Average IQ in Idaho: 2026 Data, Rankings & Analysis
Quick answer — Idaho
Estimated average IQ in Idaho: ~101.7 (national rank #17 of 50). Population ~1.9M; capital Boise. Idaho's West economy mixes urban services and rural counties—county-level NAEP and graduation rates vary more than the statewide IQ estimate suggests.
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Idaho's estimated average IQ of 101.7 places it at rank #17 among US states in the West region. Figures reflect education investment and poverty — not individual potential.
Idaho data snapshot
Population (approx.)
1.9 million
Child poverty proxy
~12.8%
K-12 spend rank (proxy)
#17 of 50
Idaho Avg IQ
~101.7
US Average
~98
National Rank
#17
vs US Avg
+3.7 pts
Idaho vs neighboring and peer states
| State | Avg IQ | Rank | Region |
|---|---|---|---|
| Colorado | 101.8 | #16 | West |
| Maine | 101.6 | #18 | Northeast |
| Wyoming | 102.3 | #12 | West |
| Montana | 102.2 | #13 | West |
Important context
State IQ averages reflect policy and economics — not genetics. Idaho's West economy mixes urban services and rural counties—county-level NAEP and graduation rates vary more than the statewide IQ estimate suggests.
Idaho in the national rankings
| State | Avg IQ | Rank |
|---|---|---|
| Massachusetts | 104.3 | #1 |
| New Hampshire | 104.2 | #2 |
| Idaho | 101.7 | #17 |
| Louisiana | 95.3 | #49 |
| Mississippi | 94.2 | #50 |
Factors behind Idaho's score
Education investment
Idaho K-12 spending ranks near #17 nationally in our proxy model — strongly correlated with average IQ estimates.
Poverty & inequality
Child poverty proxy ~12.8% in Idaho affects nutrition, stress, and school readiness in early childhood.
West labor market
The West economy shapes migration of college graduates in and out of Boise metro areas versus rural counties.
Urban vs rural mix
Idaho's mix of metros and rural districts creates wider within-state IQ variance than a single statewide number suggests.
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Frequently asked questions — Idaho
What is the average IQ in Idaho?
The estimated average IQ in Idaho is approximately 101.7, placing it at rank #17 among US states. This is above the US average of ~98 and reflects systemic factors including education funding, poverty rates, and access to resources — not inherent differences in cognitive potential.
Why does Idaho rank where it does in average IQ?
Idaho's ranking reflects environmental factors: education spending per pupil (approximate rank #17), poverty (~12.8% child poverty proxy), and urban/rural opportunity. Idaho's West economy mixes urban services and rural counties—county-level NAEP and graduation rates vary more than the statewide IQ estimate suggests.
Is the IQ data for Idaho accurate?
State IQ estimates are based on multiple studies and correlate with educational achievement data. Capital Boise and a population of ~1.9M shape labor markets and school systems. Individual variation within Idaho remains enormous.
How does Idaho's IQ compare to the US average?
Idaho's estimated average IQ of 101.7 is approximately 3.7 points above the US average of 98.
Can I score above average even if I'm from Idaho?
Absolutely. State averages are population statistics — they say nothing about individual potential. Your IQ reflects your specific education, environment, and opportunities, not your state of residence.
How does Idaho compare to neighboring states on average IQ?
Idaho (≈101.7) ranks #17 nationally. Compare with Colorado and Maine in the full table on our Average IQ by State hub.
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