Jesus as a young child
When the wise men found Jesus, he was in a house as a toddler 8 -18 months old.
The house most likely was in Nazareth of Galilee or may have been in Bethlehem or near by.
Background Reading:
Matthew 2:11-12
The Visit of the Magi to Jesus
11 On coming to the house, they saw the child with his mother Mary, and they bowed down and worshiped him. Then they opened their treasures and presented him with gifts of gold and of incense and of myrrh. 12 And having been warned in a dream not to go back to Herod, they returned to their country by another route.
And
Luke 2:39
39 When Joseph and Mary had done everything required by the Law of the Lord, they returned to Galilee to their own town of Nazareth.
More Information:
Child
The Magi found a paidion (Greek) a child older than a new born baby but still under 2 years old.