Dunkirk is a village in Hardin County, Ohio, United States, with 774 people at the 2020 census.

[8] As of the census[10] of 2010, there were 875 people, 332 households, and 234 families living in Dunkirk.

25.3% of all households were made up of individuals, and 10.5% had someone living alone who was 65 years of age or older.

As of the census[4] of 2000, there were 952 people, 361 households, and 276 families living in Dunkirk.

The racial makeup was 98.63% White, 0.11% Native American, 0.21% Asian, and 1.05% from two or more races.

21.1% of all households were made up of individuals, and 11.1% had someone living alone who was 65 years of age or older.