Arlington is a village in Hancock County, Ohio, United States.

[7] According to the United States Census Bureau, the village has a total area of 0.80 square miles (2.07 km2), all land.

There were 602 housing units at an average density of 752.5 per square mile (290.5/km2).

28.6% of all households were made up of individuals, and 16% had someone living alone who was 65 years of age or older.

There were 539 housing units at an average density of 738.8 per square mile (285.3/km2).

The racial makeup of the village was 99.48% White, 0.15% African American, and 0.37% from two or more races.

27.7% of all households were made up of individuals, and 18.1% had someone living alone who was 65 years of age or older.