1 Chronicles 23:3
And the Levites will be numbered from the son of thirty years and above: and their number, for their craniums, for the men, thirty and eight thousand.
1 Chronicles 23:24
These the sons of Levi for the house of their fathers: the heads of the fathers for their reviewing by the number of names to their craniums doing the work for the service of the house of Jehovah, from the son of twenty years and above.
Numbers 4:2-49
Take the head of the sons of Kohath from the midst of the sons of Levi, according to their families, according to the house of their fathers:
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 the head of the sons of Kohath from the midst of the sons of Levi, according to their families, according to the house of their fathers:
Thirty and eight
Numbers 4:48
And they being reviewed shall be eight thousand and five hundred and eighty.
General references
Numbers 4:35
From the son of thirty years and above, even to the son of fifty years, all going forth to war, to the service in the tent of appointment