Being in South Texas, Jim Wells County is part of the oldest Democratic stronghold in the entire United States - a region that has consistently voted for Democrats since the days of Woodrow Wilson. The  has maintained control of the county despite massive demographic changes due to Civil Rights, the collapse of Jim Crow laws and poll taxes, and mass immigration from Mexico. The only Republicans to win the county since it was created have been Dwight D. Eisenhower in United States presidential election, 1956 and Richard Nixon in United States presidential election in Texas, 1972. Since 2004 Jim Wells County has become somewhat less Democratic the during the late twentieth century, but nonetheless the Democratic candidate has won at least 53.77 percent of the county’s vote in every election since 1976. In United States presidential election, 2016, Hillary Clinton won 54.08 percent of Jim Wells County’s vote to Donald Trump’s 43.78 percent; in United States presidential election, 2012 Barack Obama won 58.14 percent to Republican Mitt Romney’s 41.18 percent, whilst in 2008 President-elect Obama won 57.75 percent to John McCain’s 41.69 percent.. How many more percentage points of the vote in Jim Wells County's vote did Obama win than McCain?