Government in Holy Cross, IA Dubuque County Library938 Church StHoly Cross, IA, 520535638702082AscsGovernment OfficesLibrariesLibraryPublic LibraryUnemployment OfficeHoly Cross City Hall938 Church StHoly Cross, IA, 520535638702475City HallCity OfCrossingGovernment CityShow MoreSee AlsoGovernment Offices