Average IQ in Pennsylvania: Estimates & Context
Estimated Avg IQ
~101
US Ranking
#20
of 50 states
Region
Northeast
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 Pennsylvania's IQ Ranking
Pennsylvania's IQ ranking reflects its split personality — the highly educated Philadelphia and Pittsburgh metro areas anchored by UPenn, Carnegie Mellon, and numerous other universities, versus the rural and former industrial communities in between. The state has undergone a significant economic transition from manufacturing to healthcare, education, and technology, with educational outcomes tracking these economic changes.
What Shapes Pennsylvania's Cognitive Profile
A Commonwealth Court judge ruled in 2023 that Pennsylvania's school funding system violates the state constitution, capping decades of litigation over disparities that left districts like Reading and Erie spending thousands less per student than nearby suburbs. Pittsburgh's reinvention is the state's most studied economic story: Carnegie Mellon's computer science and robotics programs seeded autonomous vehicle labs for Uber, Aurora, and others, and the university's machine learning department ranks among the world's best. Philadelphia counters with the University of Pennsylvania, a dense teaching hospital cluster, and a growing cell and gene therapy industry spun out of academic labs. Penn State distributes higher education access through roughly two dozen branch campuses across rural counties, though several now face consolidation as enrollment shrinks. The Marcellus Shale gas boom brought technical jobs to the northern tier without transforming local schooling. Demographically the state skews old, and estimated cognitive averages across the central T region trail both metro anchors by a consistent margin.
For global context, see how the US compares in our United States IQ page and the full country rankings.
Pennsylvania vs Other Northeast States
| State | Average IQ | US Rank |
|---|---|---|
| Pennsylvania | ~101 | #20 |
| Massachusetts | ~104 | #1 |
| New Hampshire | ~104 | #2 |
| Vermont | ~104 | #3 |
| Connecticut | ~103 | #4 |
| Maine | ~103 | #6 |
| New Jersey | ~103 | #8 |
| Rhode Island | ~101 | #17 |
| New York | ~101 | #18 |
| Delaware | ~100 | #24 |
Frequently Asked Questions
What is the average IQ in Pennsylvania?
Pennsylvania's estimated average IQ is 100.5, ranking #20 nationally. Philadelphia and Pittsburgh drive the average up, while rural and post-industrial communities moderate it.
How do Pittsburgh and Philadelphia compare?
Both cities have transformed into knowledge economies with strong university systems. Pittsburgh's tech renaissance (Carnegie Mellon, robotics, AI) and Philadelphia's medical/pharma corridor both attract highly educated workers.
How does Pennsylvania compare to New York?
Pennsylvania (100.5) is close to New York (100.7). Both states have major cities with educated populations balanced by rural areas with lower educational outcomes.
Explore Other States
Take our free IQ test to see how you compare, or learn what IQ actually measures.
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.