Chain of Rocks is a village in Lincoln County, Missouri, United States.
[4] A post office called Chain of Rocks was established in 1869, and remained in operation until 1907.
According to the United States Census Bureau, the village has a total area of 0.17 square miles (0.44 km2), all land.
15.6% of all households were made up of individuals, and 6.3% had someone living alone who was 65 years of age or older.
29.4% of all households were made up of individuals, and 8.8% had someone living alone who was 65 years of age or older.
There were 7.1% of families and 13.6% of the population living below the poverty line, including 28.6% of under eighteens and 44.4% of those over 64.