TERRE HAUTE, Ind.—If America’s nerves are on edge because of the presidential election, imagine the pressure of living in Vigo County.

The western Indiana county has backed the eventual White House winner in all 16 elections since 1956. While the county isn’t likely to affect the Electoral College math that picks the president, its record weighs on some Vigo voters’ minds.

Former... [To read rest of article, see https://www.wsj.com/articles/trump-biden-president-election-vigo-county-...