30 From the descendants of Zebulun: All the men twenty years old or more who were able to serve in the army were listed by name, according to the records of their clans and families.

Read Numbers 1:30 Using Other Translations

Of the children of Zebulun, by their generations, after their families, by the house of their fathers, according to the number of the names, from twenty years old and upward, all that were able to go forth to war;
Of the people of Zebulun, their generations, by their clans, by their fathers' houses, according to the number of names, from twenty years old and upward, every man able to go to war:
Zebulun 57,400