And some divisions of the Levites of Judah settled in Benjamin.
Having given an account of the principal persons that dwelt in Jerusalem (a larger account of whom he had before, Ch1 9:2, etc.), Nehemiah, in these verses, gives us some account of the other cities, in which dwelt the residue of Israel, Neh 11:20. It was requisite that Jerusalem should be replenished, yet not so as to drain the country.
Commenting on Nehemiah 11:20-36
THEIR NAMES. (Neh. 11:3-36) the chief of the province--that is, Judea. Nehemiah speaks of it, as it then was, a small appendix of the Persian empire. in the cities of Judah dwelt every one in his possession in their cities--The returned exiles, who had come from Babylon, repaired generally, and by a natural impulse, to the lands and cities throughout the country which had been anciently assigned them.
Commenting on Nehemiah 11:3-36
And of the Levites were divisions in Judah, and in Benjamin--Rather, there were divisions for the Levites; that is, those who were not resident in Jerusalem were distributed in settlements throughout the provinces of Judah and Benjamin. Next: Nehemiah Chapter 12