Nicholson ran for Colorado State Representative, District 62, in 2000, but was defeated by Republican Glenn Scott.[3]
In 2010, she ran for Colorado State Senate, District 16, defeating Republican Tim Leonard.[3]
In the 2011 session of the Colorado General Assembly, she vice-chaired the local government committee and was a member of its appropriations, education and judiciary committees.[4]
In 2014, she ran for reelection but was defeated by in Republican Tim Neville.[3]
Personal life
Nicolson is a retired public health nurse, having worked nearly 40 years in nursing.[5][6] She earned a Bachelor of Science degree in nursing in 1966, and a Master of Science degree in community health nursing from the University of Colorado in 1999. Her master's thesis was "Politicians' Perceptions of Public Health".[7]