Knox County is named for Henry Knox, who was the first secretary of war of the United States from 1785 to 1794.
Surrounding County Courthouses:
N – Foard County
E – Baylor County
S – Haskell County
W – King County
Created: February 1, 1858 
County Seat:
Benjamin 1858 – present
County Courthouse – Benjamin
Location: NE – West Cedar Street / South Hinton Street
Built: 1934 – 1935
Style: Moderne
Architect: Voelcker & Dixon
Contractor: Dolph-Bateson Construction Company.
Description: The building faces south and is a three story granite, limestone and concrete structure. The building is located on spacious grounds in the center of Benjamin. The south front has a central entrance. There are low relief panels and carved ornamental friezes. The steel casement windows are vertical. The roof line is flat. In the interior has tile floors and gray colored wainscoting. The large courtroom is located on the second story. The building houses the State District Court and Constitutional County Court. To the west is the old County Jail built in 1887.
See: The architect, Voelcker & Dixon designed other courthouses in Cottle County, Grayson County, Gregg County, Jack County, Midland County, Rockwall County, Van Zandt County and Wilbarger County.
History: The county was created in 1858 and was assigned to Baylor County in 1876 for judicial purposes. Benjamin was selected as the county seat in 1886 when the county was organized. The first courthouse was a wood structure built in 1886. The second courthouse was a two story structure designed by McQuirk & Lewis and constructed by Ferier Brothers and Wirz in 1888 to 1891. The third and present courthouse was constructed in 1934 to 1935.
County Courthouse - Benjamin
Picture 1888 County Courthouse
Conerstone 1888 County Courthouse
Old County Jail – Benjamin
Photos taken 2014 and 2019