What Is the Legal Age of Consent in Indiana The the legal age of consent in the state of Indiana is 16. This means that individual that is at least the age of sixteen is considered to be lawfully able to provide agreement for sexual activities. It's crucial to note that consent laws differs in different states, therefore it is important to be knowledgeable of the particular age requirements of every jurisdiction. However, in Indiana, it is evident that the age of sixteen is definitely the limit by which agreement can be provided legally.