%–

3110Clay County, SDSD15,03119.5%–

3111Johnson County, IAIA160,04420.0%–

3112New York County, NYNY1,664,86220.1%–

3113Williamsburg, VAVA15,86120.2%–

3114Fairfax County, VAVA1,167,87320.3%–

3115Whitman County, WAWA48,51220.4%–

3116Washtenaw County, MIMI370,21420.8%–

3117Montgomery County, MDMD1,074,58223.2%–

3118Tompkins County, NYNY104,04723.5%–

3119Orange County, NCNC152,49823.5%–

3120Arlington County, VAVA243,93124.0%–

3121Falls Church, VAVA15,15925.6%–

3122Los Alamos County, NMNM19,40729.7%–

SHOWING 3,001–3,122 OF 3,122

1 2 3 4 5 6 7

Download CSV (full list, 3,122 rows)

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