1988Final results
1988 election for Colorado Senate District 31
Colorado State Senate · Colorado
Donald Sandoval (D) won with 75.1% of the vote, defeating Christine Valdez (R) by 50.2 points.
Donald SandovalDemocrat · winner · incumbent
75.1%17,546
Christine ValdezRepublican
24.9%5,824
23,370 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 1988
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET