Elwood is a town in Box Elder County, Utah, United States.
[5] Elwood is located in eastern Box Elder County in the Bear River Valley.
[5] As of the census[3] of 2000, there were 678 people, 194 households, and 170 families residing in the town.
There were 198 housing units at an average density of 25.8 per square mile (10.0/km2).
11.9% of all households were made up of individuals, and 6.7% had someone living alone who was 65 years of age or older.