Belmont County, Ohio

Founding: 1801
Parent counties: Jefferson and Washington

Naming: A traditional name—French for "beautiful mountain"
Seat: Pultney (1801–1803); St. Clairsville (1803–)

Land area: 532 square miles

Population (2020): 66,497

Population (historic): 11,097 (1810); 34,600 (1850); 49,638 (1880); 60,875 (1900); 94,719 (1930)

Periods of population growth: pre-1800–1940; 1970s

Subdivisions: Two cities; 14 villages; six CDPs; 16 townships

National Register listings: 28

Pre-1940 residences (estimated): 10,523 (32.6%)
Pre-1940 housing survival rate: 41.8%
Pre-1860 housing survival rate (1940): 22.1%

Farm housing in disrepair (1950): 11.4%

Nonfarm housing in disrepair (1950): 9%
Average farmhouse value (1930): $1,326
Average outbuilding value (1930): $841
Average farmhouse value (1940): 6 rooms
Number of farms (1920): 3,556
Average farm size (1920): 66.1 acres
Sources of settlement: Pennsylvania, Maryland, Virginia, Ireland, and Switzerland
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St. Clairsville

Namesake: Arthur St. Clair, governor of the Northwest Territory

Founding: circa 1799 (platting as Newellstown); 1801 (post office)

Population (2020): 5,096

Population (historic): 431 (1810); 1,025 (1850); 1,128 (1880); 1,210 (1900); 2,440 (1930)

Periods of population growth: pre-1800–1850; 1860–1980; 2000s
Pre-1940 residences (estimated): 419 (16.7%)
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Outstanding Buildings

1. James McComas House (c. 1875). 70581 Colerain Road. Colerain. Italianate. Razed.
2. *John Patterson House (c. 1800/1812). National Road, northeast of Crosley Road. Colerain. Razed.
3. *Charles Fox Farm (c. 1830/1855). 53701 Quaker Lane. Colerain. Federal.
4. *Steven Bolan House (c. 1830). 39589 Everett Turner Road. Goshen.
5. Franklin Patterson House (c. 1895). 61190 Hunter–Bethesda Road. Goshen. Eastlake.
6. *William Tolbert House (c. 1835). 66539 Old National Road. Kirkwood.
7. John Mitchell House. Deep Run Road, south of Short Creek Road. Pease. Razed.
8. *William Van Pelt House (c. 1850). 57513 Ferryview Road. Pease. Greek Revival.
9. George Wise House (c. 1875). 66845 Kirkwood Heights Road. Pultney. Italianate.
10. Peter Neff Farm (c. 1875). 64839 Sand Hill Road. Pultney. Italianate.
11. *George Neff House (c. 1850). 53439 Stewartsville–Neffs Road. Pultney. Greek Revival.
12. *Belmont County Infirmary (1872–1873). 68323 Bannock Road. Richland. Italianate.
13. *William George Farm (c. 1855). 68895 Lloydsville–Bannock Road. Richland. Italianate.
14. *Samuel Robinson Tavern (1828). 45101 National Road. Richland. Federal.
15. Elijah Pickering House (c. 1850). 47465 National Road. Richland. Greek Revival.
16. *Calvin Patton House (1877). 48185 National Road. Richland. Second Empire.
17. *Lewis Sutton House (c. 1875). 51701 National Road. Richland. Second Empire.
18. *Robert Hammond House (1864). 68110 National Road. Richland. Italianate.
19. *John Neff Farm (1879). 63310 Sand Hill Road. Richland. Italianate.
20. *James Kinney Farm (1863). 44680 Belmont–Centerville Road. Smith. Greek Revival/Italianate.
21. James Gladden House (c. 1875). 47423 Centerville–Jacobsburg Road. Smith. Italianate.
22. *Samuel Wallace House (c. 1850). 60760 Walters Road. Smith. Greek Revival/Italianate.
23. *School (c. 1870). 38984 National Road. Union. Italianate.
24. *John Shepherd House (c. 1830). 39589 National Road. Union. Federal. Razed.
25. *John Phillips House (c. 1820). Lowe Road, east of Fairview Road. Warren. Razed.
26. *Stillwater Friends Meeting House (1878). 61826 Sandy Ridge Road. Warren.
27. Edwin Doudna House (c. 1885). 61858 Tacoma Road. Warren. Italianate. Razed.
28. Josiah Doudna House (c. 1885). 61895 Tacoma Road. Warren. Italianate. Razed.
29. *Benjamin Dickey House (c. 1825). 48637 Stone House Road. Wheeling.
30. *David Ruble Log House (c. 1805). Captina Highway, southeast of Dover Ridge Road. York. Burned.