Numbers 3:22

The {ones counted} according to the number of every male from {one month} and above [were] seven thousand five hundred.

Numbers 4:38-40

And the descendants of Gershon counted according to their clans and according to {their families},

Treasury of Scripture Knowledge

Summary

Those that were numbered of them, according to the number of all the males, from a month old and upward, even those that were numbered of them were seven thousand and five hundred.

From a month old

General references

Bible References

From a month old

Numbers 4:38
And the descendants of Gershon counted according to their clans and according to {their families},

General references

Numbers 3:15
"Muster the descendants of Levi according to {their families}, according to their clans. You will count every male from {one month} and above."
Joshua 21:6
The descendants of Gershon [received] by lot thirteen cities from the families of the tribes of Issachar, Asher, and Naphtali and from the half-tribe of Manasseh in Bashan.