electorate vs residents

electorate

noun
  • A geographical area represented by one or more elected officials; a constituency, an electoral district. 

  • The collective people of a country, state, or electoral district who are entitled to vote. 

  • The office, or area of dominion, of an Elector (“a German prince entitled to elect the emperor of the Holy Roman Empire”); an electorship. 

residents

How often have the words electorate and residents occurred in a corpus of books? (source: Google Ngram Viewer )