The Census Bureau announced this week that the country grew to 308,745,538, an increase of 9.7 percent since 2000. It's the slowest growth rate since the Great Depression.
But some states, like Nevada, Utah, North Carolina and Georgia, saw huge population gains in the last 10 years. Some, like Ohio, New York and Pennsylvania, saw growth slow way down. Michigan and Puerto Rico actually saw population declines.
Here are the 10 states with the greatest growth since 2000, and the 10 states with the least growth.
We want to hear why you moved to or from these states. What kept you in a slow-growing place, or what made you leave? What's it like to live in a place where the population is skyrocketing? Send us your thoughts, or share images of where you're living now, or what you left behind. Your story could be featured on CNN.

