Jones County, Iowa

 

Founding: 1839 (declared in 1837)
Parent county: Dubuque

Namesake: George Jones, Iowa senator
Seat: Edinburgh (1840–1847); Anamosa (1847–)

Land area: 576 square miles

Population (2020): 20,646

Population (historic): 3,007 (1850); 19,731 (1870); 20,233 (1890); 19,050 (1910); 19,206 (1930)

Periods of population growth: pre-1850–1880; 1890s; 1920–1940; 1950s; 1970s; 1990–2010

Subdivisions: Nine cities; two CDPs; 16 townships

Pre-1940 residences (estimated): 2,884 (32.2%)
Pre-1940 housing survival rate: 59%
Pre-1860 housing survival rate (1940): 7.7%

Farm housing in disrepair (1950): 4.5%

Nonfarm housing in disrepair (1950): 4.8%

Average farmhouse value (1930): $2,435
Average outbuilding value (1930): $3,309
Average farmhouse size (1940): 7.1 rooms
Number of farms (1920): 2,090
Average farm size (1920): 132 acres
Sources of settlement: New York, Ohio, Illinois, Pennsylvania, Germany, Ireland, Indiana, and Wisconsin
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Anamosa

Namesake: Unknown

Founding: 1847 (platting as Lexington); 1847 (post office); 1854 (incorporation)

Population (2020): 5,450

Population (historic): 889 (1860); 2,083 (1880); 2,891 (1900); 3,479 (1930)

Periods of population growth: pre-1860–1870; 1890–1910; 1920–1940; 1950s; 1970–2010
Pre-1940 residences (estimated): 504 (22.1%)
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