A handful of elections in Florida and Wisconsin have become key tests of President Donald Trump’s political standing just over two months into his second term in the White House.

Washington County, where Addison is located, is one of the state’s most Republican counties and one of many Republican-dominated areas across Wisconsin where early voting rates have surged.

But the data shows that the largest increases are coming from both Democratic- and Republican-heavy counties. Milwaukee County, the state's largest county and the one that is home to the most ...