How old was David when Samuel anointed him King of Israel?

Answer 1

Many believe he was 17, but the exact number isn't in The Bible. It was 12 years before he became king after he was anointed. He was young enough to be described as a boy, but old enough to marry Saul's daughter as a reward for killing Goliath.

Answer 2

David was 29 when Samuel anointed him. David became king when he was 30.

Answer 3

David was 30 years old when he became king of Isreal. He reign for 40 years and died at the age of 70.