The rating comes from the Crosstab House forecast, which combines the national environment from generic-ballot polling with each district's political lean. Explore the House map.
IL-01 (Safe Democratic) · IL-02 (Safe Democratic) · IL-03 (Safe Democratic) · IL-04 (Safe Democratic) · IL-05 (Safe Democratic) · IL-06 (Safe Democratic) · IL-07 (Safe Democratic) · IL-08 (Safe Democratic) · IL-09 (Safe Democratic) · IL-10 (Safe Democratic) · IL-11 (Safe Democratic) · IL-12 (Safe Republican) · IL-13 (Safe Democratic) · IL-14 (Safe Democratic) · IL-16 (Safe Republican) · IL-17 (Safe Democratic)
Crosstab rates Illinois's 15th District Safe Republican: Democrats have a 0% chance of winning it, and the forecast projects Republicans ahead by 29.8 points.
Mary Miller (Republican) is the incumbent.
Updated 2026-10-04 · Crosstab, nonpartisan polling analysis.