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

This is a list of the National Register of Historic Places listings in Hardin County, Iowa.
This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Hardin 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 35 properties and districts 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)

## Current listings

| | Name on the Register | Image | Date listed | Location | City or town | Description |
| 1 | Alden Bridge | Alden Bridge More images | May 15, 1998 (#98000517) | Main St. over the Iowa River 42°31′16″N 93°22′32″W﻿ / ﻿42.521111°N 93.375556°W﻿ / 42.521111; -93.375556﻿ (Alden Bridge) | Alden | |
| 2 | Alden Public Library | Alden Public Library More images | March 17, 1981 (#81000241) | 1012 Water St. 42°31′07″N 93°22′01″W﻿ / ﻿42.518611°N 93.366944°W﻿ / 42.518611; -93.366944﻿ (Alden Public Library) | Alden | |
| 3 | Carnegie-Ellsworth Public Library | Carnegie-Ellsworth Public Library | May 23, 1983 (#83000363) | 520 Rocksylvania Ave. 42°31′18″N 93°15′50″W﻿ / ﻿42.521722°N 93.263833°W﻿ / 42.521722; -93.263833﻿ (Carnegie-Ellsworth Public Library) | Iowa Falls | |
| 4 | Civilian Conservation Corps-Prisoner of War Recreation Hall | Civilian Conservation Corps-Prisoner of War Recreation Hall | January 27, 2012 (#11001056) | 301 11th Ave. 42°21′45″N 93°05′11″W﻿ / ﻿42.362511°N 93.086336°W﻿ / 42.362511; -93.086336﻿ (Civilian Conservation Corps-Prisoner of War Recreation Hall) | Eldora | |
| 5 | Edgewood School of Domestic Arts | Edgewood School of Domestic Arts | April 19, 1979 (#79000897) | 719 River St. 42°31′26″N 93°16′06″W﻿ / ﻿42.523861°N 93.268333°W﻿ / 42.523861; -93.268333﻿ (Edgewood School of Domestic Arts) | Iowa Falls | |
| 6 | Eldora Downtown Historic District | Eldora Downtown Historic District More images | May 12, 2009 (#09000297) | Approximately ten blocks in downtown Eldora around the courthouse square 42°21′37″N 93°05′56″W﻿ / ﻿42.360197°N 93.098917°W﻿ / 42.360197; -93.098917﻿ (Eldora Downtown Historic District) | Eldora | |
| 7 | Eldora Public Library | Eldora Public Library | May 23, 1983 (#83000364) | 1219 14th Ave. 42°21′35″N 93°05′55″W﻿ / ﻿42.359611°N 93.09875°W﻿ / 42.359611; -93.09875﻿ (Eldora Public Library) | Eldora | |
| 8 | Ellsworth-Jones Building | Ellsworth-Jones Building | October 1, 1993 (#93000959) | 511 Washington Ave. 42°31′10″N 93°15′49″W﻿ / ﻿42.519389°N 93.263528°W﻿ / 42.519389; -93.263528﻿ (Ellsworth-Jones Building) | Iowa Falls | |
| 9 | Estes Park Band Shell | Estes Park Band Shell | October 1, 1993 (#93000960) | Estes Park 42°31′15″N 93°15′53″W﻿ / ﻿42.520722°N 93.264806°W﻿ / 42.520722; -93.264806﻿ (Estes Park Band Shell) | Iowa Falls | |
| 10 | First Congregational Church | First Congregational Church | December 4, 1996 (#96001372) | 1209 12th St. 42°21′41″N 93°05′52″W﻿ / ﻿42.361389°N 93.097778°W﻿ / 42.361389; -93.097778﻿ (First Congregational Church) | Eldora | |
| 11 | First National Bank | First National Bank | October 1, 1993 (#93000958) | 601 Washington Ave. 42°31′10″N 93°15′52″W﻿ / ﻿42.519444°N 93.264361°W﻿ / 42.519444; -93.264361﻿ (First National Bank) | Iowa Falls | |
| 12 | Folkert Mound Group | Folkert Mound Group | March 17, 2009 (#09000126) | Address Restricted | Steamboat Rock | |
| 13 | Hardin County Courthouse | Hardin County Courthouse | July 2, 1981 (#81000242) | Edgington Ave. 42°21′32″N 93°05′45″W﻿ / ﻿42.358889°N 93.095833°W﻿ / 42.358889; -93.095833﻿ (Hardin County Courthouse) | Eldora | |
| 14 | Hardin County Home Historic District | Hardin County Home Historic District | May 24, 2010 (#10000275) | 28483 County Road D41 42°23′25″N 93°08′18″W﻿ / ﻿42.390158°N 93.138206°W﻿ / 42.390158; -93.138206﻿ (Hardin County Home Historic District) | Eldora | |
| 15 | Honey Creek Friends' Meetinghouse | Honey Creek Friends' Meetinghouse | February 8, 1980 (#80001452) | Southwest of New Providence 42°15′02″N 93°11′14″W﻿ / ﻿42.250556°N 93.187222°W﻿ / 42.250556; -93.187222﻿ (Honey Creek Friends' Meetinghouse) | New Providence | |
| 16 | Illinois Central Combination Depot-Ackley | Illinois Central Combination Depot-Ackley | September 6, 1990 (#90001303) | North of Railroad St., between State and Mitchell Sts. 42°33′19″N 93°03′08″W﻿ / ﻿42.555139°N 93.052306°W﻿ / 42.555139; -93.052306﻿ (Illinois Central Combination Depot-Ackley) | Ackley | |
| 17 | Iowa Falls Bridge | Iowa Falls Bridge More images | May 15, 1998 (#98000516) | U.S. Route 65 over the Iowa River 42°31′06″N 93°15′46″W﻿ / ﻿42.518333°N 93.262778°W﻿ / 42.518333; -93.262778﻿ (Iowa Falls Bridge) | Iowa Falls | Demolished in 2010. |
| 18 | Iowa Falls Union Depot | Iowa Falls Union Depot | September 6, 1990 (#90001305) | E. Rocksylvania Ave. and Depot St. 42°31′16″N 93°15′23″W﻿ / ﻿42.521222°N 93.2565°W﻿ / 42.521222; -93.2565﻿ (Iowa Falls Union Depot) | Iowa Falls | |
| 19 | Glenn and Nell Kurtz Lustron Home and Garage | Glenn and Nell Kurtz Lustron Home and Garage | December 2, 2014 (#14000971) | 2017 Washington Ave. 42°31′11″N 93°16′58″W﻿ / ﻿42.5196°N 93.2828°W﻿ / 42.5196; -93.2828﻿ (Glenn and Nell Kurtz Lustron Home and Garage) | Iowa Falls | |
| 20 | McClanahan Block | McClanahan Block | October 1, 1993 (#93000956) | 613 Washington Ave. 42°31′10″N 93°15′53″W﻿ / ﻿42.519389°N 93.264806°W﻿ / 42.519389; -93.264806﻿ (McClanahan Block) | Iowa Falls | |
| 21 | Metropolitan Opera House | Metropolitan Opera House More images | February 20, 1975 (#75000690) | 515 Washington St. 42°30′55″N 93°16′08″W﻿ / ﻿42.515278°N 93.268889°W﻿ / 42.515278; -93.268889﻿ (Metropolitan Opera House) | Iowa Falls | |
| 22 | Mills Tower Historic District | Mills Tower Historic District | September 6, 1990 (#90001304) | E. Rocksylvania Ave., 1/3 mile east of Freight House 42°31′22″N 93°14′55″W﻿ / ﻿42.522778°N 93.248611°W﻿ / 42.522778; -93.248611﻿ (Mills Tower Historic District) | Iowa Falls | |
| 23 | New Providence Building Association Stores | New Providence Building Association Stores | March 15, 2016 (#16000081) | 401–405 W. Main Street Dr. 42°16′54″N 93°10′19″W﻿ / ﻿42.281555°N 93.171991°W﻿ / 42.281555; -93.171991﻿ (New Providence Building Association Stores) | New Providence | |
| 24 | New Providence School Gymnasium | New Providence School Gymnasium | October 22, 1996 (#96000698) | 106 N. Main St. 42°17′07″N 93°10′22″W﻿ / ﻿42.285139°N 93.172722°W﻿ / 42.285139; -93.172722﻿ (New Providence School Gymnasium) | New Providence | |
| 25 | Princess-Sweet Shop | Princess-Sweet Shop | October 1, 1993 (#93000957) | 607 Washington Ave. 42°31′10″N 93°15′52″W﻿ / ﻿42.519444°N 93.264444°W﻿ / 42.519444; -93.264444﻿ (Princess-Sweet Shop) | Iowa Falls | |
| 26 | River Street Bridge | River Street Bridge More images | May 15, 1998 (#98000526) | River St. over the Iowa River 42°31′11″N 93°16′05″W﻿ / ﻿42.519722°N 93.268056°W﻿ / 42.519722; -93.268056﻿ (River Street Bridge) | Iowa Falls | |
| 27 | St. Matthew's by the Bridge Episcopal Church | St. Matthew's by the Bridge Episcopal Church More images | October 1, 1993 (#93000961) | Junction of Oak and Railroad Sts. 42°31′06″N 93°15′47″W﻿ / ﻿42.518333°N 93.263056°W﻿ / 42.518333; -93.263056﻿ (St. Matthew's by the Bridge Episcopal Church) | Iowa Falls | |
| 28 | Sentinel Block | Sentinel Block | October 1, 1993 (#93000962) | 702 Washington Ave. 42°31′12″N 93°15′56″W﻿ / ﻿42.519917°N 93.265639°W﻿ / 42.519917; -93.265639﻿ (Sentinel Block) | Iowa Falls | |
| 29 | Slayton Farms-Round Barn | Slayton Farms-Round Barn | July 7, 1999 (#99000739) | 20478 135th St. 42°30′52″N 93°17′26″W﻿ / ﻿42.514444°N 93.290556°W﻿ / 42.514444; -93.290556﻿ (Slayton Farms-Round Barn) | Iowa Falls | |
| 30 | Steamboat Rock Consolidated Schools Building | Steamboat Rock Consolidated Schools Building More images | March 31, 2004 (#04000243) | 306 W. Market St. 42°24′29″N 93°03′55″W﻿ / ﻿42.408056°N 93.06516°W﻿ / 42.408056; -93.06516﻿ (Steamboat Rock Consolidated Schools Building) | Steamboat Rock | |
| 31 | Union Cemetery Gardener's Cottage | Union Cemetery Gardener's Cottage | January 24, 2002 (#01001486) | Union Cemetery 42°31′40″N 93°16′13″W﻿ / ﻿42.527694°N 93.270278°W﻿ / 42.527694; -93.270278﻿ (Union Cemetery Gardener's Cottage) | Iowa Falls | |
| 32 | US Post Office-Iowa Falls | US Post Office-Iowa Falls | January 5, 1994 (#93000955) | 401 Main St. 42°31′15″N 93°15′56″W﻿ / ﻿42.520833°N 93.265556°W﻿ / 42.520833; -93.265556﻿ (US Post Office-Iowa Falls) | Iowa Falls | |
| 33 | W.R.C. Hall | W.R.C. Hall | October 1, 1993 (#93000963) | 710 Washington Ave. 42°31′11″N 93°15′57″W﻿ / ﻿42.519722°N 93.265833°W﻿ / 42.519722; -93.265833﻿ (W.R.C. Hall) | Iowa Falls | |
| 34 | Washington Avenue Bridge | Washington Avenue Bridge | May 15, 1998 (#98000518) | U.S. Route 20 over the Iowa River 42°31′11″N 93°16′16″W﻿ / ﻿42.519722°N 93.271111°W﻿ / 42.519722; -93.271111﻿ (Washington Avenue Bridge) | Iowa Falls | |
| 35 | Washington Avenue Commercial Historic District | Washington Avenue Commercial Historic District More images | October 31, 2012 (#12000889) | 401-714 Washington Ave., the 300 block of Stephens St. and the 200 and 300 blocks of Oak St. 42°31′11″N 93°15′51″W﻿ / ﻿42.51964°N 93.264166°W﻿ / 42.51964; -93.264166﻿ (Washington Avenue Commercial Historic District) | Iowa Falls | |