| Property | Address | City | Date Listed |
|---|---|---|---|
| Amana Villages | NE Iowa County Middle | Amana | 10/15/1966 |
| Iowa Baird E. J. House | Jackson and Fremont Sts. | Millersburg | 02/25/1982 |
| Hughes David and M. Maria House | 101 W. Penn Street | Williamsburg | 06/28/1996 |
| Indian Fish Weir | Address Restricted | Middle Amana | 07/21/1988 |
| Iowa County Courthouse | Court Ave. | Marengo | 07/02/1981 |
| Ladora Savings Bank | 811 Pacific Street | Ladora | 08/03/1990 |
| Lenox Township Church of the New Jersalem | S of Norway | Norway | 09/29/1983 |
| Pilot Grove | SW of Williamsburg | Williamsburg | 11/17/1977 |
| Plagmann Round Barn | Off IA 209 | Conroy | 06/30/1986 |
| St. Michael's Church Cemetery Rectory and Ancient Order of Hibernians Hall | E of Parnell on F 52 | Parnell | 01/20/1983 |
| Turner Fred G. House | IA 149 | North English | 06/27/1985 |