Dorchester County, Maryland

Founding: 1669
Parent county: Unorganized territory
Namesake: Dorchester, England
Seat: Islington (1669–1670); Harwood's Choice (1673–1687); Cambridge (1687–)
Land area: 541 square miles
Population (2020): 32,531
Population (historic): 15,875 (1790); 18,843 (1840); 19,458 (1870); 27,962 (1900); 26,813 (1930)
Periods of population growth: pre-1790–1810; 1820–1860; 1870–1910; 1930s; 1950s; 1970s; 1990–2010
Subdivisions: One city; eight towns; five CDPs
Pre-1940 residences (estimated): 3,613 (22%)
Pre-1940 housing survival rate: 44.4%
Pre-1860 housing survival rate (1940): 11.7%

Farm housing in disrepair (1950): 16.5%

Nonfarm housing in disrepair (1950): 11.1%

Average farmhouse value (1930): $1,432
Average outbuilding value (1930): $872

Average farmhouse size (1940): 6.2 rooms

Number of farms (1920): 2,019
Average farm size (1920): 58 acres
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Cambridge

 
Namesake: Cambridge, England
Founding: 1684 (platting); 1793 (incorporation); 1800 (post office)
Population (2020): 13,096
Population (historic): 1,862 (1860); 2,262 (1880); 5,747 (1900); 8,544 (1930)
Periods of population growth: pre-1860; 1870–1960; 1970s; 2000–2020
Pre-1940 residences (estimated): 1,825 (27.4%)
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