Trump's campaign announced a rally on Dec. 10 at Hershey's Giant Center.
Trump has previously traveled to Pennsylvania this year to stump for Republican Fred Keller in a special congressional election in rural northern Pennsylvania and to boost the natural gas industry in two separate Pittsburgh-area trips.
Pennsylvania backed Trump in the 2016 election by about 44,000 votes, or less than 1 percentage point over Democrat Hillary Clinton.
That made Trump the first Republican presidential candidate to win the state since 1988.
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