Which county has the highest uninsured?

LaGrange County, Indiana ranks #1 with 42.6% (2020 American Community Survey).

What are the top 5 counties by uninsured?

LaGrange County, Indiana, Holmes County, Ohio, Buffalo County, South Dakota, Aleutians East, Alaska, Oglala Lakota County, South Dakota.

How many counties are in this ranking?

3,135 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 ACS 5-year data.

How is uninsured measured?

Share of residents without health insurance. Source: US Census Bureau, American Community Survey 5-year estimates (2020).

RANKING · 2020 CENSUS · 135 SHOWN OF 3,135

Highest uninsured rate, US counties · 2020

US counties ranked by the share of residents without health insurance (2023 ACS).

All statesAll rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR2020 2024

RANKPLACESTATEPOPUNINSUREDVS 2000

3001Douglas County, MNMN40,1203.5%–

3002Washington County, MNMN286,8953.5%–

3003Essex County, NYNY36,4383.5%–

3004Onondaga County, NYNY466,5843.5%–

3005Newport County, RIRI83,0513.5%–

3006York County, VAVA71,3743.5%–

3007Livingston County, MIMI197,3153.5%–

3008Douglas County, COCO399,3963.5%–

3009Mercer County, ILIL15,2293.5%–

3010Richland County, ILIL15,2193.5%–

3011Spencer County, ININ20,0613.5%–

3012Dubuque County, IAIA99,3813.5%–

3013Hancock County, IAIA10,5283.5%–

3014Montgomery County, PAPA877,6433.5%–

3015Benton County, MNMN41,7443.4%–

3016Yellow Medicine County, MNMN9,4773.4%–

3017Dawson County, MTMT8,6923.4%–

3018Chenango County, NYNY45,7153.4%–

3019Clinton County, NYNY78,1383.4%–

3020Cortland County, NYNY45,8503.4%–

3021Franklin County, VTVT51,1773.4%–

3022Grand Isle County, VTVT7,5113.4%–

3023Honolulu County, HIHI988,7033.4%–

3024Gallatin County, ILIL4,6163.4%–

3025Harrison County, IAIA14,6233.4%–

3026Henry County, IAIA19,3493.4%–

3027Keokuk County, IAIA9,7973.4%–

3028Taylor County, KYKY26,7633.4%–

3029Wayne County, NENE10,0203.4%–

3030Lincoln County, WAWA11,9823.4%–

3031Iowa County, WIWI23,9513.4%–

3032Calvert County, MDMD94,4843.3%–

3033Hickman County, KYKY4,3723.3%–

3034Chisago County, MNMN59,1423.3%–

3035Nicollet County, MNMN34,2733.3%–

3036Steele County, MNMN37,4643.3%–

3037Ontario County, NYNY113,1303.3%–

3038Billings County, NDND1,0713.3%–

3039Washington County, VTVT59,6523.3%–

3040Waukesha County, WIWI417,2103.3%–

3041Butler County, PAPA200,1693.3%–

3042Scott County, MNMN159,0173.3%–

3043Meade County, KYKY30,6993.3%–

3044Harford County, MDMD266,4463.3%–

3045McPherson County, NENE3693.3%–

3046Marin County, CACA253,6943.2%–

3047Plumas County, CACA18,5833.2%–

3048Washtenaw County, MIMI370,2143.2%–

3049Brown County, MNMN25,5173.2%–

3050Traverse County, MNMN3,1303.2%–

3051Genesee County, NYNY58,4163.2%–

3052Monroe County, NYNY750,5063.2%–

3053Cameron County, PAPA4,2113.2%–

3054Orleans County, VTVT27,6003.2%–

3055Calumet County, WIWI53,9823.2%–

3056Chittenden County, VTVT169,1153.2%–

3057Poquoson, VAVA13,2923.2%–

3058Bremer County, IAIA25,2963.2%–

3059Mills County, IAIA14,7933.2%–

3060Montgomery County, IAIA10,0023.2%–

3061O'Brien County, IAIA14,2203.2%–

3062Oldham County, KYKY70,9863.2%–

3063Carroll County, MDMD176,6773.2%–

3064Westmoreland County, PAPA349,3243.2%–

3065Barnstable County, MAMA233,5393.1%–

3066Erie County, NYNY946,7413.1%–

3067Livingston County, NYNY61,4383.1%–

3068Niagara County, NYNY208,9123.1%–

3069Tioga County, NYNY47,4533.1%–

3070McHenry County, NDND5,1303.1%–

3071Sargent County, NDND3,7113.1%–

3072Hand County, SDSD3,1213.1%–

3073Kiowa County, COCO1,4123.1%–

3074Scott County, ILIL4,8663.1%–

3075Boone County, IAIA26,7993.1%–

3076Hamilton County, IAIA14,9443.1%–

3077Greenlee County, AZAZ9,3123.0%–

3078Essex County, MAMA826,6533.0%–

3079Hampden County, MAMA464,3383.0%–

3080Red Lake County, MNMN3,9403.0%–

3081Albany County, NYNY321,2253.0%–

3082Putnam County, OHOH34,3803.0%–

3083Kent County, RIRI173,4953.0%–

3084Greene County, IAIA8,6583.0%–

3085Bristol County, MAMA593,6402.9%–

3086Pierce County, NDND3,8382.9%–

3087Wells County, NDND3,7292.9%–

3088Sully County, SDSD1,4792.9%–

3089Carver County, MNMN114,3792.9%–

3090Sherburne County, MNMN104,1942.9%–

3091Hancock County, KYKY9,0502.9%–

3092Pope County, MNMN11,4202.8%–

3093Hunterdon County, NJNJ131,7812.8%–

3094Los Alamos County, NMNM19,4072.8%–

3095Mora County, NMNM4,0512.8%–

3096Saratoga County, NYNY241,3432.8%–

3097Putnam County, ILIL5,6192.8%–

3098Wilkin County, MNMN6,2882.7%–

3099Ozaukee County, WIWI94,3462.7%–

3100Washington County, ILIL13,5642.7%–

3101Iowa County, IAIA16,5042.7%–

3102Jones County, IAIA21,2532.7%–

3103Berkshire County, MAMA128,2242.6%–

3104Middlesex County, MAMA1,669,9792.6%–

3105Elk County, PAPA29,9262.6%–

3106Falls Church, VAVA15,1592.6%–

3107Madison County, IAIA17,2702.6%–

3108Winneshiek County, IAIA19,7332.6%–

3109Lac qui Parle County, MNMN6,7042.5%–

3110Pennington County, MNMN13,6862.5%–

3111Monroe County, ILIL34,8402.5%–

3112Jasper County, IAIA38,1532.5%–

3113Winnebago County, IAIA10,2512.5%–

3114Franklin County, MAMA70,6982.4%–

3115Hampshire County, MAMA164,0652.4%–

3116Plymouth County, MAMA546,8292.4%–

3117Thomas County, NENE6392.4%–

3118Menard County, ILIL11,8632.4%–

3119Benton County, IAIA26,0042.4%–

3120Warren County, IAIA57,3312.4%–

3121Lee County, KYKY7,2972.4%–

3122Washington County, RIRI129,7952.4%–

3123Worcester County, MAMA888,5022.3%–

3124Cedar County, IAIA18,3592.3%–

3125Logan County, NDND1,8592.2%–

3126Pope County, ILIL3,6722.2%–

3127Grundy County, IAIA12,3612.2%–

3128Bristol County, RIRI50,0012.1%–

3129Carroll County, IAIA20,3032.1%–

3130Norfolk County, MAMA739,7491.8%–

3131Campbell County, SDSD1,3771.5%–

3132Wolfe County, KYKY6,2981.2%–

3133Calhoun County, ILIL4,3001.0%–

3134Slope County, NDND6280.5%–

3135Kalawao County, HIHI820.0%–

SHOWING 3,001–3,135 OF 3,135

1 2 3 4 5 6 7

Download CSV (full list, 3,135 rows)

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