Much of what the local population refers to as Deweyville is actually land outside the town boundaries, located in unincorporated Box Elder County.

This includes the Cedar Ridge Subdivision, a 26-house development located 1.6 miles north of incorporated Deweyville.

The Deweyville portion of the western slopes of the Wasatch is home to several notable geologic and natural destinations, including Gribble Arch, Lizzy's Landing, The Easter Caves, and The Cedar Trees.

Chocolate Peak in northern Deweyville was the location of numerous winter Hillclimb attempts in the late 20th and early 21st centuries.

On March 14, 1864, the John C. Dewey family, Mormon pioneer immigrants from England, left Calls Fort, Utah, and settled at Empey Springs, an area originally settled by William Empey.

Saloons, a brewery, two boarding houses, a barber shop, and lumber, hardware, and merchandise businesses were opened.

[5] On March 7, 1939, Deweyville was granted a municipal charter by the Box Elder County.