How long do you need to have lived in the US to become a member of congress?

To become a member of the U.S. House of Representatives, a candidate must have been a U.S. citizen for at least seven years. For the U.S. Senate, the requirement is nine years of U.S. citizenship. Additionally, candidates must be at least 25 years old for the House and 30 years old for the Senate, and they must reside in the state they wish to represent.