21.3% live in Pennsylvania
      12.4% live in New York
      8.5% live in Illinois
        
      If you don't like people
      called kapp
      you should probably move to
      Maine (None live there).
         
      Cool fact: North Dakota
      is the state with the most
      last name kapp per capita.
      
      Check out the popularity
      of the last name kapp
      for each state in the map below.