Bremen (/ˈbrɛmən/ BREM-ən[5]) is a village in Fairfield County, Ohio, United States.

[8] According to the United States Census Bureau, the village has a total area of 0.86 square miles (2.23 km2), all land.

[9] As of the census[11] of 2010, there were 1,425 people, 506 households, and 394 families living in the village.

There were 546 housing units at an average density of 634.9 per square mile (245.1/km2).

18.4% of all households were made up of individuals, and 7.3% had someone living alone who was 65 years of age or older.

There were 506 housing units at an average density of 606.1 per square mile (234.0/km2).

23.2% of all households were made up of individuals, and 13.5% had someone living alone who was 65 years of age or older.