Redistricting in Colorado is governed by the state constitution and statutes.

Sections 44 through 44.6 of Article V of the Colorado Constitution (Congressional Redistricting, Amendment Y):

Sections 46 through 48.4 of Article V of the Colorado Constitution (Legislative Redistricting, Amendment Z):

Article 1 of Title 2, C.R.S.: Congressional Districts
Part 5, Article 2 of Title 2, C.R.S.: Legislative Districts - Implementation of Commission Plan
Part 9, Article 2 of Title 2, C.R.S.: Census Data for Redistricting

Senate Bill 20-186 (includes nonstatutory provisions for the 2021 redistricting process):