Merriam-Webster: "the scientific study of elections." "Psephology is from the Greek word psēphos, meaning 'pebble.'"
Necro-psephology is a growing field of inquiry in the Chicago area. For in those precincts there is a sizable turnout at elections of the dearly departed.
If you have a large vocabulary you will love my blog; if you don't, you need it.