Average IQ in Delaware
Average IQ
99.8
US Ranking
#24
of 50 states
Region
Northeast
Note: State-level IQ estimates are derived from standardized test scores (NAEP, SAT, ACT) and demographic data. They reflect population-level trends influenced by education funding, socioeconomic factors, and demographics — not the intelligence of any individual resident.
About Delaware's IQ Ranking
Delaware sits near the national average as a small state with diverse demographics. Wilmington's financial and pharmaceutical sectors (DuPont, AstraZeneca) attract educated professionals, while southern Delaware remains more rural and agricultural. The state's small size means educational policy can be implemented more uniformly than in larger states.
For global context, see how the US compares in our United States IQ page and the full country rankings.
Delaware vs Other Northeast States
| State | Average IQ | US Rank |
|---|---|---|
| Delaware | 99.8 | #24 |
| Massachusetts | 104.3 | #1 |
| New Hampshire | 104.2 | #2 |
| Vermont | 103.8 | #3 |
| Connecticut | 103.1 | #4 |
| Maine | 103.4 | #6 |
| New Jersey | 102.8 | #8 |
| Rhode Island | 101 | #17 |
| New York | 100.7 | #18 |
| Pennsylvania | 100.5 | #20 |
Frequently Asked Questions
What is the average IQ in Delaware?
Delaware's estimated average IQ is 99.8, ranking #24 — near average. Wilmington's financial corridor lifts the average, while southern Delaware is more modest.
How does Delaware's small size affect education?
Being one of the smallest states allows Delaware to implement education reforms more uniformly and quickly. However, the state also has less higher education infrastructure than larger neighbors.
How does Delaware compare to nearby states?
Delaware (99.8) ranks below neighboring New Jersey (102.8) and Pennsylvania (100.5) but above Maryland (102.3) on some measures. Its small size creates more variance in estimates.
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