Jones County, South Dakota

Founding: 1917 (declared in 1916)
Parent county: Lyman
Namesake: George Jones, Iowa politician
Seat: Murdo (1917–)
Land area: 970 square miles
Population (2020): 917
Population (historic): 3,004 (1920); 3,177 (1930); 2,509 (1940)
Periods of population growth: pre-1920–1930
Subdivisions: One city; one town; one CDP; 13 townships; four territories
National Register listings: Six
Pre-1940 residences (estimated): 118 (20.3%)
Pre-1940 housing survival rate: 16.7%

Farm housing in disrepair (1950): 29.6%

Nonfarm housing in disrepair (1950): 9.3%

Average farmhouse value (1930): $758
Average outbuilding value (1930): $744

Average farmhouse size (1940): 4.1 rooms

Number of farms (1920): 484
Average farm size (1920): 367.5 acres
Sources of settlement: South Dakota, Iowa, Illinois, Nebraska, Germany, and Norway
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Murdo

 
Namesake: Murdo MacKenzie, Colorado cattleman
Founding: 1906 (platting); 1906 (post office); 1908 (incorporation)
Population (2020): 475
Population (historic): 372 (1910); 500 (1920); 619 (1930)
Periods of population growth: pre-1910–1970
Pre-1940 residences (estimated): 83 (23.9%)
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