EAVS × ACS
The twin-county gap
When population, income, age, education, poverty, nativity and vehicle access look alike, state borders can expose a different election-administration story.
cross-state pairs passed the coverage rule: both counties are above limited quality and share at least two reported administrative measures.
Largest normalized administrative gaps
01Harding County, NMKing County, TX59.3% similarpolling-place densitylargest gap02Catron County, NMJeff Davis County, TX58.9% similarpolling-place densitylargest gap03Blaine County, NEKent County, TX74.2% similarpolling-place densitylargest gap04Esmeralda County, NVKenedy County, TX32.5% similarpolling-place densitylargest gap05Camas County, IDBorden County, TX66.2% similarpolling-place densitylargest gap06Clark County, IDHamilton County, KS62.4% similarpolling-place densitylargest gap07Golden Valley County, NDCottle County, TX75.9% similarpolling-place densitylargest gap08Sioux County, NDCorson County, SD79.7% similarpolling-place densitylargest gap09Sioux County, NDJackson County, SD65.3% similarpolling-place densitylargest gap10Fulton County, ARDouglas County, MO82.8% similarpolling-place densitylargest gap11Powder River County, MTTowner County, ND84.2% similarpolling-place densitylargest gap12Wheeler County, ORLoving County, TX30.4% similarpolling-place densitylargest gap13Nelson County, NDPotter County, SD83.3% similarpolling-place densitylargest gap14Alpine County, CAGlasscock County, TX63.8% similarpolling-place densitylargest gap15Greeley County, KSGlasscock County, TX66.6% similarpolling-place densitylargest gap16Comanche County, KSSheridan County, ND78.5% similarpolling-place densitylargest gap17Jones County, SDMcMullen County, TX55.9% similarpolling-place densitylargest gap18Terrell County, GAZiebach County, SD63.4% similarpolling-place densitylargest gap19Daniels County, MTLogan County, ND76.6% similarpolling-place densitylargest gap20Haskell County, KSHudspeth County, TX57.2% similarpolling-place densitylargest gap21Chase County, KSCimarron County, OK73.9% similarpolling-place densitylargest gap22McCone County, MTSlope County, ND76.4% similarpolling-place densitylargest gap23Trego County, KSHarding County, SD78.1% similarpolling-place densitylargest gap24Lake of the Woods County, MNPotter County, SD84.3% similarpolling-place densitylargest gap25Huerfano County, COMora County, NM70.4% similarpolling-place densitylargest gap26McCreary County, KYEast Carroll Parish, LA71.0% similarpolling-place densitylargest gap27Conecuh County, ALMenifee County, KY78.4% similarpolling-place densitylargest gap28Modoc County, CAComanche County, TX75.6% similarpolling-place densitylargest gap29Montgomery County, NCComanche County, TX81.1% similarpolling-place densitylargest gap30Wilcox County, ALNorton city, VA76.9% similarpolling-place densitylargest gap31Mineral County, COKeweenaw County, MI62.4% similarpolling-place densitylargest gap32Wheeler County, NESlope County, ND74.4% similarpolling-place densitylargest gap33Hinsdale County, COArthur County, NE62.3% similarpolling-place densitylargest gap34Hidalgo County, NMHarmon County, OK75.0% similarpolling-place densitylargest gap35Sargent County, NDSutton County, TX71.0% similarpolling-place densitylargest gap36Ontonagon County, MIWheeler County, OR70.7% similarpolling-place densitylargest gap37Martin County, KYEast Carroll Parish, LA74.0% similarpolling-place densitylargest gap38Webster County, KYMitchell County, TX79.1% similarmail rejectionlargest gap39Clay County, GAHarding County, NM64.5% similarpolling-place densitylargest gap40Echols County, GAReagan County, TX83.4% similarpolling-place densitylargest gap41Comanche County, KSPiute County, UT77.5% similarpolling-place densitylargest gap42Edwards County, TXGalax city, VA61.6% similarpolling-place densitylargest gap43Franklin County, IAComanche County, TX78.9% similarpolling-place densitylargest gap44Judith Basin County, MTPierce County, ND77.9% similarpolling-place densitylargest gap45Sioux County, NDTodd County, SD68.8% similarpolling-place densitylargest gap46Van Buren County, ARLake County, MI85.5% similarpolling-place densitylargest gap47Stark County, ILHardeman County, TX76.6% similarpolling-place densitylargest gap48Roger Mills County, OKHot Springs County, WY80.1% similarpolling-place densitylargest gap49Clay County, ALVinton County, OH91.8% similarpolling-place densitylargest gap50Stark County, ILEllsworth County, KS87.6% similarpolling-place densitylargest gap51Bear Lake County, IDCedar County, NE86.6% similarpolling-place densitylargest gap52Bullock County, ALMcDowell County, WV82.7% similarpolling-place densitylargest gap53Garden County, NEBriscoe County, TX67.1% similarpolling-place densitylargest gap54Scott County, KSSterling County, TX58.5% similarpolling-place densitylargest gap55Sullivan County, MOConcho County, TX72.3% similarpolling-place densitylargest gap56Calhoun County, ARStark County, IL85.4% similarpolling-place densitylargest gap57Cavalier County, NDMiner County, SD74.1% similarpolling-place densitylargest gap58Trego County, KSPotter County, SD78.8% similarpolling-place densitylargest gap59Daniels County, MTMotley County, TX75.3% similarpolling-place densitylargest gap60Ontonagon County, MIAitkin County, MN72.7% similarpolling-place densitylargest gap61Boyd County, NETowner County, ND75.8% similarpolling-place densitylargest gap62Prairie County, ARDade County, MO84.9% similarpolling-place densitylargest gap63St. Francis County, ARMorehouse Parish, LA80.9% similarmail rejectionlargest gap64Sherman County, KSDewey County, OK77.7% similarpolling-place densitylargest gap65Dolores County, COPrairie County, MT65.1% similarpolling-place densitylargest gap66Lyman County, SDMenominee County, WI75.3% similarpolling-place densitylargest gap67Walsh County, NDMajor County, OK87.6% similarpolling-place densitylargest gap68Morrill County, NEEllis County, OK83.3% similarpolling-place densitylargest gap69Candler County, GAUpton County, TX67.3% similarpolling-place densitylargest gap70Lucas County, IAKnox County, TX73.7% similarpolling-place densitylargest gap71Cheyenne County, KSCollingsworth County, TX71.9% similarpolling-place densitylargest gap72Gosper County, NESteele County, ND83.1% similarpolling-place densitylargest gap73Clay County, GAWorth County, MO76.6% similarpolling-place densitylargest gap74Yell County, ARLive Oak County, TX73.9% similarmail rejectionlargest gap75Pulaski County, ILRipley County, MO79.8% similarpolling-place densitylargest gap
The divergence index averages absolute differences normalized by a fixed, published scale for each available administrative measure. It is a navigation device, not a quality score or causal model.