Franklin County, Missouri

Founding: 1819
Parent county: St. Louis

Namesake: Benjamin Franklin, Founding Father
Seat: Newport (1818–1827); Union (1827–)

Land area: 923 square miles

Population (2020): 104,682

Population (historic): 2,379 (1820); 11,021 (1850); 30,098 (1870); 30,581 (1900); 30,519 (1930)

Periods of population growth: pre-1820–1870; 1880–1900; 1920–2020

Subdivisions: Eight cities; four villages; two CDPs; ten townships

Pre-1940 residences (estimated): 4,350 (9.8%)
Pre-1940 housing survival rate: 47.3%
Pre-1860 housing survival rate (1940): 9.4%

Farm housing in disrepair (1950): 8.8%

Nonfarm housing in disrepair (1950): 6.8%

Average farmhouse value (1930): $1,263
Average outbuilding value (1930): $955

Average farmhouse size (1940): 4.9 rooms
Number of farms (1920): 3,845
Average farm size (1920): 75.6 acres
Sources of settlement: Germany, Virginia, and Kentucky

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Union

Namesake: A traditional name

Founding: 1826 (platting); 1827 (post office); 1848 (incorporation)

Population (2020): 12,348

Population (historic): 402 (1880); 744 (1900); 2,143 (1930)

Periods of population growth: pre-1880–1930; 1940–1970; 1990–2020
Pre-1940 residences (estimated): 349 (7.6%)

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