Average IQ in Arizona: Estimates & Context
Estimated Avg IQ
~97
US Ranking
#38
of 50 states
Region
West
Note: No state administers IQ tests to its residents. These estimates are proxy conversions from standardized achievement scores (NAEP, SAT, ACT) — an approach popularized by McDaniel's 2006 state-IQ estimates in the journal Intelligence — combined with demographic data. Proxy conversions carry real limitations: SAT/ACT participation rates differ sharply by state and bias comparisons, and the variation within any state dwarfs the differences between states. Figures are shown rounded; decimal precision would overstate what these proxies can support. They say nothing about any individual resident.
About Arizona's IQ Ranking
Arizona's below-average ranking reflects several factors: rapid population growth that has strained educational infrastructure, lower-than-average per-pupil education spending, and a large immigrant population building English proficiency. Phoenix and Scottsdale have well-funded schools and growing tech sectors, but much of the state — particularly Native American reservations and rural border communities — faces severe educational resource limitations.
What Shapes Arizona's Cognitive Profile
Arizona State University, with well over 100,000 students across its campuses and online divisions, enrolls more students than any other US public university and has made massive digital delivery a deliberate institutional strategy. TSMC's fabs in north Phoenix, a multibillion dollar bet on American chipmaking, collided with a thin local pipeline of semiconductor technicians and prompted crash training programs at Maricopa County community colleges. In 2022 the state enacted the nation's first universal education savings account program, letting any family redirect public funds toward private schooling, an experiment several states have since copied. Teacher attrition runs among the country's highest, driven by pay that trails national figures by a wide margin. Tucson holds a legacy optics and missile engineering cluster around Raytheon and the University of Arizona's astronomy programs, which operate some of the world's premier telescopes. Retirement communities like Sun City weigh on school tax votes. The estimated average reflects infrastructure still catching up to relentless growth.
For global context, see how the US compares in our United States IQ page and the full country rankings.
Arizona vs Other West States
| State | Average IQ | US Rank |
|---|---|---|
| Arizona | ~97 | #38 |
| Oregon | ~103 | #6 |
| Washington | ~103 | #7 |
| Montana | ~103 | #7 |
| Colorado | ~103 | #11 |
| Wyoming | ~102 | #11 |
| California | ~102 | #14 |
| Idaho | ~101 | #15 |
| Utah | ~101 | #17 |
| Hawaii | ~99 | #25 |
| Alaska | ~99 | #30 |
| Nevada | ~97 | #40 |
| New Mexico | ~95 | #47 |
Frequently Asked Questions
What is the average IQ in Arizona?
Arizona's estimated average IQ is 97.4, ranking #38. Rapid population growth and below-average education spending contribute to a lower ranking, though Phoenix's tech growth is improving the profile.
Why does Arizona spend less on education?
Arizona has historically prioritized low taxes over education spending, resulting in per-pupil expenditure well below the national average. The state's rapid population growth has further strained resources, creating overcrowded schools in many districts.
How does Arizona compare to Colorado?
Colorado (102.5) significantly outranks Arizona (97.4), despite both being Western states with growing tech sectors. Colorado has higher education spending, a more established university system, and a smaller, more uniformly educated population.
Explore Other States
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MyIQScores Editorial Team
Editorial team focused on cognitive testing & psychometrics research
Last updated
May 10, 2026
MyIQScores content is written and maintained by our editorial team using published research in cognitive psychology and psychometrics as its source base. We label estimates as estimates, link primary sources where available, correct errors when readers flag them, and update pages as research or feedback warrants — see our corrections policy.