Cave is a city in Lincoln County, Missouri, United States.

[4] However, As of the 2020 census, the population is 0, making it the smallest incorporated community in the U.S state of Missouri.

Cave was incorporated in the 1980s, and was first included in the 1990 census, when the population was ten.

There were 6 housing units at an average density of 6.3 per square mile (2.4/km2).

There were 5 housing units at an average density of 5.1 per square mile (2.0/km2).

In the town the population was spread out, with two persons under the age of 18 (a male and a female), two from 25 to 44, and three from 45 to 64.