Riding profile

OH-1

US House district — OH · Mixed · us oh

The question

OH-1: a safe seat for the Democrats?

Current forecast

Democrat

Safe

Probability
100%
Mean margin (pts)
7.1
P(close race)
8%

Projected vote share

Projection by party

  • Democrat 53.5%
  • Republican 46.5%

Watch list

The tightest races

Smallest projected margin. Open one for the numbers.

  1. FL-22Democrat68 %1.1 pt margin
  2. AZ-2Republican57 %1.1 pt margin
  3. OH-10Democrat60 %1.1 pt margin

In context

How this riding stacks up

Democrat Republican
HereOH-1 53.5%46.5%
National averageUnited States 54.3% −0.8 44.9% +1.5

Nationwide averages computed across the 435 riding-level projections (unweighted mean).

Projection track

How the projection has moved

District polls

Polls in this district

1 poll

Pollster Field dates Sample Pop. Topline Source
Quantus Insights 21–Aug 24 509 LV
Democrat 48 Republican 45
link

District-level polls, topline only. Vote-Scope reports each published poll as the pollster released it; figures are not the Vote-Scope projection.

Editorial read

OH-1, a mixed riding in OH, elected a member with the Democrats in the previous cycle, with a 25-point margin. The Vote-Scope model projects the Democrats ahead at 54% vote share, against 46% for the Republicans, and the probability of a close race is negligible.

Sitting member

LANDSMAN, GREG

Sits with Democrat

Who's running

The candidates

Declared and on-ballot candidates for the upcoming election.

  • Democrat Incumbent

    Landsman, Greg

  • Democrat Challenger

    Lynch, Damon Iv

  • Republican Challenger

    Adams, Holly

  • Republican Challenger

    Conroy, Eric

  • Republican Challenger

    Erbeck, Steven

  • Republican Challenger

    Oglesby-Henry, Rosemary

Previous election · 2024

Won by
Democrat
Margin
25.3 pts
Margin shift vs current projection
-18.2 pts

Redistricting impact

Where these voters came from

This district was redrawn under the 2025-2026 mid-decade redistricting. Composition by inherited old-district share:

  • Congressional District 1 (39001) 52%
  • Congressional District 2 (39002) 38%
  • Congressional District 8 (39008) 9%
Last model run
Cycle
us_house_2026