Average IQ in Washington: 2026 Data, Rankings & Analysis
Quick answer — Washington
Estimated average IQ in Washington: ~102 (national rank #15 of 50). Population ~7.8M; capital Olympia. Washington'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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Washington's estimated average IQ of 102 places it at rank #15 among US states in the West region. Figures reflect education investment and poverty — not individual potential.
Washington data snapshot
Population (approx.)
7.8 million
Child poverty proxy
~12.4%
K-12 spend rank (proxy)
#15 of 50
Washington Avg IQ
~102
US Average
~98
National Rank
#15
vs US Avg
+4.0 pts
Washington vs neighboring and peer states
Important context
State IQ averages reflect policy and economics — not genetics. Washington's West economy mixes urban services and rural counties—county-level NAEP and graduation rates vary more than the statewide IQ estimate suggests.
Washington in the national rankings
| State | Avg IQ | Rank |
|---|---|---|
| Massachusetts | 104.3 | #1 |
| New Hampshire | 104.2 | #2 |
| Washington | 102 | #15 |
| Louisiana | 95.3 | #49 |
| Mississippi | 94.2 | #50 |
Factors behind Washington's score
Education investment
Washington K-12 spending ranks near #15 nationally in our proxy model — strongly correlated with average IQ estimates.
Poverty & inequality
Child poverty proxy ~12.4% in Washington affects nutrition, stress, and school readiness in early childhood.
West labor market
The West economy shapes migration of college graduates in and out of Olympia metro areas versus rural counties.
Urban vs rural mix
Washington'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 — Washington
What is the average IQ in Washington?
The estimated average IQ in Washington is approximately 102, placing it at rank #15 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 Washington rank where it does in average IQ?
Washington's ranking reflects environmental factors: education spending per pupil (approximate rank #15), poverty (~12.4% child poverty proxy), and urban/rural opportunity. Washington'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 Washington accurate?
State IQ estimates are based on multiple studies and correlate with educational achievement data. Capital Olympia and a population of ~7.8M shape labor markets and school systems. Individual variation within Washington remains enormous.
How does Washington's IQ compare to the US average?
Washington's estimated average IQ of 102 is approximately 4.0 points above the US average of 98.
Can I score above average even if I'm from Washington?
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 Washington compare to neighboring states on average IQ?
Washington (≈102.0) ranks #15 nationally. Compare with Oregon and Colorado in the full table on our Average IQ by State hub.
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