[3] Grover is a part of the Greeley, CO Metropolitan Statistical Area and the Front Range Urban Corridor.

[6] At the 2020 United States Census, the town had a total area of 381 acres (1.542 km2), all of it land.

There were 85 housing units at an average density of 169.3 per square mile (65.4/km2).

52.6% of all households were made up of individuals, and 26.9% had someone living alone who was 65 years of age or older.

About 36.0% of families and 45.2% of the population were below the poverty line, including 71.4% of those under the age of eighteen and 20.0% of those 65 or over.