Iberia is a census-designated place in western Washington Township, Morrow County, Ohio, United States. The community is served by the Northmor Local School District which formerly operated Iberia Elementary School in the community. Iberia is near to Galion, and Martel. The ZIP code assigned to Iberia by the United States Postal Service is 43325. The population of Iberia was 431 at the 2020 census. Iberia is northwest of Mount Gilead, the county seat.