Hamler is a village in Henry County, Ohio, United States.

[8] As of the census[10] of 2010, there were 576 people, 230 households, and 158 families living in the village.

There were 258 housing units at an average density of 322.5 per square mile (124.5/km2).

28.7% of all households were made up of individuals, and 15.6% had someone living alone who was 65 years of age or older.

As of the census[4] of 2000, there were 650 people, 236 households, and 173 families living in the village.

There were 254 housing units at an average density of 444.4 per square mile (171.6/km2).

23.7% of all households were made up of individuals, and 12.3% had someone living alone who was 65 years of age or older.