Micah Joel Caldwell was born on March 25, 2004, to Paul Caldwell and Christina Caldwell. He was the couple's third child, and they went on to have six more children after him.
As a young child, Micah lived in Woodbridge, Virginia, where his father was a pastor at Heritage Baptist Church. In 2008, his father was sent by Baptist International Missions, Inc. to plant a church in Fayetteville, Arkansas. Micah has lived there with his family since then.
Micah is being homeschooled alongside his siblings.