Johnson County, Indiana

 

Founding: 1823
Parent county: Unorganized territory

Namesake: John Johnson, Indiana supreme court justice
Seat: Franklin (1823–)

Land area: 320 square miles

Population (2020): 161,765

Population (historic): 4,019 (1830); 14,854 (1860); 19,537 (1880); 20,223 (1900); 21,706 (1930)

Periods of population growth: pre-1830–2020

Subdivisions: Two cities; six towns; nine townships

Pre-1940 residences (estimated): 4,400 (7.4%)
Pre-1940 housing survival rate: 64.1%
Pre-1860 housing survival rate (1940): 8.7%

Farm housing in disrepair (1950): 5.3%

Nonfarm housing in disrepair (1950): 6.3%

Average farmhouse value (1930): $1,824
Average outbuilding value (1930): $1,308

Average farmhouse size (1940): 5.8 rooms
Number of farms (1920): 2,051
Average farm size (1920): 80.2 acres
Sources of settlement: Kentucky, Ohio, Virginia, and North Carolina

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Franklin

Namesake: Benjamin Franklin, Founding Father

Founding: 1823 (platting); 1824 (post office); 1861 (incorporation)

Population (2020): 25,313

Population (historic): 882 (1850); 2,707 (1870); 4,005 (1900); 5,682 (1930)

Periods of population growth: pre-1850–2020
Pre-1940 residences (estimated): 1,389 (13.7%)

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