Clarksville, MO


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Clarksville is a city (which is about the size of a village) in Pike County, Missouri, United States. The population was 490 at the 2000 census.
The city was named for Governor William Clark.
According to the United States Census Bureau, the city has a total area of 0.8 square miles (2.1 km²), of which, 0.5 square miles (1.2 km²) of it is land and 0.4 square miles (0.9 km²) of it (43.90%) is water.