This is the 2000 race. The latest: 2024 →

2000Final results

2000 election for Colorado Senate District 23

Colorado State Senate · Colorado

Ken Arnold (R) won with 48.8% of the vote, defeating Michael C. Massarotti (D) by 0.8 points.

Ken ArnoldRepublican · winner · incumbent
48.8%22,059
48.0%21,718
3.2%1,443
45,220 votes

Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET

The seat over time

D − R margin in this seat's races around 2000

Races before and after

EvenR+4.31988D+8.91992R+7.31996R+0.82000R+16.92004R+7.32008

Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET

The candidates

Ken Arnold (R)Michael C. Massarotti (D)

Also on the ballot: Steven E. Lechner (Libertarian), 3.2%