I think you would be surprised. Jury selection filters for people who vote, have long-term residence in a single location, have jobs that at least modestly all

I think you would be surprised. Jury selection filters for people who vote, have long-term residence in a single location, have jobs that at least modestly allow jury service, and who actually show up to jury duty. To make a sweeping generalization, those things all correlate with intelligence. Anecdotally, the people I've met at jury selection in downtown Oakland, CA are not a representative sample of who you see outside the building.