The community is located north of Mizpah and west of Gemmell, along Koochiching County Road 17 (CR 17).

The center of Forest Grove is generally considered at the intersection of County Roads 17, 58, and 150.

Forest Grove is located within ZIP code 56660, based in Mizpah.

Nearby places include Mizpah, Northome, Gemmell, and Kelliher.

Forest Grove is located four miles north of Mizpah.