Where Americans Moved in 2025: Carolinas and Idaho See Most Growth From Out-of-State Moves

South Carolina, Idaho and North Carolina saw the strongest net domestic migration gains in 2025, while high-cost states like New York, Hawaii, Alaska and California experienced the largest outflows due to affordability and homebuilding disparities.

Understanding where populations are growing or shrinking helps businesses align their outreach to shifting concentrations of potential customers, since states gaining residents like South Carolina, Idaho and North Carolina reflect expanding audience pools while states losing residents face declining reach.