Champaign County, Ohio

Founding: 1805
Parent counties: Franklin and Greene

Namesake: The French word champagne ("plain")
Seat: Springfield (1805–1807); Urbana (1807–)

Land area: 429 square miles

Population (2020): 38,714

Population (historic): 6,303 (1810); 19,782 (1850); 27,817 (1880); 26,642 (1900); 24,103 (1930)

Periods of population growth: pre-1810–1880; 1930–2010

Subdivisions: One city; six villages; one CDP; 12 townships

National Register listings: 36

Pre-1940 residences (estimated): 4,799 (28.7%)
Pre-1940 housing survival rate: 68.5%
Pre-1860 housing survival rate (1940): 22.7%

Farm housing in disrepair (1950): 6%

Nonfarm housing in disrepair (1950): 7.9%

Average farmhouse value (1930): $1,683
Average outbuilding value (1930): $1,718
Average farmhouse size (1940): 7 rooms
Number of farms (1920): 2,481
Average farm size (1920): 89.1 acres
Sources of settlement: Virginia, Pennsylvania, Kentucky, Vermont, and Connecticut
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Urbana

Named for: Unclear—likely derived from the Latin word urbs ("city")

Founding: 1805 (platting); 1809 (post office); 1865 (incorporation)

Population (2020): 11,115

Population (historic): 644 (1820); 3,429 (1860); 6,808 (1900); 7,742 (1930)

Periods of population growth: 1805–1830; 1840–1910; 1920–1970; 1980–2010
Pre-1940 residences (estimated): 1,978 (35.5%)
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Outstanding Buildings

1. Martin Loudenback Farm (c. 1830). 2089 State Route 560. Concord. Federal.
2. Jacob Idle Log House. 2782 Concord Pike. Concord. Razed.
3. *Horr Farm (c. 1855). 129 South Main Street. Goshen. Italianate/Greek Revival.
4. House (1909). 10331 Rosedale Road. Goshen. Classical Revival.
5. Duncan Thackery Farm (c. 1830). 5000 North Hampton–Donnelsville Road. Jackson.
6. William West House (c. 1860). 1833 West Road. Jackson. Italianate.
7. John Weller Farm (c. 1850). 2108 Heck Hill Road. Johnson.
8. Jesse Goddard House (1831). 7349 Grayson Drive. Mad River.
9. George Kite House (c. 1835). Neal Road, north of US Highway 36. Mad River. Razed.
10. Daniel Blose Farm (c. 1835). 1709 State Route 560. Mad River. Federal.
11. *Simon Beery House (c. 1865). 2724 US Highway 36. Mad River. Italianate.
12. *Archibald McGrew House (c. 1813). 3488 US Highway 36. Mad River.
13. Simon Whitmore Farm (c. 1865). 5810 US Highway 36. Mad River. Italianate.
14. *Lincoln Farm (1883). 3872 Martin Road. Rush. Italianate.
15. Moulton Farm (1823). 1091 McMahill Road. Rush.
16. Bela Kimball House (1829). 459 State Route 559. Rush.
17. Bela Kimball Farm (c. 1845). 644 State Route 559. Rush. Greek Revival.
18. *Nutwood Place / William Ward Farm (c. 1815). 1428 Nutwood Place. Salem. Federal.
19. William Gest Farm (c. 1874). 2529 State Route 245. Salem. Italianate.
20. *Mount Tabor Methodist Church (1881). State Route 245. Salem. Gothic Revival.
21. *Samuel Black Farm (c. 1845). 7419 Upper Valley Pike. Salem. Greek Revival.
22. John Ropp Farm (c. 1875). 5448 State Route 4. Union. Italianate.
23. *Jacob Van Meter Farm (c. 1835). 6874 State Route 54. Union. Federal.
24. *Maurice Valentine Farm (c. 1870). 1751 Dugan Road. Urbana. Italianate.
25. *Hill House (1874). 610 South Edgewood Avenue. Urbana. Italianate.
26. Samuel Hedges House (c. 1820). Pisgah Road, east of State Route 54. Urbana.
27. Farm (c. 1910). 4440 Prairie Road. Urbana. Classical Revival.
28. Robert Donovan Farm (1829). 3181 US Highway 68. Urbana.
29. *James Dallas House (c. 1820). 3841 US Highway 68. Urbana. Federal.
30. Jonas Hedges Farm (c. 1820). 4729 Urbana–Moorefield Pike. Urbana. Federal.
31. *Jesse Johnston House (c. 1835). 980 Woodburn Road. Urbana.
32. Daniel Bates House (c. 1855). 7686 State Route 245. Wayne. Gothic Revival.