Growth#33 of 102 · Added July 22, 2026
Estimated IQ
IQ score estimated from adult PIAAC and student NAEP test results
Data: Journal of Intelligence (Pesta), 2022 ↗nhmaps.com/79
The smartest people in the country picked the state with no income tax and no sales tax.
Estimated average IQ (IQ points (mean 100, SD 15))
Map: HomeSnacks — IQ By State (2026) ↗Data: Journal of Intelligence (Pesta), 2022 ↗Found via @GregMooreNH ↗
View the data (50 states)
| # | State | Value |
|---|---|---|
| 1 | New Hampshire | 103.2 |
| 2 | Massachusetts | 103.1 |
| 3 | Minnesota | 102.9 |
| 4 | Vermont | 102.2 |
| 5 | North Dakota | 101.7 |
| 5 | Wyoming | 101.7 |
| 7 | Utah | 101.5 |
| 7 | Washington | 101.5 |
| 9 | Connecticut | 101.2 |
| 9 | Nebraska | 101.2 |
| 9 | Virginia | 101.2 |
| 9 | Wisconsin | 101.2 |
| 13 | Colorado | 101.1 |
| 13 | Iowa | 101.1 |
| 13 | Montana | 101.1 |
| 16 | New Jersey | 101.0 |
| 17 | Maine | 100.9 |
| 18 | South Dakota | 100.7 |
| 19 | Indiana | 100.6 |
| 20 | Idaho | 100.5 |
| 20 | Kansas | 100.5 |
| 22 | Oregon | 100.3 |
| 23 | Pennsylvania | 100.2 |
| 24 | Maryland | 100.0 |
| 24 | Ohio | 100.0 |
| 26 | Michigan | 99.6 |
| 27 | Missouri | 99.5 |
| 27 | North Carolina | 99.5 |
| 29 | Alaska | 99.4 |
| 29 | Illinois | 99.4 |
| 29 | Rhode Island | 99.4 |
| 32 | Hawaii | 99.2 |
| 33 | Florida | 98.8 |
| 33 | Kentucky | 98.8 |
| 35 | Delaware | 98.7 |
| 36 | New York | 98.4 |
| 37 | Arizona | 98.3 |
| 37 | Tennessee | 98.3 |
| 39 | Oklahoma | 98.2 |
| 40 | Georgia | 98.1 |
| 41 | South Carolina | 97.8 |
| 42 | Texas | 97.4 |
| 43 | West Virginia | 97.2 |
| 44 | Arkansas | 97.1 |
| 44 | California | 97.1 |
| 46 | Nevada | 96.6 |
| 47 | Alabama | 96.4 |
| 48 | Mississippi | 95.8 |
| 49 | Louisiana | 95.2 |
| 50 | New Mexico | 95.0 |