Berkey is a village in Lucas County, Ohio, United States.
[5] A post office called Riga was established in 1837, and the name was changed to Berkey in 1870.
[6] According to the United States Census Bureau, the village has a total area of 4.18 square miles (10.83 km2), all land.
There were 112 housing units at an average density of 26.8 per square mile (10.3/km2).
There were 100 housing units at an average density of 23.9 per square mile (9.2/km2).
The racial makeup of the village was 98.11% White, 0.75% Native American, 0.38% Asian, and 0.75% from two or more races.