Net migration to Colorado, 1970-2025

Are more people arriving in Colorado, or are more people leaving? This chart shows the state's net migration — arrivals minus departures — over several decades. The data includes both international immigration and moves within the U.S.

Colorado's rate of population growth was 0.4 percent in 2025, its slowest since the 1980s.

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2025 data comes from U.S. Census estimates. Other data is from the State Demographer's Office's analysis of Census data.

Chart: Andrew Kenney / DenveriteSource: U.S. Census; State Demographer's Office