  hayes township is a civil township of otsego county in the u.s. state of michigan. the population was 2,385 at the 2000 census. ==geography== according to the united states census bureau, the township has a total area of , of which,  of it is land and  of it (2.31%) is water. ==demographics== as of the census of 2000, there were 2,385 people, 846 households, and 693 families residing in the township. the population density was 34.7 per square mile (13.4/kmÂ²). there were 1,303 housing units at an average density of 18.9 per square mile (7.3/kmÂ²). the racial makeup of the township was 97.53% white, 0.25% african american, 0.84% [[native ame
Townships_in_Michigan Townships_in_Otsego_County,_Michigan