Indiana · City

Delphi

18 places in Delphi, Indiana are on the National Register of Historic Places. Public works make up the largest group by what the buildings were for. 4 of the listings are historic districts rather than single buildings.

The earliest listing here is Barnett-Seawright-Wilson House, added Sep 17, 1980.

Map

Coordinates come from the National Park Service National Register spatial data, or from Wikidata where the spatial data has no point. A point marks the record location and does not mean the place is open to visitors. Data refreshed November 02, 2026.

18
Listings
4
Historic districts
1980
First listing

Oldest on the register

First listedBarnett-Seawright-Wilson House · Sep 17, 1980
Oldest construction dateDelphi Methodist Episcopal Church · built 1869

Listing dates come from the National Register office's spreadsheet of listed properties. Construction years come from Wikidata, matched on reference number, and are on record for 2 of the 18 listings here. Data refreshed November 02, 2026.

Building · Carroll County
Barnett-Seawright-Wilson House
BuildingListed 1980
Building · Carroll County
Baum–Shaeffer Farm
BuildingListed 1998
Building · Carroll County
Carroll County Courthouse
BuildingListed 2003
Structure · Carroll County
Carrollton Bridge
StructureListed 2003

Historic districts

Styles that appear most

Greek Revival 2Neoclassical 2Gothic Revival 1Italianate 1

Style labels come from Wikidata and are on record for 6 of the 18 listings here. The count is the number of listings carrying each label. Data refreshed November 02, 2026.

Every listing

Barnett-Seawright-Wilson House▾1980
Address
203 E. Monroe St., Delphi
Listed
Sep 17, 1980
Listed for
Architecture, Social history
Significance
Local
Also known as
Fowler House
Reference
80000054
Style
Greek Revival architecture
Contributing
2 buildings
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Wikipedia ↗Directions ↗
Barnett-Seawright-Wilson House
Baum–Shaeffer Farm▾1998
Address
6678 W 200 N, Delphi vicinity
Listed
Aug 28, 1998
Listed for
Agriculture, Architecture
Significance
Local
Reference
98001102
Contributing
6 buildings
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Wikipedia ↗Directions ↗
Baum–Shaeffer Farm
Carroll County Courthouse▾2003
Address
101 W. Main St., Delphi
Listed
Dec 23, 2003
Listed for
Architecture, Politics and government, Art
Significance
Local
Reference
03001317
Style
Neoclassical architecture
Contributing
1 building, 3 objects
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Wikipedia ↗Directions ↗
Carroll County Courthouse
Carroll County Infirmary▾·
Address
6409 W 100 North, Delphi
Listed for
Social history, Architecture
Significance
Local
Also known as
Carroll Manor; Carroll County Home
Reference
100003177
Style
Neoclassical architecture
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗Directions ↗
Carrollton Bridge▾2003
Address
Carrollton Rd. across Wabash R., Delphi vicinity
Listed
Jun 22, 2003
Listed for
Transportation, Engineering
Significance
Local
Also known as
Carroll County Bridge #132
Reference
03000539
Contributing
1 structure
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Wikipedia ↗Directions ↗
Carrollton Bridge
Deer Creek Valley Rural Historic District▾2002
Address
SE corner of Sec. 21, most of Sec. 22 and Areas N of Deer Creek, Delphi
Listed
Dec 19, 2002
Listed for
Agriculture, Architecture, Exploration and settlement, Transportation, Literature
Significance
Local
Reference
02001557
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Wikipedia ↗Directions ↗
Deer Creek Valley Rural Historic District
Delphi City Hall▾1998
Address
105-109 Washington St., Delphi
Listed
Dec 17, 1998
Listed for
Architecture, Performing arts
Significance
Local
Also known as
Assion-Ruffing Building; Opera House
Reference
98001525
Contributing
1 building
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Wikipedia ↗Directions ↗
Delphi City Hall
Delphi Courthouse Square Historic District▾2010
Address
Roughly bounded by Monroe, s. side of Main, w. side of Market and Indiana Sts., Delphi
Listed
Mar 31, 2010
Listed for
Architecture, Commerce, Politics and government, Exploration and settlement, Education
Significance
Local
Reference
10000120
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Wikipedia ↗Directions ↗
Delphi Courthouse Square Historic District
Delphi Lime Kilns▾2002
Address
NNW of Delphi, Delphi vicinity
Listed
Jun 27, 2002
Listed for
Architecture, Agriculture
Significance
State
Reference
02000693
Contributing
6 buildings
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Directions ↗
Delphi Methodist Episcopal Church▾2015
Address
118 N. Union St., Delphi
Listed
Sep 14, 2015
Listed for
Architecture
Significance
Local
Reference
15000592
Built
1869
Style
Gothic Revival
Contributing
1 building
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗Wikipedia ↗Directions ↗
Delphi Methodist Episcopal Church
Delphi Residential Historic District▾·
Address
Roughly bounded by the Norfolk & Southern Railroad on the north and west, Front Street on the south, and Bowen Street (or a continuation thereof) on the east., Delphi
Listed for
Architecture
Significance
Local
Reference
100011037
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗
Foreman–Case House▾1990
Address
312 E. Main St., Delphi
Listed
May 24, 1990
Listed for
Architecture
Significance
Local
Also known as
Foreman--Case--Schermerhorn House
Reference
90000811
Style
Greek Revival architecture
Contributing
1 building
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Wikipedia ↗Directions ↗
Foreman–Case House
Franklin Street Stone Arch Bridge▾·
Address
Franklin St. over Old Canal, Delphi
Listed for
Engineering, Transportation
Significance
Local
Also known as
Carroll County Bridge 150
Reference
100006203
Contributing
1 structure
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗Directions ↗
Niewerth Building▾1984
Address
124 E. Main St., Delphi
Listed
May 24, 1984
Listed for
Architecture
Significance
Local
Also known as
Hamling's Tavern
Reference
84001001
Built
1874
Style
Italianate architecture
Contributing
1 building
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Wikipedia ↗Directions ↗
Niewerth Building
North Street Viaduct▾·
Address
North St. overpass at US 421/39/Washington St., Delphi
Listed for
Engineering, Transportation
Significance
Local
Reference
100009295
Contributing
1 structure
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗Directions ↗
South Delphi Historic District▾·
Address
Roughly bounded by the north boundaiy of Riley Park on the north, Prince William Road on the northeast, the alley south of Summit Street on the southeast, and Wabash Street and the west boundary of Riley Park on the south and southwest, Delphi
Listed for
Architecture, Transportation
Significance
Local
Reference
100010027
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗
Washington Street Stone Arch Bridge▾·
Address
Washington St. over Old Canal, Delphi
Listed for
Engineering, Transportation
Significance
Local
Also known as
Old Wabash & Erie Canal Bridge
Reference
100006209
Contributing
1 structure
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗Directions ↗
Washington Street Stone Arch Bridge
Wilson Bridge▾2001
Address
0.6 mi. W of Cty Rd. 450W on Cty Rd. 300N over Deer Creek, Delphi vicinity
Listed
Jun 6, 2001
Listed for
Engineering
Significance
Local
Also known as
Old Royster Rord; CarrollCounty Bridge No. 121
Reference
01000623
Contributing
1 structure
Links
The nomination form is the original nomination as filed with the National Park Service and is often the best description of the place.Nomination form and photographs ↗National Archives copy ↗Wikipedia ↗Directions ↗
Wilson Bridge

Every listing here also appears on its county page for Carroll County.

Nearby cities

Lafayette 35Crawfordsville 16Noblesville 15Indianapolis 266Huntington 19Valparaiso 17

Indiana travel guides

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  • Native American Place Names of Indiana
    Michael McCafferty, 2023
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  • Indiana Off the Beaten Path®
    Phyllis Thomas, 2021
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  • A Guide to Natural Areas of Northern Indiana
    Steven Higgs, 2019
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Titles come from Open Library's catalog, matched by subject heading or by title.