Sam Oosterhoff has cast 110 recorded division votes in the current parliament, voting yea on 70 (64%) and nay on 24 (22%). Oosterhoff was absent for 16 votes (15% of all divisions). Oosterhoff voted with the winning majority 81% of the time.

In the February 2025 election, Oosterhoff won Niagara West with 51.13% of the vote, a safe margin of +26.4% over Shauna Boyle (LIB, 24.75%). Turnout in the riding was 54.9%.

Of the 110 votes, 62 were on bills and 32 were procedural motions. As a member of the governing party, a high majority-alignment rate is typical.