Chittenden County had been the only county in Vermont to flip to the Democrats for the first Roman Catholic nominee Al Smith in 1928 .
Kennedy won Chittenden County , the most populous county , home to the state 's largest city , Burlington .
home   had been the only county in Vermont to flip to the Democrats for the first Roman Catholic nominee Al Smith in 1928 .
Kennedy won Chittenden County , the most populous county , home to the state 's largest city , Burlington .