The Levite tribe (including priests) is not included in the military census because it is responsible for taking care of the Lord’s sanctuary (Num. 1:47–53; 2:33). Nonpriestly Levites are to serve as assistants to the priests. In addition to the regular care and guarding of the sanctuary and its contents, the Levites are responsible for packing up, transporting, and reassembling the tabernacle when the Israelites journey from one place to another.
The Levites belonging to the three subdivisions of their tribe are counted in two censuses. The first reports 22,000 Levite males at least a …
Baker Publishing Group, The Baker Illustrated Bible Commentary, by Gary M. Burge