Cambria is an unincorporated community in Washington Township, Wayne County, Iowa, United States. It has never been incorporated, but it has existed since 1849. Although Cambria had the first post office in the county, its post office has since been closed, and its residents now have rural Corydon addresses. Cambria had as many as 300 residents at its peak. Kirby Park is one of the focal points in the community. Its area is part of the Wayne Community school district.