Gambier is a village in Knox County, Ohio, United States. The population was 2,213 at the 2020 census. Gambier is the home of Kenyon College. A major feature is a gravel path running the length of the village, referred to as "Middle Path". This path has become a piece of Gambier's history, as it is used by college students and residents alike as a way through the …Gambier is a village in Knox County, Ohio, United States. The population was 2,213 at the 2020 census. Gambier is the home of Kenyon College. A major feature is a gravel path running the length of the village, referred to as "Middle Path". This path has become a piece of Gambier's history, as it is used by college students and residents alike as a way through the community.