Colorado gained 80,000 residents in one year, new census data shows
DENVER -- Colorado remains one of the fastest-growing states in the nation, according to new data released by the United States Census Bureau. Between July 1, 2017 and July 1, 2018, Colorado's population increased by just under 80,000, a change of 1.42 percent. The state's population is now estimated at 5,695,564.