Ezra 2:9 lists the number of people from the tribe of Judah who returned from exile in Babylon to Jerusalem. This detailed account reflects God's faithfulness in fulfilling His promise to restore His people to their land after the Babylonian captivity. It also underscores the importance of keeping records and acknowledging each individual's contribution to the community, highlighting the significance of unity and community in God's plan for His people. The return of the exiles marked a new beginning for the Israelites, demonstrating God's mercy and restoration in the midst of their past disobedience.