Exodus 30:12

12 a“When you take the census of the people of Israel, then each shall give ba ransom for his life to the Lord when you number them, that there be no plague among them when you number them.

Numbers 1:2

2 cTake a census of all the congregation of the people of Israel, by clans, dby fathershouses, according to the number of names, every male, head by head.
Copyright information for ESV