This is a list of the National Register of Historic Places listings in Poweshiek County, Iowa.

This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Poweshiek 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.^[1]

There are 25 properties and districts listed on the National Register in the county, including one National Historic Landmark.

          This National Park Service list is complete through NPS recent listings posted March 22, 2024.^[2]

Current listings

[3]	Name on the Register[4]	Image	Date listed[5]	Location	City or town	Description
1	Bowers and McDonald Office Building		December 20, 1990 (#90001849)	816 Commercial St. 41°44′33″N 92°43′29″W / 41.7425°N 92.724722°W / 41.7425; -92.724722 (Bowers and McDonald Office Building)	Grinnell
2	Brooklyn Hotel		October 1, 1979 (#79000933)	154 Front St. 41°43′42″N 92°26′51″W / 41.728333°N 92.4475°W / 41.728333; -92.4475 (Brooklyn Hotel)	Brooklyn
3	Brooklyn Opera House–Broadway Theatre	More images	May 17, 2021 (#100006522)	115 Jackson St. 41°43′44″N 92°26′42″W / 41.729020°N 92.445091°W / 41.729020; -92.445091 (Brooklyn Opera House–Broadway Theatre)	Brooklyn	Footlights in Farm Country: Iowa Opera Houses MPS
4	Chicago, Rock Island and Pacific Railroad-Grinnell Passenger Station	More images	December 12, 1976 (#76000805)	Park and State Sts. 41°44′36″N 92°43′20″W / 41.743333°N 92.722222°W / 41.743333; -92.722222 (Chicago, Rock Island and Pacific Railroad-Grinnell Passenger Station)	Grinnell
5	Farmers Mutual Reinsurance Company Building		March 13, 2013 (#13000069)	821 5th Ave. 41°44′42″N 92°43′29″W / 41.744933°N 92.724699°W / 41.744933; -92.724699 (Farmers Mutual Reinsurance Company Building)	Grinnell
6	Goodnow Hall		April 26, 1979 (#79000934)	Grinnell College campus 41°44′49″N 92°43′19″W / 41.746944°N 92.721944°W / 41.746944; -92.721944 (Goodnow Hall)	Grinnell
7	Grinnell Herald Building		January 17, 1991 (#90002131)	813 5th Ave. 41°44′41″N 92°43′29″W / 41.744722°N 92.724722°W / 41.744722; -92.724722 (Grinnell Herald Building)	Grinnell	See Grinnell Herald-Register
8	Grinnell Historic Commercial District	More images	April 9, 1991 (#91000384)	Roughly bounded by Main, Broad, and Commercial Sts. and 5th Ave. 41°44′37″N 92°43′30″W / 41.743611°N 92.725°W / 41.743611; -92.725 (Grinnell Historic Commercial District)	Grinnell
9	Levi P. Grinnell House		October 1, 1979 (#79000935)	1002 Park St. 41°44′42″N 92°43′33″W / 41.745°N 92.725833°W / 41.745; -92.725833 (Levi P. Grinnell House)	Grinnell
10	Interior Telephone Company Building		December 20, 1990 (#90001850)	815 5th Ave. 41°44′42″N 92°43′29″W / 41.745°N 92.724722°W / 41.745; -92.724722 (Interior Telephone Company Building)	Grinnell
11	Kent Union Chapel and Cemetery	More images	September 16, 2009 (#09000715)	3386 V18 Rd. 41°48′22″N 92°26′35″W / 41.806214°N 92.44305°W / 41.806214; -92.44305 (Kent Union Chapel and Cemetery)	Brooklyn
12	William Manatt House		October 30, 1997 (#97001288)	304 Jackson St. 41°43′50″N 92°26′44″W / 41.730556°N 92.445556°W / 41.730556; -92.445556 (William Manatt House)	Brooklyn
13	E.A. and Rebecca (Johnson) Marsh House		April 15, 1999 (#99000454)	833 East St. 41°44′17″N 92°43′27″W / 41.738056°N 92.724167°W / 41.738056; -92.724167 (E.A. and Rebecca (Johnson) Marsh House)	Grinnell
14	Mears Hall		April 26, 1979 (#79000936)	Grinnell College campus 41°44′49″N 92°43′07″W / 41.746944°N 92.718611°W / 41.746944; -92.718611 (Mears Hall)	Grinnell
15	Merchants' National Bank	More images	January 7, 1976 (#76000804)	Northwestern corner of 4th Ave. and Broad St. 41°44′39″N 92°43′33″W / 41.744167°N 92.725833°W / 41.744167; -92.725833 (Merchants' National Bank)	Grinnell
16	Montezuma Downtown Historic District		May 30, 2012 (#12000131)	Roughly along 3rd, 4th, Main & Liberty Sts. around courthouse square 41°35′06″N 92°31′27″W / 41.584907°N 92.524272°W / 41.584907; -92.524272 (Montezuma Downtown Historic District)	Montezuma	part of the Iowa's Main Street Commercial Architecture Multiple Property Submission
17	New Carroll House Hotel	Upload image	October 1, 1979 (#79000938)	E. Main and 5th Sts. 41°35′00″N 92°31′21″W / 41.583333°N 92.5225°W / 41.583333; -92.5225 (New Carroll House Hotel)	Montezuma
18	North Grinnell Historic District		December 10, 2008 (#08001164)	Park to W. 6th Ave. to 11th Ave. 41°44′59″N 92°43′21″W / 41.749808°N 92.722533°W / 41.749808; -92.722533 (North Grinnell Historic District)	Grinnell
19	Pioneer Oil Company Filling Station		March 13, 2013 (#13000070)	831 West St. 41°44′32″N 92°43′39″W / 41.742339°N 92.727381°W / 41.742339; -92.727381 (Pioneer Oil Company Filling Station)	Grinnell
20	Poweshiek County Courthouse		July 2, 1981 (#81000266)	302 E. Main St. 41°35′07″N 92°31′30″W / 41.58537°N 92.52487°W / 41.58537; -92.52487 (Poweshiek County Courthouse)	Montezuma
21	P.P. Raymond House		April 24, 1985 (#85000873)	4th St. 41°42′30″N 92°33′22″W / 41.708333°N 92.556111°W / 41.708333; -92.556111 (P.P. Raymond House)	Malcom
22	B.J. Ricker House	More images	December 25, 1979 (#79000937)	1510 Broad St. 41°45′05″N 92°43′33″W / 41.751389°N 92.725833°W / 41.751389; -92.725833 (B.J. Ricker House)	Grinnell
23	Spaulding Manufacturing Company	More images	December 21, 1978 (#78001257)	500-610 4th Ave., 827-829 Spring St. 41°44′36″N 92°43′33″W / 41.743333°N 92.725833°W / 41.743333; -92.725833 (Spaulding Manufacturing Company)	Grinnell
24	Charles H. Spencer House	More images	January 25, 1980 (#80001458)	611 6th Ave. 41°44′52″N 92°43′50″W / 41.747778°N 92.730556°W / 41.747778; -92.730556 (Charles H. Spencer House)	Grinnell
25	Stewart Library	More images	November 21, 1976 (#76000806)	926 Broad St. 41°44′42″N 92°43′24″W / 41.745°N 92.723333°W / 41.745; -92.723333 (Stewart Library)	Grinnell

Former listings

[3]	Name on the Register	Image	Date listed	Date removed	Location	City or town	Description
1	McDowell Bridge		May 15, 1998 (#98000488)	May 10, 2012	River Rd. over the North Skunk River 41°31′14″N 92°40′32″W / 41.520556°N 92.675556°W / 41.520556; -92.675556 (McDowell Bridge)	Montezuma	Part of the Highway Bridges of Iowa Multiple Property Submission. Washed out by flooding in July, 2010.[6] Moved to the Auburn Heights Preserve in Yorklyn, Delaware.[7]