Once reliably Republican, McHenry's suburbs are narrowing the gap
A fast-growing exurban county northwest of Chicago, McHenry shifted from R+20 margins a decade ago to R+5.3 in 2024, reflecting the broader realignment of college-educated suburban voters across the collar counties.
Contextual statewide polling for Illinois. County pages stay rooted in county returns, but live statewide polling helps frame the current cycle.