A Mississippi River county where Republican margins have widened each cycle since 2008
Jackson County's working-class river towns and agricultural hinterland have tracked a steady rightward shift over 15 years, with the 2024 presidential margin reaching R+32.5 — roughly double what it recorded in the early Obama era.
Contextual statewide polling for Iowa. County pages stay rooted in county returns, but live statewide polling helps frame the current cycle.