Iowa Ave., Onawa, Iowa. County/parish: Monona.
Added to the National Register of Historic Places July 02, 1981. NRIS 81000257.
1 contributing building.
The Monona County Courthouse, located in Onawa, Iowa, United States, was built in 1892. It was listed on the National Register of Historic Places in 1981 as a part of the County Courthouses in Iowa Thematic Resource. The courthouse is the third building the county has used for court functions and county administration.
(read more...)National Park Service documentation: https://catalog.archives.gov/id/75337157