A northern Iowa county that has shifted markedly rightward over two decades
Cerro Gordo, anchored by Mason City, was a Democratic-leaning industrial county as recently as the 2000s but posted an R+11.6 margin in 2024, reflecting a broader working-class realignment across Iowa's small manufacturing cities.
Contextual statewide polling for Iowa. County pages stay rooted in county returns, but live statewide polling helps frame the current cycle.