Marion County, West Virginia

Founding: 1842
Parent counties: Harrison and Monongalia

Namesake: Francis Marion, Continental Army officer
Seat: Fairmont (1842–)

Land area: 309 square miles

Population (2020): 56,205

Population (historic): 10,552 (1850); 12,107 (1870); 20,721 (1890); 42,794 (1910); 66,655 (1930)

Periods of population growth: pre-1850–1860; 1870–1950; 1970s

Subdivisions: Three cities; eight towns; three CDPs

Pre-1940 residences (estimated): 7,756 (29.4%)
Pre-1940 housing survival rate: 47%
Pre-1860 housing survival rate (1940): 15.2%

Farm housing in disrepair (1950): 18.5%

Nonfarm housing in disrepair (1950): 10.2%

Average farmhouse value (1930): $1,295
Average outbuilding value (1930): $585
Average farmhouse size (1940): 5 rooms
Number of farms (1920): 2,233
Average farm size (1920): 52.7 acres
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Fairmont

Namesake: A reference to the city's view of the Monongahela River

Founding: 1817 (platting as Middletown); 1820 (incorporation)

Population (2020): 18,416

Population (historic): 683 (1850); 621 (1870); 1,023 (1890); 9,711 (1910); 23,159 (1930)

Periods of population growth: pre-1850–1860; 1870–1930; 1940s
Pre-1940 residences (estimated): 3,295 (37%)
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Outstanding Buildings

1. House (c. 1880). 1009 Booth's Creek Road. Italianate.
2. George Morgan House (1857–1860). 481 Frederick Road. Greek Revival.
3. James Lanham House (c. 1820). 227 Lanham Lane.
4. Harrison Manley House (c. 1875). 337 Manley Chapel Road. Italianate.

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