Shambaugh is a city in Page County, Iowa, United States. The population was 159 at the time of the 2020 census.

Page County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 15,211. The county seat is Clarinda. The county is named in honor of Captain John Page of the 4th U.S. Infantry, who was mortally wounded in the Battle of Palo Alto.