# National Register of Historic Places listings in Iowa County, Iowa

This is a list of the National Register of Historic Places listings in Iowa County, Iowa.
This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Iowa County, Iowa, United States. Latitude and longitude coordinates are provided for many National Register properties and districts; these locations may be seen together in a map.
There are 11 properties and districts listed on the National Register in the county, including 1 National Historic Landmark.
This National Park Service list is complete through NPS recent listings posted February 28, 2025.
Download coordinates as:
* KML
* GPX (all coordinates)
* GPX (primary coordinates)
* GPX (secondary coordinates)

## Current listings

| | Name on the Register | Image | Date listed | Location | City or town | Description |
| 1 | Amana Villages | Amana Villages More images | October 15, 1966 (#66000336) | Northeastern Iowa County 41°47′59″N 91°55′15″W﻿ / ﻿41.799722°N 91.920833°W﻿ / 41.799722; -91.920833﻿ (Amana Villages) | Middle Amana | |
| 2 | E.J. Baird House | Upload image | February 25, 1982 (#82002622) | Jackson and Fremont Sts. 41°34′21″N 92°09′31″W﻿ / ﻿41.5725°N 92.158611°W﻿ / 41.5725; -92.158611﻿ (E.J. Baird House) | Millersburg | |
| 3 | David and M. Maria Hughes House | David and M. Maria Hughes House | June 28, 1996 (#96000697) | 101 W. Penn St. 41°39′34″N 92°00′27″W﻿ / ﻿41.659444°N 92.0075°W﻿ / 41.659444; -92.0075﻿ (David and M. Maria Hughes House) | Williamsburg | |
| 4 | Indian Fish Weir | Upload image | July 21, 1988 (#88001122) | Address Restricted | Middle Amana | The Amana Indian fish weir is believed to have been covered over by river silt, and is no longer visible. |
| 5 | Iowa County Courthouse | Iowa County Courthouse | July 2, 1981 (#81000247) | Court Ave. 41°47′53″N 92°04′14″W﻿ / ﻿41.798056°N 92.070556°W﻿ / 41.798056; -92.070556﻿ (Iowa County Courthouse) | Marengo | |
| 6 | Ladora Savings Bank | Ladora Savings Bank More images | August 3, 1990 (#90001196) | 811 Pacific St. 41°45′17″N 92°11′01″W﻿ / ﻿41.754722°N 92.183611°W﻿ / 41.754722; -92.183611﻿ (Ladora Savings Bank) | Ladora | |
| 7 | Lenox Township Church of the New Jerusalem | Lenox Township Church of the New Jerusalem | September 29, 1983 (#83000370) | South of Norway 41°50′50″N 91°55′41″W﻿ / ﻿41.847222°N 91.928056°W﻿ / 41.847222; -91.928056﻿ (Lenox Township Church of the New Jerusalem) | Lenox Township | |
| 8 | Pilot Grove | Pilot Grove More images | November 17, 1977 (#77000519) | Southwest of Williamsburg 41°37′49″N 92°05′03″W﻿ / ﻿41.630278°N 92.084167°W﻿ / 41.630278; -92.084167﻿ (Pilot Grove) | Williamsburg | |
| 9 | Plagmann Round Barn | Plagmann Round Barn | June 30, 1986 (#86001440) | Off Iowa Highway 209 41°43′30″N 92°03′11″W﻿ / ﻿41.725°N 92.053056°W﻿ / 41.725; -92.053056﻿ (Plagmann Round Barn) | Conroy | |
| 10 | St. Michael's Church, Cemetery, Rectory and Ancient Order of Hibernians Hall | St. Michael's Church, Cemetery, Rectory and Ancient Order of Hibernians Hall | January 20, 1983 (#83000371) | East of Parnell on F 52 41°35′24″N 91°54′48″W﻿ / ﻿41.59°N 91.913333°W﻿ / 41.59; -91.913333﻿ (St. Michael's Church, Cemetery, Rectory and Ancient Order of Hibernians Hall) | Parnell | |
| 11 | Fred G. Turner House | Fred G. Turner House | June 27, 1985 (#85001381) | Iowa Highway 149 41°33′25″N 92°03′56″W﻿ / ﻿41.556944°N 92.065556°W﻿ / 41.556944; -92.065556﻿ (Fred G. Turner House) | North English | |