Trumbull County, Ohio

Founding: 1800
Parent counties: Jefferson and Wayne

Namesake: Jonathan Trumbull, Connecticut governor
Seat: Warren (1801–)

Land area: 618 square miles

Population (2020): 201,977

Population (historic): 1,302 (1800); 30,490 (1850); 44,880 (1880); 46,591 (1900); 123,063 (1930)

Periods of population growth: pre-1800–1840; 1860–1880; 1890–1980

Subdivisions: Five cities; six villages; 16 CDPs; 24 townships

National Register listings: 38

Pre-1940 residences (estimated): 18,225 (19%)
Pre-1940 housing survival rate: 58.7%
Pre-1860 housing survival rate (1940): 31.7%

Farm housing in disrepair (1950): 6%

Nonfarm housing in disrepair (1950): 6.1%

Average farmhouse value (1930): $2,004
Average outbuilding value (1930): $1,357

Average farmhouse size (1940): 6.7 rooms
Number of farms (1920): 3,911
Average farm size (1920): 53.2 acres
Sources of settlement: Pennsylvania, Connecticut, New York, and Ireland
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Warren

Namesake: Moses Warren, surveyor

Founding: 1798 (platting); 1801 (post office)

Population (2020): 39,201

Population (historic): 435 (1820); 2,402 (1860); 4,428 (1880); 8,529 (1900); 41,062 (1930)

Periods of population growth: pre-1820–1970
Pre-1940 residences (estimated): 4,866 (23.9%)
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Outstanding Buildings

1. *David Marvin House (1856). 3361 Warren–Meadville Road. Bazetta. Greek Revival.
2. *Cyrus Snyder House (c. 1870). 9135 Painesville–Warren Road. Bloomfield. Italianate.
3. *Ephraim Brown House (1836–1838). 7121 Park West Road. Bloomfield. Greek Revival.
4. *Wesley Mason Farm (c. 1860). 1074 State Route 534. Braceville. Gothic Revival.
5. *Franklin Corey House (1869). 6077 State Route 45. Bristol. Italianate.
6. *William Woodrow House (1828). 130 East Champion Avenue. Champion.
7. *David Belden House (c. 1835). 5186 State Route 88. Farmington. Greek Revival.
8. *John Trowbridge House (c. 1860). 2627 Youngstown–Kingsville Road. Fowler. Gothic Revival.
9. *John Sloan Farm (c. 1875). 9060 Dennison–Ashtabula Road. Greene. Italianate.
10. *John Harrington Farm (c. 1855). 9834 Dennison–Ashtabula Road. Greene. Gothic Revival. Razed.
11. *Liberty Raymond House (c. 1860). 2281 Kinsman Road. Greene. Italianate.
12. *Hubbard House (1876). 8441 State Route 46. Greene. Italianate.
13. *Rufus Beman House (1837). 9837 Stoddard–Hayes Road. Gustavus. Federal.
14. *David Lane House (c. 1845). 4548 State Route 7. Hartford. Greek Revival.
15. *Anna Snyder Farm (c. 1855). 8293 Thompson–Sharpsville Road. Hartford. Gothic Revival.
16. *Isaac Troxell House (c. 1845). 872 North Road. Howland. Greek Revival.
17. *McLain House (c. 1825). 6071 Youngstown–Hubbard Road. Hubbard. Federal.
18. *John Andrews Farm (c. 1835). 6715 Kinsman–Nickerson Road. Kinsman. Greek Revival.
19. *John Wallace House (1886). 909 Kinsman–Pymatuning Road. Kinsman. Stick.
20. *Edwin Yeomans Farm (c. 1885). 7738 Orangeville–Kinsman Road. Kinsman. Eclectic.
21. *George Swift House (1828/1905). 8426 State Road. Kinsman. Federal.
22. *Peter Allen House (1821). 8581 State Road. Kinsman. Federal.
23. *Thomas Gibson House (c. 1845). 7522 Warren–Meadville Road. Kinsman. Greek Revival.
24. *Henry Lillie House (c. 1825). 8925 Youngstown–Conneaut Road. Kinsman. Federal.
25. *Hermen Love House (c. 1875). 5845 State Route 46. Mecca. Second Empire.
26. *Nathan Buck House (c. 1875). 6935 State Route 46. Mecca. Italianate.
27. *Augustus Stevens House (c. 1845). East River Road, south of Eastwood Road. Newton. Greek Revival. Razed.
28. *William Brownlee House (c. 1870). 5787 Bradley–Brownlee Road. Vernon. Italianate.
29. *Andrew Storier Farm (c. 1885). 6899 Orangeville–Kinsman Road. Vernon. Italianate/Eastlake.
30. *George Fell House (c. 1845). Orangeville–Kinsman Road, south of Rutledge Road. Vernon. Greek Revival.
31. *Harvey Trunkey House (c. 1865). 4824 Youngstown–Conneaut Road. Vernon. Gothic Revival.
32. *Martin Witt Farm (c. 1870). 6896 Youngstown–Conneaut Road. Vernon. Italianate.
33. *James Mackey House (c. 1840). 652 Candywood Lane. Vienna. Greek Revival.
34. *Jacob May House (c. 1840). 3708 Four Mile Run Road. Weathersfield. Greek Revival.