 The other two cases – the only times Iroquois County has voted Democratic – were in Franklin D. Roosevelt’s 1932 and 1936 landslides during the Great Depression.Throughout the rest of its history, Iroquois County has been among the most solidly Republican counties in Illinois.Indeed, since 1940 only Lyndon Johnson in his 1964 landslide has garnered forty percent of the county’s vote for the Democratic Party, and only Bill Clinton in 1996 has topped 35 percent since 1968.