In 2022, the population of Grover was 156, a 0.00% decrease year-by-year from 2021. Previously, in 2021, Grover's population was 156, a decline of 0.64% compared to a population of 157 in 2020.
The median age in Grover, CO is 60.3, as per 2021 ACS 5-Year Estimates. Of the total population, 12.90% were under the age of 15, 17.20% aged 15 to 29, 33.33% aged 30 to 64, 25.81% aged 65 to 84, and 10.75% were 85 years of age and older.