Riding profile

OH-1

US House district — OH · Mixed · us oh

The question

OH-1: who wins this toss-up?

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 51% vote share, against 49% for the Republicans, and the race could swing.

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

Current forecast

Democrat

Toss-up

Probability
89%
Mean margin (pts)
3.1
P(close race)
82%

Projected vote share

Projection by party

  • Democrat 51.4%
  • Republican 48.6%

In context

How this riding stacks up

Democrat Republican
HereOH-1 51.4%48.6%
National averageUnited States 51.9% −0.4 46.6% +1.9

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

Projection track

How the projection has moved

Previous election · US HOUSE_2024

Won by
Democrat
Margin
25.3 pts
Margin shift vs current projection
-22.2 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%

Around the region

Nearby ridings

Tone only — pick a riding to see the numbers.

Last model run
Cycle
us_house_2026