Gerster is a town located in Benton County, Missouri. Gerster has a 2026 population of 19. Gerster is currently declining at a rate of 0% annually and its population has increased by 5.56% since the most recent census, which recorded a population of 18 in 2020.
The median age in Gerster is 70.3 years: 0 years for males, and 0 years for females. For every 100 females there are 75.0 males.