Kimmswick is a city in Jefferson County, Missouri, United States. The estimated population in 2007 was 102. It was 94 at the 2000 census.
Kimmswick is a fourth class city located at 38°22′0″N 90°21′50″W / 38.366667°N 90.36389°W / 38.366667; -90.36389. It is next to the Mississippi River.
According to the United States Census Bureau, the city has a total area of 0.1 square miles (0.2 km²), all of it land.