Verses with the word populous in the Old Testament (2 verses):

Deuteronomy 26:5
And thou shalt speak and say before the LORD thy God, A Syrian ready to perish was my father, and he went down into Egypt, and sojourned there with a few, and became there a nation, great, mighty, and populous:

Nahum 3:8
Art thou better than populous No, that was situate among the rivers, that had the waters round about it, whose rampart was the sea, and her wall was from the sea?