About This Place
Renwick is a city in Humboldt County, Iowa, in the United States. As of the 2000 census, the city population was 306.
Renwick is located at 42°49′42″N 93°58′42″W / 42.82833°N 93.97833°W / 42.82833; -93.97833 (42.828341, -93.978284).
According to the United States Census Bureau, the city has a total area of 1.0 square miles (2.6 km²), all of it land.