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

This is a list of the National Register of Historic Places listings in Calhoun County, Iowa.
This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Calhoun 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 13 properties listed on the National Register in the county.
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)
| | Name on the Register | Image | Date listed | Location | City or town | Description |
| 1 | Calhoun County Courthouse | Calhoun County Courthouse | July 2, 1981 (#81000227) | Court and 4th Sts. 42°23′41″N 94°38′07″W﻿ / ﻿42.394722°N 94.635278°W﻿ / 42.394722; -94.635278﻿ (Calhoun County Courthouse) | Rockwell City | |
| 2 | Central School | Central School | January 3, 1985 (#85000001) | 201 S. Center 42°15′57″N 94°44′02″W﻿ / ﻿42.265833°N 94.733889°W﻿ / 42.265833; -94.733889﻿ (Central School) | Lake City | |
| 3 | Chicago and North Western Office Building/Passenger Depot-Lake City | Chicago and North Western Office Building/Passenger Depot-Lake City | August 27, 1990 (#90001205) | 401 Front St. 42°15′54″N 94°43′46″W﻿ / ﻿42.265°N 94.729444°W﻿ / 42.265; -94.729444﻿ (Chicago and North Western Office Building/Passenger Depot-Lake City) | Lake City | |
| 4 | Perry C. and Mattie Forrest Holdoegel House | Perry C. and Mattie Forrest Holdoegel House | May 6, 1992 (#91001831) | 504 8th St. 42°23′39″N 94°38′16″W﻿ / ﻿42.394167°N 94.637778°W﻿ / 42.394167; -94.637778﻿ (Perry C. and Mattie Forrest Holdoegel House) | Rockwell City | |
| 5 | First National Bank of Pomeroy | Upload image | June 20, 2023 (#100009076) | 101 South Main St. 42°33′04″N 94°41′06″W﻿ / ﻿42.551068°N 94.685010°W﻿ / 42.551068; -94.685010﻿ (First National Bank of Pomeroy) | Pomeroy | |
| 6 | Lake City Community Memorial Building | Lake City Community Memorial Building | August 27, 1990 (#90001210) | 118 E. Washington St. 42°16′06″N 94°43′59″W﻿ / ﻿42.268333°N 94.733056°W﻿ / 42.268333; -94.733056﻿ (Lake City Community Memorial Building) | Lake City | |
| 7 | Lake City Public Library | Lake City Public Library | August 27, 1990 (#90001209) | 120 N. Illinois St. 42°16′06″N 94°43′55″W﻿ / ﻿42.268333°N 94.731944°W﻿ / 42.268333; -94.731944﻿ (Lake City Public Library) | Lake City | The former Carnegie library building. |
| 8 | Lake City Water Standpipe | Lake City Water Standpipe | August 27, 1990 (#90001211) | 100 block of W. Washington St. 42°16′08″N 94°44′03″W﻿ / ﻿42.268889°N 94.734167°W﻿ / 42.268889; -94.734167﻿ (Lake City Water Standpipe) | Lake City | |
| 9 | Marsh Rainbow Arch Bridge | Marsh Rainbow Arch Bridge More images | March 30, 1989 (#88002529) | Highway N37 over the North Raccoon River 42°13′46″N 94°46′03″W﻿ / ﻿42.229444°N 94.7675°W﻿ / 42.229444; -94.7675﻿ (Marsh Rainbow Arch Bridge) | Lake City | |
| 10 | Rockwell City Bridge | Upload image | June 25, 1998 (#98000752) | 270th St. over an unnamed stream 42°23′57″N 94°36′25″W﻿ / ﻿42.399167°N 94.606944°W﻿ / 42.399167; -94.606944﻿ (Rockwell City Bridge) | Rockwell City | |
| 11 | Smith Farmhouse | Smith Farmhouse | August 27, 1990 (#90001206) | Junction of Rainbow Rd., S. and Monroe St. 42°15′55″N 94°44′46″W﻿ / ﻿42.265278°N 94.746111°W﻿ / 42.265278; -94.746111﻿ (Smith Farmhouse) | Lake City | |
| 12 | Gen. Cass and Belle Smith House | Gen. Cass and Belle Smith House | August 27, 1990 (#90001207) | 500 W. Main St. 42°16′03″N 94°44′19″W﻿ / ﻿42.2675°N 94.738611°W﻿ / 42.2675; -94.738611﻿ (Gen. Cass and Belle Smith House) | Lake City | |
| 13 | Peter and Mary Smith House | Peter and Mary Smith House | August 27, 1990 (#90001208) | 304 W. Main St. 42°16′04″N 94°44′11″W﻿ / ﻿42.267778°N 94.736389°W﻿ / 42.267778; -94.736389﻿ (Peter and Mary Smith House) | Lake City | |

## Former listings

Two properties were once listed on the Register but have since been removed:
| | Name on the Register | Image | Date listed | Date removed | Location | City or town | Description |
| 1 | Dr. Charles Knapp Round Barn | Upload image | December 23, 1986 (#86003187) | August 26, 2005 | Off CR D26 42°29′15″N 94°38′15″W﻿ / ﻿42.487568°N 94.637576°W﻿ / 42.487568; -94.637576﻿ (Dr. Charles Knapp Round Barn) | Jolley | Delisted due to relocation. Still standing at new location. |
| 2 | Welsh Bridge | Upload image | June 25, 1998 (#98000751) | December 15, 2003 | 1st Ave. over Welsh's Slough | Somers | Replaced in 2003 |