[2] Knox County comprises the Vincennes, IN Micropolitan Statistical Area.

It was named for Major General Henry Knox, who had completed his term as second U.S. Secretary of War the previous September.

[3] Knox County was created prior to the formation of the Indiana Territory.

When it was created, Knox County extended to Canada and encompassed all or part of the present states of Indiana, Michigan, Illinois, and Ohio.

Many of Knox County townships and lots were surveyed with the French system, which employs non-cardinal compass points.

Its southwesternmost point occurs at the confluence of the two rivers, near Mount Carmel, Illinois.

The terrain consists of verdant low-rolling hills, largely devoted to agriculture.

[6] Its highest points (around 620 feet/190 meters ASL) occur in the hills midway between Bruceville and Bicknell.

The court judge is elected to a four-year term, and must be a member of the Indiana Bar Association.

[12] As of the 2010 United States Census, there were 38,440 people, 15,249 households, and 9,725 families in the county.

Knox County's ground breaking Pathways Program insures a well-trained, highly motivated labor force.

Knox County encompasses an area that attracts approximately 300,000 potential employees within an easy commute.

Because of the proximity of the surrounding counties, and ease of access to the Vincennes area, businesses routinely draw from a labor force that lies within a 50-mile radius of their work site.