Colorado's 15th Senate district

Colorado's 15th Senate district is one of 35 districts in the Colorado Senate. It has been represented by Democrat Janice Marchman since 2023. Prior to redistricting the district was represented by Republicans Rob Woodward and Kevin Lundberg.^[3][4]

Colorado's 15th State Senate district
From 2022 onward From 2012 to 2022
Senator	Janice Marchman D–Loveland
Registration	25.4% Republican 23.0% Democratic 49.5% No party preference
Demographics	79% White 2% Black 15% Hispanic 1% Asian 2% Other
Population (2018)	155,402[1]
Registered voters	125,330[2]

Geography

District 15 covers nearly all of Larimer County outside of Fort Collins, including the communities of Loveland, Estes Park, Berthoud, Wellington, and Laporte.^[5]

The district is located entirely within Colorado's 2nd congressional district, and overlaps with the 49th, 51st, 52nd, and 53rd districts of the Colorado House of Representatives.^[6]

Recent election results

Colorado state senators are elected to staggered four-year terms; under normal circumstances, the 15th district holds elections in midterm years. The 2022 election will be the first held under the state's new district lines.

2022

2022 Colorado Senate election, District 15^[7]

Party		Candidate	Votes	%
	Democratic	Janice Marchman	43,068	50.6
	Republican	Rob Woodward (incumbent)	42,054	49.4
Total votes			85,122	100

Historical election results

2018

2018 Colorado State Senate election, District 15^[8]

Party		Candidate	Votes	%
	Republican	Rob Woodward	44,434	53.1
	Democratic	Rebecca Cranston	39,256	46.9
Total votes			83,690	100
	Republican hold

2014

2014 Colorado State Senate election, District 15^[9]

Party		Candidate	Votes	%
	Republican	Kevin Lundberg (incumbent)	47,581	100
Total votes			47,581	100
	Republican hold

Federal and statewide results

Year	Office	Results[10]
2020	President	Trump 49.7 – 47.5%
2018	Governor	Stapleton 50.2 – 45.8%
2016	President	Trump 51.6 – 39.2%
2014	Senate	Gardner 54.6 – 39.5%
	Governor	Beauprez 51.8 – 43.3%
2012	President	Romney 52.5 – 44.8%