This is a list of the National Register of Historic Places listings in Adams County, Pennsylvania.

This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Adams County, Pennsylvania, United States. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in a map.^[1]

There are 35 properties and districts listed on the National Register in the county. One site is further designated as a National Historic Site and another is designated as a National Military Park. Another property was once listed but has been removed.

          This National Park Service list is complete through NPS recent listings posted February 9, 2024.^[2]

Current listings

[3]	Name on the Register	Image	Date listed[4]	Location	Municipality	Description
1	John Abbott House		February 22, 1980 (#80003394)	East King Street 39°53′14″N 76°58′55″W / 39.887222°N 76.981944°W / 39.887222; -76.981944 (John Abbott House)	Abbottstown
2	Adams County Courthouse	More images	October 1, 1974 (#74001728)	Baltimore and West Middle Streets 39°49′46″N 77°13′53″W / 39.829583°N 77.231389°W / 39.829583; -77.231389 (Adams County Courthouse)	Gettysburg
3	Black Horse Tavern		March 30, 1978 (#78002331)	West of Gettysburg on Pennsylvania Route 116 39°49′08″N 77°17′02″W / 39.818889°N 77.283889°W / 39.818889; -77.283889 (Black Horse Tavern)	Cumberland Township
4	Bridge in Cumberland Township		June 22, 1988 (#88000866)	Legislative Route 01002 over Marsh Creek, near Greenmount 39°45′27″N 77°17′06″W / 39.7575°N 77.285°W / 39.7575; -77.285 (Bridge in Cumberland Township)	Cumberland and Freedom Townships
5	Carbaugh Run Rhyolite Quarry Site (36AD30)	Upload image	January 15, 1986 (#86000817)	Atop Snaggy Ridge, west of Carbaugh Run[5] 39°53′02″N 77°27′26″W / 39.884°N 77.4573°W / 39.884; -77.4573 (Carbaugh Run Rhyolite Quarry Site (36AD30))	Franklin Township
6	Cline's Church of the United Brethren in Christ	More images	August 22, 2002 (#02000894)	Cline's Church Road, 0.5 miles (0.80 km) south of Pennsylvania Route 34, near Menallen 40°00′02″N 77°13′14″W / 40.000556°N 77.220556°W / 40.000556; -77.220556 (Cline's Church of the United Brethren in Christ)	Menallen Township
7	Conewago Chapel	More images	January 29, 1975 (#75001604)	3 miles (4.8 km) northwest of Hanover 39°49′08″N 77°02′17″W / 39.818889°N 77.038056°W / 39.818889; -77.038056 (Conewago Chapel)	Conewago Township
8	Dobbin House		March 26, 1973 (#73001584)	89 Steinwehr Avenue 39°49′22″N 77°13′58″W / 39.822778°N 77.232778°W / 39.822778; -77.232778 (Dobbin House)	Gettysburg
9	East Berlin Historic District	More images	September 30, 1985 (#85002693)	Portions of King, Harrisburg, and Abbottstown Streets 39°56′17″N 76°58′56″W / 39.938056°N 76.982222°W / 39.938056; -76.982222 (East Berlin Historic District)	East Berlin
10	Eisenhower National Historic Site	More images	November 27, 1967 (#67000017)	200 Eisenhower Farm Lane, near Gettysburg 39°47′45″N 77°16′02″W / 39.795833°N 77.267222°W / 39.795833; -77.267222 (Eisenhower National Historic Site)	Cumberland Township
11	Fairfield Historic District		May 18, 2000 (#00000518)	Roughly bounded by Landis Drive, Steelman Street, Wortz Drive, and the northwestern borough boundary 39°47′36″N 77°22′10″W / 39.793333°N 77.369444°W / 39.793333; -77.369444 (Fairfield Historic District)	Fairfield
12	Fairfield Inn		April 2, 1973 (#73001583)	Main Street 39°47′13″N 77°22′11″W / 39.787°N 77.369597°W / 39.787; -77.369597 (Fairfield Inn)	Fairfield
13	Gettysburg Armory	More images	April 18, 1990 (#90000422)	315 West Confederate Avenue 39°49′37″N 77°14′38″W / 39.826944°N 77.243889°W / 39.826944; -77.243889 (Gettysburg Armory)	Gettysburg
14	Gettysburg Battlefield Historic District	More images	March 19, 1975 (#75000155)	Town of Gettysburg and its environs 39°48′59″N 77°13′49″W / 39.816389°N 77.230278°W / 39.816389; -77.230278 (Gettysburg Battlefield Historic District)	Cumberland Township, Gettysburg, and Highland Township
15	Gettysburg National Military Park	More images	October 15, 1966 (#66000642)	Gettysburg National Military Park, near Gettysburg 39°48′43″N 77°14′39″W / 39.811944°N 77.244167°W / 39.811944; -77.244167 (Gettysburg National Military Park)	Cumberland, Highland, and Straban Townships
16	Great Conewago Presbyterian Church	More images	December 27, 1974 (#74001730)	Church Road, near Hunterstown 39°53′15″N 77°09′46″W / 39.8875°N 77.162778°W / 39.8875; -77.162778 (Great Conewago Presbyterian Church)	Straban Township
17	Heikes Covered Bridge		August 25, 1980 (#80003396)	North of Heidlersburg on Township 5857 39°58′41″N 77°08′47″W / 39.978056°N 77.146389°W / 39.978056; -77.146389 (Heikes Covered Bridge)	Huntington and Tyrone Townships
18	Horner House and Barn		May 24, 2007 (#07000468)	20 Horner Road 39°43′41″N 77°14′59″W / 39.728056°N 77.249722°W / 39.728056; -77.249722 (Horner House and Barn)	Cumberland Township
19	Hunterstown Historic District		May 15, 1979 (#79002154)	Pennsylvania Route 394 and Granite Station Road, in Hunterstown 39°53′03″N 77°09′36″W / 39.884167°N 77.16°W / 39.884167; -77.16 (Hunterstown Historic District)	Straban Township
20	Jacks Mountain Covered Bridge	More images	August 25, 1980 (#80003397)	Southwest of Fairfield on Legislative Route 01053, near Iron Springs 39°46′01″N 77°23′13″W / 39.766944°N 77.386944°W / 39.766944; -77.386944 (Jacks Mountain Covered Bridge)	Carroll Valley and Hamiltonban Township
21	John's Burnt Mill Bridge		December 16, 1974 (#74001731)	Southwest of New Oxford on Township 428 39°49′56″N 77°04′47″W / 39.832222°N 77.079722°W / 39.832222; -77.079722 (John's Burnt Mill Bridge)	Mount Pleasant and Oxford Townships
22	Lower Marsh Creek Presbyterian Church		October 15, 1980 (#80003399)	Southeast of Orrtanna on Legislative Route 01002 39°48′42″N 77°19′59″W / 39.811667°N 77.333056°W / 39.811667; -77.333056 (Lower Marsh Creek Presbyterian Church)	Highland Township
23	Lutheran Theological Seminary-Old Dorm	More images	May 3, 1974 (#74001729)	Seminary Ridge, Lutheran Theological Seminary campus 39°49′55″N 77°14′41″W / 39.831944°N 77.244722°W / 39.831944; -77.244722 (Lutheran Theological Seminary-Old Dorm)	Gettysburg
24	Mason and Dixon West Line Milestone Markers 76 and 77	Upload image	August 21, 2018 (#100002789)	716 Mason Dixon Rd. 39°43′12″N 77°13′15″W / 39.720000°N 77.220833°W / 39.720000; -77.220833 (Mason and Dixon West Line Milestone Markers 76 and 77)	Cumberland Township	Extends into Frederick County, Maryland
25	Jacob and Juliana Middlekauff House		January 17, 2017 (#100000500)	530 Flohrs Church Rd. 39°52′23″N 77°20′29″W / 39.872970°N 77.341371°W / 39.872970; -77.341371 (Jacob and Juliana Middlekauff House)	Franklin Township
26	Pennsylvania Hall, Gettysburg College	More images	March 16, 1972 (#72001087)	Gettysburg College campus 39°50′06″N 77°14′05″W / 39.835°N 77.234722°W / 39.835; -77.234722 (Pennsylvania Hall, Gettysburg College)	Gettysburg
27	Pleasant Grove School	More images	September 4, 2012 (#12000603)	4084 Baltimore Pike, Germantown 39°45′51″N 77°08′16″W / 39.764041°N 77.137649°W / 39.764041; -77.137649 (Pleasant Grove School)	Mount Joy Township	part of the Educational Resources of Pennsylvania Multiple Property Submission (MPS)
28	Pond Mill Bridge		June 22, 1988 (#88000816)	Legislative Route 01009 over Bermudian Creek, near Bermudian 39°59′45″N 77°03′31″W / 39.995833°N 77.058611°W / 39.995833; -77.058611 (Pond Mill Bridge)	Latimore Township
29	Rock Creek-White Run Union Hospital Complex		May 18, 2000 (#00000520)	Baltimore Pike, Goulden Road, and White Church Road, near Mount Joy 39°47′20″N 77°11′59″W / 39.788889°N 77.199722°W / 39.788889; -77.199722 (Rock Creek-White Run Union Hospital Complex)	Cumberland Township, Gettysburg, and Mount Joy Township
30	Sauck's Covered Bridge	More images	August 25, 1980 (#80003395)	Waterworks Road over Marsh Creek 39°47′51″N 77°16′35″W / 39.7975°N 77.276389°W / 39.7975; -77.276389 (Sauck's Covered Bridge)	Cumberland and Freedom Townships
31	Sheads House	More images	December 8, 1976 (#76001592)	331 Buford Avenue 39°50′03″N 77°14′35″W / 39.834167°N 77.243056°W / 39.834167; -77.243056 (Sheads House)	Gettysburg
32	Spangler-Benner Farm	More images	October 29, 1992 (#92001493)	230 Benner Road, near Gettysburg 39°44′39″N 77°13′34″W / 39.744167°N 77.226111°W / 39.744167; -77.226111 (Spangler-Benner Farm)	Mount Joy Township
33	Thomas Brothers Store		August 15, 2008 (#08000780)	4 South Main Street 39°55′49″N 77°14′53″W / 39.93032°N 77.24792°W / 39.93032; -77.24792 (Thomas Brothers Store)	Biglerville
34	Wirts House		January 22, 1992 (#91002010)	798 Schrivers Corner Road (Pennsylvania Route 394), near Gettysburg 39°53′45″N 77°11′58″W / 39.895833°N 77.199444°W / 39.895833; -77.199444 (Wirts House)	Straban Township
35	John Zeigler Farm House	Upload image	May 7, 1992 (#92000395)	1281 Mountain Road, near York Springs 40°02′56″N 77°07′02″W / 40.048889°N 77.117222°W / 40.048889; -77.117222 (John Zeigler Farm House)	Latimore Township

Former listings