Custar is a village in Wood County, Ohio, United States.

[7] In late 2019, three grain silos in Custar suffered from a fire and explosion.

[8] According to the United States Census Bureau, the village has a total area of 0.25 square miles (0.65 km2), all land.

30.1% of all households were made up of individuals, and 9.6% had someone living alone who was 65 years of age or older.

The racial makeup of the village was 98.08% White, 0.48% Native American, 1.44% from other races.

About 8.3% of families and 12.9% of the population were below the poverty line, including 23.1% of those under the age of eighteen and 16.7% of those 65 or over.