title: National Register of Historic Places listings in Warren County, Iowa
text: # National Register of Historic Places listings in Warren County, Iowa
  
  This is a list of the National Register of Historic Places listings in Warren County, Iowa.
  
  This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Warren 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 and districts listed on the National Register in the county.
  
  This National Park Service list is complete through NPS recent listings posted July 14, 2023.
  
  ## Current listings
  
  | | Name on the Register | Image | Date listed | Location | City or town |
  | - | - | - | - | - | - |
  | 1 | Coal Creek Bridge | Coal Creek Bridge More images | May 15, 1998 (#98000473) | 2404 Fillmore St. over Coal Creek 41°25′44″N 93°20′46″W﻿ / ﻿41.428889°N 93.346111°W﻿ / 41.428889; -93.346111﻿ (Coal Creek Bridge) | Carlisle |
  | 2 | Hoosier Row School | Hoosier Row School | June 23, 2011 (#11000393) | 15246 County Road R63 41°18′15″N 93°37′02″W﻿ / ﻿41.304167°N 93.617222°W﻿ / 41.304167; -93.617222﻿ (Hoosier Row School) | Indianola vicinity |
  | 3 | Indianola Carnegie Library | Indianola Carnegie Library More images | September 5, 2017 (#100001568) | 106 W. Boston Ave. 41°21′45″N 93°33′43″W﻿ / ﻿41.362574°N 93.561978°W﻿ / 41.362574; -93.561978﻿ (Indianola Carnegie Library) | Indianola |
  | 4 | Indianola High School | Indianola High School More images | October 24, 2002 (#02001247) | 301 N. Buxton 41°21′46″N 93°33′45″W﻿ / ﻿41.362778°N 93.5625°W﻿ / 41.362778; -93.5625﻿ (Indianola High School) | Indianola |
  | 5 | Lake Ahquabi State Park, Picnic Area (Area A) | Lake Ahquabi State Park, Picnic Area (Area A) More images | November 15, 1990 (#90001663) | 1650 118th Ave. 41°17′23″N 93°35′01″W﻿ / ﻿41.289722°N 93.583611°W﻿ / 41.289722; -93.583611﻿ (Lake Ahquabi State Park, Picnic Area (Area A)) | Indianola |
  | 6 | Lake Ahquabi State Park, Bathhouse Area (Area B) | Lake Ahquabi State Park, Bathhouse Area (Area B) More images | November 15, 1990 (#90001664) | 1650 118th Ave. 41°17′25″N 93°35′25″W﻿ / ﻿41.290278°N 93.590278°W﻿ / 41.290278; -93.590278﻿ (Lake Ahquabi State Park, Bathhouse Area (Area B)) | Indianola |
  | 7 | Lake Ahquabi State Park, Refectory Area (Area C) | Lake Ahquabi State Park, Refectory Area (Area C) | November 15, 1990 (#90001665) | 1650 118th Ave. 41°17′19″N 93°35′25″W﻿ / ﻿41.288611°N 93.590278°W﻿ / 41.288611; -93.590278﻿ (Lake Ahquabi State Park, Refectory Area (Area C)) | Indianola |
  | 8 | Octagon Barn, Otter Township | Octagon Barn, Otter Township More images | June 30, 1986 (#86001448) | Off Iowa Highway 205 41°16′07″N 93°26′35″W﻿ / ﻿41.268611°N 93.443056°W﻿ / 41.268611; -93.443056﻿ (Octagon Barn, Otter Township) | Otter Township |
  | 9 | Palmyra Methodist Episcopal Church | Palmyra Methodist Episcopal Church More images | October 1, 1979 (#79000945) | Southwest of Hartford 41°26′04″N 93°26′05″W﻿ / ﻿41.434444°N 93.434722°W﻿ / 41.434444; -93.434722﻿ (Palmyra Methodist Episcopal Church) | Palmyra |
  | 10 | Polled Hereford Breed Origin Site | Polled Hereford Breed Origin Site | June 24, 1983 (#83000408) | Southwest of Indianola 41°15′32″N 93°40′54″W﻿ / ﻿41.258889°N 93.681667°W﻿ / 41.258889; -93.681667﻿ (Polled Hereford Breed Origin Site) | Indianola |
  | 11 | Science Hall | Science Hall | May 8, 1991 (#91000535) | Simpson College campus 41°21′54″N 93°34′25″W﻿ / ﻿41.365°N 93.573611°W﻿ / 41.365; -93.573611﻿ (Science Hall) | Indianola |
  | 12 | United Presbyterian Church, Summerset | United Presbyterian Church, Summerset More images | November 7, 1976 (#76000811) | U.S. Route 65 41°28′16″N 93°33′38″W﻿ / ﻿41.471111°N 93.560556°W﻿ / 41.471111; -93.560556﻿ (United Presbyterian Church, Summerset) | Scotch Ridge |
  
  ## Former listing
  
  | | Name on the Register | Image | Date listed | Date removed | Location | City or town | Description |
  | - | - | - | - | - | - | - | - |
  | 1 | Warren County Court House | Warren County Court House | August 28, 2003 (#03000818) | September 19, 2019 | 115 N. Howard Ave. 41°21′40″N 93°33′41″E﻿ / ﻿41.361111°N 93.561389°E﻿ / 41.361111; 93.561389﻿ (Warren County Court House) | Indianola | It was a part of the PWA-Era County Courthouses of IA MPS. Because of mold and other issues the building was demolished in 2019. |
  