Sully County is named for General Alfred Sully, who was the builder of Fort Sully.
Created: January 8, 1873
Onida 1883 – present
County Courthouse – Onida
Location: 700 Ash Avenue / 7th Street
Built: 1912 – 1913
Style: Classical Revival
Architect: Black Hills Company of Deadwood ( W M Rich )
Contractor: Gray Construction Company of Watertown
Description: The building faces south and is a two story gray colored stone and concrete structure. The building is located on spacious landscaped grounds in the center of the city. On the center of the roof is an open dome with black colored roof and clock. Around the roof is a stone balustrade. On south front is a portico supported by two stone columns and two square stone pillars.
E – Hyde County
S – Hughes County
Photos taken 2006, 2010 and 2015