This is the 2020 race. The latest: 2026 →

2020Final results

2020 election for Montana House District 99

Montana House of Representatives · Montana

Mark Thane (D) won with 64.3% of the vote, defeating David Moore (R) by 28.7 points.

Mark ThaneDemocrat · winner
64.3%4,088
David MooreRepublican
35.7%2,265
6,353 votes

Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET

The seat over time

D − R margin in this seat's races around 2020

Races before and after

EvenD+33.32012D+19.42016D+21.92018D+28.72020D+32.02022D+11.92024

Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET