Low-tax, Republican-leaning states are gaining people, while higher-tax, Democrat-leaning states are losing them, according to new domestic migration data released this week by the U.S. Census Bureau. Source: Unleash Prosperity analysis of U.S. Census data. Unleash Prosperity, a pro-growth advocacy group that parsed the data, listed North Carolina, Texas, South Carolina, Tennessee, and Arizona as the states with the largest net domestic migration gains, with California, New York, Illinois, New