population is growing third ranking state by population growth rate See original source population growth grew less than the U.S. average of 4.1% top 5 states within U.S.A. en:List of U.S. states by population growth rate United States Census Bureau population growth sixth-fastest fastest growing state in the United States one of the fastest growing sixth-fastest red states are gaining residents and blue states are losing sixth-fastest up a bit over 2%