National Register of Historic Places listings in Ohio

This is a list of properties and districts in Ohio that are listed on the National Register of Historic Places. There are over 4.000 in total. Of these, 73 are National Historic Landmarks. There are listings in each of Ohio's 88 counties.

The locations of National Register properties and districts (at least for all showing latitude and longitude coordinates below), may be seen in an online map by clicking on "Map of all coordinates".^[a]

This National Park Service list is complete through NPS recent listings posted September 13, 2024.^[1]

Current listings by county

The following are approximate tallies of current listings by county. These counts are based on entries in the National Register Information Database as of April 24, 2008^[2] and new weekly listings posted since then on the National Register of Historic Places web site.^[3] There are frequent additions to the listings and occasional delistings and the counts here are approximate and not official. New entries are added to the official Register on a weekly basis.^[4] Also, the counts in this table exclude boundary increase and decrease listings which modify the area covered by an existing property or district and which carry a separate National Register reference number.

Franklin Park Conservatory, in Franklin County

	County	# of Sites
1	Adams	16
2	Allen	31
3	Ashland	19
4	Ashtabula	41
5	Athens	29
6	Auglaize	24
7	Belmont	28
8	Brown	26
9	Butler	93
10	Carroll	12
11	Champaign	35
12	Clark	42
13	Clermont	28
14	Clinton	18
15	Columbiana	45
16	Coshocton	20
17	Crawford	26
18.1	Cuyahoga: Cleveland	276
18.2	Cuyahoga: Other	164
18.3	Cuyahoga: Duplicates	4^[b]
18.4	Cuyahoga: Total	436
19	Darke	26
20	Defiance	12
21	Delaware	60
22.1	Erie: Sandusky	114
22.2	Erie: Other	65
22.3	Erie: Total	179
23	Fairfield	50
24	Fayette	17
25.1	Franklin: Columbus	178
25.2	Franklin: Other	178
25.3	Franklin: Total	356
26	Fulton	7
27	Gallia	8
28	Geauga	18
29	Greene	45
30	Guernsey	22
31.1a	Hamilton: Cincinnati: Downtown	61
31.1b	Hamilton: Cincinnati: East	133
31.1c	Hamilton: Cincinnati: West	96
31.1d	Hamilton: Cincinnati: Duplicates	(1)^[c]
31.1e	Hamilton: Cincinnati: Total	289
31.2	Hamilton: Other	99
31.3	Hamilton: Total	388
32	Hancock	14
33	Hardin	7
34	Harrison	7
35	Henry	4
36	Highland	27
37	Hocking	14
38	Holmes	16
39	Huron	18
40	Jackson	14
41	Jefferson	25
42	Knox	45
43	Lake	81
44	Lawrence	20
45	Licking	64
46	Logan	10
47	Lorain	124
48	Lucas	99
49	Madison	11
50	Mahoning	75
51	Marion	19
52	Medina	32
53	Meigs	9
54	Mercer	30
55	Miami	45
56	Monroe	10
57.1	Montgomery: Dayton	115
57.2	Montgomery: Other	44
57.2	Montgomery: Duplicates	(1)^[d]
57.4	Montgomery: Total	158
58	Morgan	6
59	Morrow	15
60	Muskingum	84
61	Noble	11
62	Ottawa	31
63	Paulding	5
64	Perry	14
65	Pickaway	33
66	Pike	8
67	Portage	49
68	Preble	20
69	Putnam	10
70	Richland	68
71	Ross	45
72	Sandusky	12
73	Scioto	42
74	Seneca	45
75	Shelby	20
76	Stark	91
77.1	Summit: Akron	63
77.2	Summit: Other	125
77.3	Summit: Duplicates	1^[e]
77.4	Summit: Total	187
78	Trumbull	38
79	Tuscarawas	25
80	Union	10
81	Van Wert	8
82	Vinton	11
83	Warren	54
84	Washington	37
85	Wayne	21
86	Williams	7
87	Wood	33
88	Wyandot	10
(duplicates)		(21)^[f]
Total:		4,162

Huffman Field, National Historic Landmark in Greene County

Tyler Davidson Fountain, in Hamilton County

Notes

^ The latitude and longitude information provided in this table was derived originally from the National Register Information System, which has been found to be fairly accurate for about 99% of listings. Some locations in this table may have been corrected to current GPS standards.
^ Fairhill Road Village Historic District (Cleveland and Cleveland Heights), Garfield Memorial (Cleveland and Cleveland Heights), Shaker Village Historic District (Cleveland, Cleveland Heights, and Shaker Heights), Woodland-Larchmere Commercial Historic District (Cleveland and Shaker Heights)
^ The Over-the-Rhine Historic District is split between eastern and western Cincinnati.
^ Miami Valley Golf Course and Clubhouse
^ The Valley Railway Historic District is split between Akron and several other communities in Summit County.
^ The following sites are listed in multiple counties: Adams-Gray House (Coshocton and Muskingum), Brecksville-Northfield High Level Bridge (Cuyahoga and Summit), Dean Road Bridge (Erie and Lorain), Hocking Valley Railway Historic District (Athens and Hocking), Interurban Bridge (Lucas and Wood), Jaite Mill Historic District (Cuyahoga and Summit), Lockington Locks Historical Area (Miami and Shelby), Lynchburg Covered Bridge (Clinton and Highland), Miami and Erie Canal Deep Cut (Allen and Auglaize), Muskingum River Navigation Historic District (Coshocton, Morgan, Muskingum, and Washington), Ohio and Erie Canal (Cuyahoga and Summit), Plymouth Historic District (Huron and Richland), Seven Ranges Terminus (Carroll, Stark, and Tuscarawas), Station Road Bridge (Cuyahoga and Summit), and Valley Railway Historic District (Cuyahoga and Summit), Ohio & Erie Canal Southern Descent Historic District (Fairfield, Franklin, Pickaway and Scioto).