Average IQ by State

New Hampshire ranks first, edging out Massachusetts and Vermont. The smartest people in the country picked the state with no income tax and no sales tax.

More maps

All 88 maps →

High School Completion by CountyPercent of Ages 25–34 With an Associate Degree or HigherRanking US Counties by Poverty, Education, and Unemployment (2019)Net Domestic Migration Rate by State (2025)