2018Final results
2018 election for Ohio House District 30
Ohio House of Representatives · Ohio
Bill Seitz (R) won with 69.3% of the vote, defeating Clayton Adams (D) by 38.7 points.
Bill SeitzRepublican · winner · incumbent
69.3%33,652
Clayton AdamsDemocrat
30.7%14,886
48,538 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET