1 Chronicles 23:3
The Levites, thirty years old and upward, were numbered, and the total was 38,000 men.
1 Chronicles 23:24
These were the sons of Levi by their fathers' houses, the heads of fathers' houses as they were listed according to the number of the names of the individuals from twenty years old and upward who were to do the work for the service of the house of the LORD.
Numbers 4:2-49
"Take a census of the sons of Kohath from among the sons of Levi, by their clans and their fathers' houses,
Treasury of Scripture Knowledge
Summary
Now the Levites were numbered from the age of thirty years and upward: and their number by their polls, man by man, was thirty and eight thousand.
The levites
Thirty and eight
General references
Bible References
The levites
Numbers 4:2
"Take a census of the sons of Kohath from among the sons of Levi, by their clans and their fathers' houses,
Thirty and eight
Numbers 4:48
those listed were 8,580.
General references
Numbers 4:35
from thirty years old up to fifty years old, everyone who could come on duty, for service in the tent of meeting;