Arizona has a population of approximately 7.4 million and has been one of the fastest-growing states in America for the past two decades. Phoenix is now the fifth largest city in the United States. Arizona State University — with over 150,000 students — is the largest university by enrollment in the country. The state has attracted significant technology company relocations from California and has a growing semiconductor manufacturing sector driven by Intel and TSMC's major investments in the Phoenix area.
Arizona IQ — Key Statistics
Arizona's National Ranking
Arizona's estimated average IQ of approximately 94.3 places it 31st nationally — below the national average of 100. Like California, Texas, and Florida, Arizona's lower ranking reflects its large Hispanic immigrant population — particularly in the Phoenix area where approximately 43% of residents identify as Hispanic or Latino — and its historically underfunded K-12 education system.
| State | Est. IQ | Rank | Key Feature |
|---|---|---|---|
| Washington | 101.3 | 10th | Microsoft / Amazon |
| North Carolina | 95.3 | 25th | Research Triangle |
| Arizona 🌵 | 94.3 | 31st | ASU / Tech growth |
| Georgia | 93.4 | 34th | Atlanta tech boom |
| Mississippi | 90.0 | 50th | Lowest in nation |
Arizona by Region
| Region | Est. Average IQ | Key Driver | Trend |
|---|---|---|---|
| Scottsdale / North Phoenix | 103-110 | Wealthy suburbs + tech migration | ↑ Rising |
| Tempe / ASU Area | 98-104 | ASU + tech + young professionals | ↑ Rising |
| Tucson / UA | 96-102 | University of Arizona + research | → Stable |
| Phoenix Inner City | 88-93 | High poverty + underfunded schools | → Slowly improving |
| Rural Arizona / Tribal lands | 82-88 | Remote + severely underfunded | ↓ Persistent underinvestment |
The Semiconductor Revolution — Arizona's Cognitive Future
One of the most significant cognitive geography changes happening in any US state right now is in Arizona. Intel has operated in the Phoenix area for decades. But in 2021-2022 TSMC — the world's most advanced semiconductor manufacturer — announced a $40 billion investment to build two chip fabrication facilities in north Phoenix, representing the largest foreign direct investment in US history.
TSMC's facilities require thousands of highly skilled semiconductor engineers, many recruited globally. Intel is expanding its own Arizona facilities in parallel. The combined effect is bringing an influx of highly educated, high-IQ semiconductor and engineering workers to the Phoenix metro that will measurably shift Arizona's cognitive geography over the next decade — similar to what the tech migration did for Austin, Texas.
Arizona Education — The Nation's Most Underfunded System
| Education Metric | Arizona | US Average | Assessment |
|---|---|---|---|
| Per pupil spending | $8,700 | $13,600 | Among lowest in nation |
| % with bachelor's degree | 30.5% | 33.0% | Below average |
| 4th grade math proficiency | 31% | 36% | Below average |
| High school graduation rate | 79% | 87% | Well below average |
| Teacher salary rank | 47th | — | Near bottom nationally |
Arizona's K-12 education system is one of the most chronically underfunded in America. Per-pupil spending of $8,700 is among the lowest of any state, teacher salaries rank 47th nationally, and the high school graduation rate of 79% is significantly below the national average. The state has experienced repeated teacher strikes over pay and conditions. This chronic underinvestment has measurable effects on cognitive development outcomes — particularly in Phoenix's inner city and on the rural tribal lands where school quality is most severely constrained.
The good news is that Arizona's trajectory is improving. TSMC and Intel investment will bring tax revenue. ASU has been aggressive in expanding access and digital education. And the semiconductor industry's demands are creating pressure for improved STEM education in the K-12 system. Arizona's IQ average in 2035 will likely look meaningfully different from today.
Whatever state you are in, your individual cognitive profile is the only number that matters for your life. Our free IQ test gives you a calibrated domain-by-domain breakdown in 20 minutes.
Find out where you actually stand
State averages describe populations. A calibrated IQ test describes you. 30 questions, four domains, instant results.
Take the Free IQ Test →