Rock Rapids, IA
Rock Rapids is a city in Lyon County in the northwestern part of the U.S. state of Iowa, an area known for its strong Dutch heritage and conservative politics. It is the county seat of Lyon County and home to Central Lyon Schools. The population was 2,549 in the 2010 census, a decline from 2,573 in the 2000 census.
Rock Rapids is located at 43°25′41″N 96°10′7″W / 43.42806°N 96.16861°W / 43.42806; -96.16861 (43.427933, -96.168640), along the Rock River.
According to the United States Census Bureau, the city has a total area of 4.0 square miles (10.3 km²), all of it land.