washington/bethesda md wealthy well-educated voters help carry republican presidential front-runner donald trump victory week east coast primaries demographic famously blunt-spoken billionaire struggle attract past sweep pennsylvania maryland delaware connecticut rhode island tuesday include win rich best-educated counties country like fairfield county connecticut newport county rhode island add victories traditional strongholds white working-class neighborhoods exit poll connecticut pennsylvania maryland show trump win half republican voters college degrees half republican voters make 100,000 year face hard believe improve demographic group averse style denigrate language say randall miller professor american politics saint joseph university pennsylvania think people may get use trump outrageous use say add familiarity businessman brand northeast may also help still five state could uphill battle republicans nov. presidential election last republican presidential nominee win george h.w bush 1988. challenge new york billionaire could replicate tuesday performance part country seek lock party nomination 10 state contest remain nationally likely voters college degree become increasingly critical trump recent months accord reuters/ipsos poll also increasingly unpopular make 100,000 year trump far ahead rival u.s. senator ted cruz texas ohio governor john kasich race presidential nomination miller say republican voters strip may become resign vote trump think possible replicate this anti-establishment trump historically do well areas collapse important local industries put stress work families propel popularity among poor white voters draw rhetoric inept government fail international trade deal narrative persist tuesday contest trump take 63 percent vote forest county pennsylvania median family income among white 45,000 low state also get 46 percent vote chester county pennsylvania median income white high state 108,000 franklin marshall college voter survey release last week show trump message disaffection sink across state 40 percent voters cite government politicians important problem face pennsylvania unemployment personal finance rank distant second 14 percent affluent maryland suburbs montgomery howard counties 60 percent white hold college degrees trump claim small 40 percent share republican vote still enough first-place finish cruz kasich fred stubbs 72 retire accountant potomac maryland say vote trump tuesday believe real estate mogul would improve country stand world add travel new york regularly din restaurants build own trump always admire businessman stubbs say wealthy educate voters fuel trump 's east coast sweep