Tim Neville is a former Republican member of the Colorado Senate from the 16th district. Neville was known for his hardline conservative stances on social issues, education and gun legislation.

The 2018 Colorado State Senate elections took place as part of the biennial United States elections. Colorado voters elected state senators in 17 of the 35 districts in the state senate. State senators serve four-year terms in the Colorado State Senate. The Colorado Reapportionment Commission provides a statewide map of the state Senate here, and individual district maps are available from the U.S. Census here.