- Land Area:1,009 square miles
- Population (2019):1,414
- County Seat: Bassett
- Towns and Population (2019): Bassett- 728; Newport- 64
- Public School Districts: Bassett Grade School, Bassett; Rock County High School, Bassett
- Named After: Rock River, which flows through the county and for the rock condition of the soil
Built in 1889 in Bassett
Funding: $5,000 Bond
The first Rock County Court House was a frame structure. A fire from a gas stove destroyed the court house.
Built in 1897 in Bassett
Funding: $3,927 Insurance Payment
The second courthouse was built on the old foundation adhering closely to the plans for the original building.
Built in 1940 in Bassett
Funding: $17,000 Bond & $33,000 federal Public Works Administration grant
The existing courthouse was built directly West of the existing one facing West.