Otranto is an unincorporated community and census-designated place in Otranto Township, Mitchell County, in the U.S. state of Iowa. As of the 2020 census the population was 27, unchanged from 2010.

Geography

The community is in northwestern Mitchell County, 7 miles (11 km) northwest of St. Ansgar, the post office serving Otranto, and 18 miles (29 km) northwest of Osage, the county seat. The Minnesota border is 3 miles (5 km) to the north.

Otranto is located along the Cedar River, approximately 4 miles (6 km) southwest of Mona.

Demographics

Historical population

Census	Pop.	Note	%±
2010	27		—
2020	27		0.0%
U.S. Decennial Census