[4] Crook is a part of the Sterling, CO Micropolitan Statistical Area.

[7] Crook has frequently been noted on lists of unusual place names.

[9] At the 2020 United States Census, the town had a total area of 86 acres (0.349 km2), all of it land.

33.3% of all households were made up of individuals, and 17.5% had someone living alone who was 65 years of age or older.

There were no families and 3.7% of the population living below the poverty line, including no under eighteens and 10.3% of those over 64.