Marion County, Ohio

Founding: 1824 (declared in 1820)
Parent county: Unorganized territory

Namesake: Francis Marion, Continental Army officer
Seat: Marion (1824–)

Land area: 404 square miles

Population (2020): 65,359

Population (historic): 6,551 (1830); 15,490 (1860); 20,565 (1880); 28,678 (1900); 45,420 (1930)

Periods of population growth: 1820–1840; 1850s; 1870–1920; 1940–1960

Subdivisions: One city; seven villages; 15 townships

National Register listings: 15

Pre-1940 residences (estimated): 8,976 (32.3%)
Pre-1940 housing survival rate: 65.7%
Pre-1860 housing survival rate (1940): 12.2%

Farm housing in disrepair (1950): 2.2%

Nonfarm housing in disrepair (1950): 4.1%

Average farmhouse value (1930): $1,936
Average outbuilding value (1930): $1,591

Average farmhouse size (1940): 6.9 rooms
Number of farms (1920): 1,997
Average farm size (1920): 108.7 acres
Sources of settlement: Pennsylvania, Germany, New York, Virginia, Ireland, and England
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Marion

Namesake: Francis Marion, Continental Army officer

Founding: 1822 (platting); 1821 (post office)

Population (2020): 35,999

Population (historic): 287 (1830); 1,844 (1860); 3,899 (1880); 11,862 (1900); 31,084 (1930)

Periods of population growth: 1830–1930; 1940–1960
Pre-1940 residences (estimated): 5,830 (38.6%)

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Outstanding Buildings

1. Wilson Imbody House (c. 1880). 1480 Mount Olive–Agosta Road. Bowling Green. Italianate.
2. Farm (1909). 2454 Richwood–LaRue Road. Bowling Green. Eclectic.
3. *Obadiah Miller House (c. 1875). 5020 Marion–Mount Gilead Road. Claridon. Italianate.
4. Jacob Howser Farm (1882). 4115 Williams Road. Claridon. Italianate.
5. *Nehemiah Davis House (1876). 6532 Marseilles–Galion Road. Grand. Gothic Revival.
6. *Andrew Bretz Farm (c. 1875). 197 Morral–Kirkpatrick Road. Grand Prairie. Italianate.
7. House (1932). 2150 Marion–Bucyrus Road. Marion. Tudor Revival.
8. *Elkana Coon Farm (c. 1875). 2347 Marion–Upper Sandusky Road. Marion. Italianate.