Average IQ by State 2025

Average IQ Score

94.0
96.0
98.0
100.0
102.0
104.0
  • PIAAC: IQ estimates are based on an analysis of exam scores from the Program for the International Assessment of Adult Competency (PIAAC) for adults, and the National Assessment of Educational Progress (NAEP) for fourth and eighth grade children
  • Higher IQ scores are preferable