town hall vs township

town hall

noun
  • The town council 

  • A building that houses the local government offices of a town. 

  • A widely accessible meeting, particularly where the audience is allowed to interact with the speakers. 

township

noun
  • The territory of a town. 

  • A nonwhite (usually subeconomic) area attached to a city. 

  • A small town. 

  • A subdivision of a county. 

  • An area set aside for nonwhite occupation. 

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