counted by their clans, were 3,200.
This was the total of those in the Merarite clans. Moses and Aaron counted them according to the LORD’s command through Moses.
References for Numbers 4:45
So Moses, Aaron and the leaders of Israel counted all the Levites by their clans and families.
References for Numbers 4:46
All the men from thirty to fifty years of age who came to do the work of serving and carrying the tent of meeting
References for Numbers 4:47
References for Numbers 4:48
At the LORD’s command through Moses, each was assigned his work and told what to carry. Thus they were counted, as the LORD commanded Moses.
References for Numbers 4:49