Under Illinois law, the age of consent for any type of sexual activity is, typically, 17 years. This means anyone younger than 17 years of age cannot lawfully consent to any type of sex act involving sexual conduct.

Can a 17 year old get pregnant by a 21 year old?

Criminal Defense » Can a 21 year old date a 17 year old in California? » Can a 21 year old date a 17 year old in California? Yes, so long as the relationship is not sexual.