 chatsworth is a city in sioux county, iowa, united states. the population was 79 at the 2010 census. ==geography== chatsworth is located at  (42.915926, -96.516083). according to the united states census bureau, the city has a total area of , all of it land.{{cite web|title=us gazetteer files 2010|url=http://www.census.gov/geo/www/gazetteer/files/gaz_places_national.txt|publisher=[[un
1900_establishments_in_Iowa Cities_in_Iowa Cities_in_Sioux_County,_Iowa Populated_places_established_in_1900