2018Final results
2018 election for Colorado's 5th District
U.S. House · Colorado
Doug Lamborn (R) won with 57.0% of the vote, defeating Stephany Rose Spaulding (D) by 17.7 points.
Doug LambornRepublican · winner
57.0%184,002
Stephany Rose SpauldingDemocrat
39.3%126,848
Douglas RandallLibertarian
3.7%11,795
322,716 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Stephany Rose SpauldingDoug Lamborn
$368.3K
Raised by the campaign
$680K
$327.1K
Spent by the campaign
$780.2K
$41.2K
Cash on hand
$217.1K
Campaign money: FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018