1. Each division shall constitute an election precinct for the purposes of this chapter.
2. After the organization of the district the directors may divide a division into two or more precincts and fix the polling places therein.
3. By affirmative vote of all of their number or of all of their number save one, the directors may reduce the number of election precincts to one or more within the district, establish the boundaries thereof, and fix the polling place or places therein.