Ohio's 1st District: Greg Landsman (D) vs Eric Conroy (R)

Greg Landsman (D) vs Eric Conroy (R) · Report written Oct 28 · odds updated Nov 2

View OH-01 chart on the forecast

Landsman leads 5-9 despite a redder map; 4.5x cash edge

Why this race matters

D 91.5% · R 8.5%Catalyst win chance ANALYST
Likely D
2.8%Tipping-point share ANALYST
decisive seat for control
Likely DRater consensus SOURCED
7 ratings
89.5%House control: Democratic (Republican 10.5%) ANALYST

Catalyst forecast v2.2, as of 2026-11-02. Tipping-point share = share of simulations in which this race supplies the decisive seat. Rater consensus from published ratings. Methodology and sources.

Redistricting context (SOURCED): Ohio Redistricting Commission's Oct 31, 2025 bipartisan map made OH-1 and OH-9 more Republican; Trump would have won them by 3 and 11 pts in 2024 (https://en.wikipedia.org/wiki/2026_United_States_House_of_Representatives_elections_in_Ohio, citing cleveland.com 2025-10-31).6 R seats: not re-verified this pass.

Where it stands

Sources

Every figure above is linked to its source where it appears. FEC figures: fec.gov candidate and committee filings.

Gaps