Average IQ in South Dakota
Average IQ
101.4
US Ranking
#15
of 50 states
Region
Midwest
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 South Dakota's IQ Ranking
South Dakota ranks above average with strong rural school systems, low crime, and high community involvement in education. Sioux Falls has emerged as a growing regional economic center. The state's small population allows for close-knit educational communities. However, Native American reservations face severe educational challenges, creating one of the state's most significant equity gaps.
For global context, see how the US compares in our United States IQ page and the full country rankings.
South Dakota vs Other Midwest States
| State | Average IQ | US Rank |
|---|---|---|
| South Dakota | 101.4 | #15 |
| Minnesota | 103.7 | #5 |
| Iowa | 103.2 | #8 |
| Wisconsin | 102.9 | #10 |
| North Dakota | 102.7 | #10 |
| Nebraska | 101.4 | #15 |
| Kansas | 101.7 | #16 |
| Illinois | 100.1 | #22 |
| Ohio | 99.8 | #24 |
| Michigan | 99.4 | #25 |
| Missouri | 99.5 | #26 |
| Indiana | 99.3 | #27 |
Frequently Asked Questions
What is the average IQ in South Dakota?
South Dakota's estimated average IQ is 101.4, ranking #15. Strong rural schools and community involvement produce above-average outcomes, though reservation communities face significant challenges.
Why does South Dakota rank high for a rural state?
South Dakota benefits from close-knit communities invested in education, low poverty rates outside reservations, small class sizes, and growing economic opportunity in Sioux Falls. The state's culture values practical education.
How does South Dakota address reservation education?
Education on South Dakota's reservations remains a significant challenge, with poverty, limited resources, and historical trauma affecting outcomes. The gap between reservation and non-reservation schools is one of the state's most pressing educational equity issues.
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