This is a list of the National Register of Historic Places listings in Carroll County, Indiana.

This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Carroll County, Indiana, 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 32 properties and districts listed on the National Register in the county. Another property was once listed but has been removed.

Properties and districts located in incorporated areas display the name of the municipality, while properties and districts in unincorporated areas display the name of their civil township. Properties and districts split between multiple jurisdictions display the names of all jurisdictions.

          This National Park Service list is complete through NPS recent listings posted January 26, 2024.^[2]

Current listings

[3]	Name on the Register[4]	Image	Date listed[5]	Location	City or town	Description
1	Adams Mill	More images	November 23, 1984 (#84000278)	Off County Road 50E, northeast of Cutler 40°28′50″N 86°30′29″W / 40.480556°N 86.508056°W / 40.480556; -86.508056 (Adams Mill)	Democrat Township
2	Adams Mill Covered Bridge	More images	January 11, 1996 (#95001537)	County Road 50E over Wildcat Creek, northeast of Cutler 40°29′01″N 86°30′42″W / 40.483611°N 86.511667°W / 40.483611; -86.511667 (Adams Mill Covered Bridge)	Democrat Township
3	American House Hotel	Upload image	September 4, 2018 (#100002859)	205 Michigan Rd. 40°28′52″N 86°23′42″W / 40.4812°N 86.3950°W / 40.4812; -86.3950 (American House Hotel)	Burlington
4	Barnett-Seawright-Wilson House		September 17, 1980 (#80000054)	203 E. Monroe St. 40°35′18″N 86°40′25″W / 40.588333°N 86.673611°W / 40.588333; -86.673611 (Barnett-Seawright-Wilson House)	Delphi
5	Baum-Shaeffer Farm		August 28, 1998 (#98001102)	6678 W200N, southeast of Delphi 40°34′28″N 86°39′11″W / 40.574444°N 86.653056°W / 40.574444; -86.653056 (Baum-Shaeffer Farm)	Deer Creek Township
6	Burlington Township No. 9 School	Upload image	November 29, 2019 (#100004727)	6013 Cty. Rd. East 600 South. 40°27′37″N 86°24′40″W / 40.4604°N 86.4110°W / 40.4604; -86.4110 (Burlington Township No. 9 School)	Burlington Township
7	Burris House and Potawatomi Spring		September 15, 1977 (#77000018)	Towpath Rd. at Lockport 40°41′54″N 86°34′28″W / 40.698333°N 86.574444°W / 40.698333; -86.574444 (Burris House and Potawatomi Spring)	Adams Township
8	Camden First Baptist Church	Upload image	February 22, 2023 (#100008659)	225 East Main St. 40°36′31″N 86°32′16″W / 40.6087°N 86.5377°W / 40.6087; -86.5377 (Camden First Baptist Church)	Camden
9	Camden Masonic Temple	More images	December 23, 2003 (#03001313)	213 W. Main St. 40°36′31″N 86°32′26″W / 40.608611°N 86.540556°W / 40.608611; -86.540556 (Camden Masonic Temple)	Camden
10	Carroll County Courthouse	More images	December 23, 2003 (#03001317)	101 W. Main St. 40°35′10″N 86°40′29″W / 40.586111°N 86.674722°W / 40.586111; -86.674722 (Carroll County Courthouse)	Delphi
11	Carroll County Infirmary	Upload image	December 3, 2018 (#100003177)	6409 W100N 40°33′42″N 86°38′48″W / 40.5618°N 86.6466°W / 40.5618; -86.6466 (Carroll County Infirmary)	Deer Creek Township
12	Carrollton Bridge	More images	June 22, 2003 (#03000539)	Carrollton Rd. across the Wabash River, north of Delphi 40°38′54″N 86°39′24″W / 40.648333°N 86.656667°W / 40.648333; -86.656667 (Carrollton Bridge)	Adams, Deer Creek, and Tippecanoe Townships
13	Deer Creek Valley Rural Historic District	More images	December 19, 2002 (#02001557)	Southeastern corner of Sec. 21, most of Sec. 22, and areas north of Deer Creek, east of Delphi 40°35′35″N 86°37′49″W / 40.593056°N 86.630278°W / 40.593056; -86.630278 (Deer Creek Valley Rural Historic District)	Deer Creek Township
14	Delphi City Hall		December 17, 1998 (#98001525)	105-109 Washington St. 40°35′12″N 86°40′26″W / 40.586667°N 86.673889°W / 40.586667; -86.673889 (Delphi City Hall)	Delphi
15	Delphi Courthouse Square Historic District	More images	March 31, 2010 (#10000120)	Roughly bounded by Monroe, the southern side of Main, and the western sides of Market and Indiana Sts. 40°35′11″N 86°40′29″W / 40.586358°N 86.674819°W / 40.586358; -86.674819 (Delphi Courthouse Square Historic District)	Delphi
16	Delphi Lime Kilns		June 27, 2002 (#02000693)	North-northwest of Delphi 40°35′45″N 86°40′43″W / 40.595833°N 86.678611°W / 40.595833; -86.678611 (Delphi Lime Kilns)	Deer Creek Township
17	Delphi Methodist Episcopal Church		September 14, 2015 (#15000592)	118 N. Union St. 40°35′17″N 86°40′26″W / 40.588056°N 86.673889°W / 40.588056; -86.673889 (Delphi Methodist Episcopal Church)	Delphi
18	District School No. 3		March 31, 1988 (#88000374)	Southeastern corner of the junction of County Roads 750N and 100W, northeast of Rockfield 40°39′21″N 86°32′38″W / 40.655833°N 86.543889°W / 40.655833; -86.543889 (District School No. 3)	Rock Creek Township
19	Foreman-Case House		May 24, 1990 (#90000811)	312 E. Main St. 40°35′12″N 86°40′15″W / 40.586667°N 86.670833°W / 40.586667; -86.670833 (Foreman-Case House)	Delphi
20	Franklin Street Stone Arch Bridge	Upload image	March 1, 2021 (#100006203)	Franklin St. over Old Canal 40°35′01″N 86°41′01″W / 40.5836°N 86.6835°W / 40.5836; -86.6835 (Franklin Street Stone Arch Bridge)	Delphi
21	Lancaster Covered Bridge	More images	March 2, 2021 (#100006206)	Cty. Rd. 500 W-500 S over Wildcat Cr. 40°28′04″N 86°37′02″W / 40.4677°N 86.6171°W / 40.4677; -86.6171 (Lancaster Covered Bridge)	Owasco vicinity
22	Little Rock Creek Stone Arch Bridge	Upload image	March 2, 2021 (#100006207)	Cty. Rd. 1025 N-175 W over Little Rock Cr. Coordinates missing	Lockport vicinity
23	Lock No. 33 Lock Keeper's House, and Wabash and Erie Canal Lock No. 33		June 24, 2002 (#02000684)	Along the Wabash and Erie Canal south of Bicycle Bridge Rd., southwest of Delphi[6] 40°34′52″N 86°41′00″W / 40.581111°N 86.683333°W / 40.581111; -86.683333 (Lock No. 33 Lock Keeper's House, and Wabash and Erie Canal Lock No. 33)	Deer Creek Township
24	Niewerth Building	More images	May 24, 1984 (#84001001)	124 E. Main St. 40°35′10″N 86°40′22″W / 40.586111°N 86.672778°W / 40.586111; -86.672778 (Niewerth Building)	Delphi
25	North Street Viaduct	Upload image	August 28, 2023 (#100009295)	North St. overpass at US 421/39/Washington St. 40°34′56″N 86°40′13″W / 40.5822°N 86.6703°W / 40.5822; -86.6703 (North Street Viaduct)	Delphi
26	Fred and Minnie Raber Farm		September 16, 1992 (#92001169)	State Road 218 east of County Road 425W, west of Camden 40°36′21″N 86°36′11″W / 40.605833°N 86.603056°W / 40.605833; -86.603056 (Fred and Minnie Raber Farm)	Deer Creek Township
27	Sunset Point		June 24, 2002 (#02000685)	Confluence of Deer Creek and the Wabash River, southwest of Delphi[6] 40°34′20″N 86°41′18″W / 40.572111°N 86.688333°W / 40.572111; -86.688333 (Sunset Point)	Deer Creek Township
28	Sycamore Row		June 24, 2002 (#100009297)	Old IN 29 from Deer Creek south approx. 1,300 feet (400 m) to IN 29 40°36′25″N 86°23′29″W / 40.6069°N 86.3913°W / 40.6069; -86.3913 (Sycamore Row)	Washington Township
29	Andrew Thomas House	More images	December 27, 1984 (#84000485)	W. Main St. 40°36′31″N 86°32′26″W / 40.608611°N 86.540556°W / 40.608611; -86.540556 (Andrew Thomas House)	Camden
30	Wabash and Erie Canal Culvert No. 100		March 20, 2002 (#02000194)	Towpath Rd. over Burnett's Creek, northeast of Lockport 40°42′11″N 86°34′02″W / 40.703056°N 86.567222°W / 40.703056; -86.567222 (Wabash and Erie Canal Culvert No. 100)	Adams Township
31	Washington Street Stone Arch Bridge	More images	March 1, 2021 (#100006209)	Washington St. over Old Canal 40°35′34″N 86°40′44″W / 40.5927°N 86.6789°W / 40.5927; -86.6789 (Washington Street Stone Arch Bridge)	Delphi
32	Wilson Bridge	More images	June 6, 2001 (#01000623)	0.6 miles west of County Road 450W on County Road 300N over Deer Creek, east of Delphi 40°35′27″N 86°37′16″W / 40.590833°N 86.621111°W / 40.590833; -86.621111 (Wilson Bridge)	Deer Creek Township

Former listing

[3]	Name on the Register	Image	Date listed	Date removed	Location	City or town	Description
1	Pulaski County Bridge No. 31	More images	June 22, 2003 (#03000546)	October 1, 2014	Spans the Wabash and Erie Canal, southwest of downtown Delphi[7] 40°34′59″N 86°41′00″W / 40.583056°N 86.683333°W / 40.583056; -86.683333 (Pulaski County Bridge No. 31)	Delphi	Formerly located on County Road 1175W near Medaryville;[4] moved to Delphi in 2006[8]