[4] The name of Bath is probably derived from local mineral springs said to hold medicinal qualities.

The ancestry makeup of the township was; 37.8% German, 36.7% Irish, and 5.3% Scottish.

[3] The median income of the township was $78,750 for families, and 17.3% were under the poverty line.

School enrollment in kindergarten to 12th grade was 34.4%, and 65.6% had a college undergraduate degree.

The employment rate was 64.4%[3] Residents are in the Union County–College Corner Joint School District.