sentences:  Hinwil has a population of (as of ); its capital is the town of Hinwil, located at the centre of the district.It was formed in 1831, when the administrative seat was moved to Hinwil from Grüningen.The district was known as "Oberamt Grüningen" from 1815–1831, which continued the historical bailiwick of Grüningen (1408–1798).