Dewey County is named for W P Dewey, who was a pioneer in the region.
Created: January 8, 1873
County Seat:
Timber Lake 1883 – present
County Courthouse – Timber Lake
Location: 710 C Street / 8th Street
Built: 1959 – 1960
Style: Modern
Architect: Marion E Smith
Contractor: Hughes-Johnson Company Inc.
Description:The building faces west and is a one story light buff colored brick and concrete structure. The building is located on spacious landscaped grounds in the center of the city. The west front has a small canopy over the entrance supported by two brick supports. The roof is hipped with a wide overhang.
Courthouses:
N – Corson County
E – Walworth County, Potter County and Sully County
S – Sully County, Stanley County and Ziebach County
W – Ziebach County

County Courthouse





Photos taken 2006, 2010 and 2013