Population Of Colorado 2024. Colorado population in 2024 is estimated to be 5.89 million and its 22nd populous state in us. Chart and table of population level and growth rate for the state of colorado from 1900 to 2023.

Colorado springs is currently growing at a rate of 0.57% annually and its. Like most states across the us, the population of colorado is growing, but the growth has been significant in past years.