1990Final results
1990 election for Colorado Senate District 15
Colorado State Senate · Colorado
Jim Roberts (R) won with 53.0% of the vote, defeating Paul Vaughan (D) by 5.9 points.
Jim RobertsRepublican · winner
53.0%14,600
Paul VaughanDemocrat
47.0%12,964
27,564 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 1990
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET