The Proportional House

Illinois under proportional representation

Illinois’s 17-seat U.S. House delegation was elected D 14 · R 3 in 2024. Allocated in proportion to its projected statewide House vote, it would be D 10 · R 7 — a shift of 4 seats toward Republicans.

Explore Illinois on the interactive map →

Illinois is one of 50 states in an interactive map of the U.S. House under proportional representation, updated daily from current polling. See the most distorted delegations, the methodology and data sources, or the national map.