Hillsboro is a city in and the county seat of Hill County, Texas, United States. The population was 8,456 at the 2010 census.
Located on Interstate 35 where I-35E and I-35W split south of the Dallas–Fort Worth metroplex, Hillsboro is the primary center for trade and commerce in Hill County. It is close to midway between the Metroplex and Waco, and is the gateway to Lake Whitney. There are many antique stores located downtown, and an outlet mall is located along the Interstate, surrounded by numerous hotels and motels.
Hillsboro was named for Hill County. At one point during Bonnie and Clyde's robberies in Hillsboro, they took the Peterson family hostage at their own farm. Later the Petersons said that Bonnie and Clyde held them at gunpoint until they surrendered their barn for them to sleep in for a few nights before running again.
The city is known for its abundance of restored Victorian homes and its historic county courthouse, which on January 1, 1993, was heavily damaged by an electrical fire. It was rebuilt, courtesy of donations from around the world and two concerts sponsored by Hill County native Willie Nelson. The courthouse won the Downtown Association's 1999 award for "Best Restoration". The renovation sparked an interest in restoring Texas's historic courthouses.
Hillsboro is located near the geographic center of Hill County at 32°0′34″N 97°7′28″W (32.009557, -97.124437).