A Mississippi River county that has shifted markedly rightward since 2008
Dubuque County, long anchored by its Catholic, union-influenced workforce in Iowa's oldest city, has moved steadily toward Republican margins over the past decade — a shift that mirrors broader realignment among working-class voters in the Midwest.
Contextual statewide polling for Iowa. County pages stay rooted in county returns, but live statewide polling helps frame the current cycle.