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

National Register listings: 62

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)

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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Outstanding Buildings

1. *Gustav Grauer Log House (1866). 120 Cremins Road. Boles.
2. *James North House (c. 1819/1855). 2733 Road T. Boles.
3. *St. Paul's Evangelical Church (1886). Old US Highway 50, north of US Highway 50. Boone. Razed.
4. *Wilhelm Pelster House-Barn (c. 1860). Cedar Fork Road, east of Buffalo Ridge Road. Lyon.
5. Ebenezer Lutheran Church (1896). 9100 Road YY. Lyon. Romanesque.
6. *Christopher Twelker Farm (1871). 4749 State Route 185. Lyon.
7. *Ebenezer Union Church (1863–1865). 6162 Stone Church Road. Lyon. Gothic Revival.
8. *Voss House (c. 1850). 5106 Noser Mill Road. Meramec.
9. *Voss Mill (c. 1850). 5106 Noser Mill Road. Meramec. Razed.
10. *William Harney House (c. 1870). North Service Road, south of Elmont Road. Meramec. Razed.
11. *Samuel Caldwell Farm (1882–1883). 734 Caldwell Road. St. Johns.
12. *Louis Kohmueller House (c. 1878). 1380 South Lake Shore Drive. St. Johns.
13. James Ming House (c. 1865). 827 Ming Drive. St. Johns.
14. *Mark O'Hara House (c. 1856). 1 South Point Place. St. Johns.
15. *St. Gertrude Catholic Church (1887). 6535 Road YY. Union. Romanesque.