Henry County was created on December 24, 1821, and named after Patrick Henry, a prominent American Revolutionary War figure known for his "Give me liberty or give me death!" speech. The area was originally inhabited by Creek and Cherokee Native American tribes before European settlers arrived.
The county's early economy was based on agriculture, primarily cotton farming. Plantations were established, and enslaved African Americans were forced to work on these farms during the antebellum period.
Henry County saw gradual modernization and urbanization throughout the 20th century. The construction of roads and highways improved connectivity to Atlanta, which is located to the north. This accessibility contributed to the county's growth and development.
Henry County has experienced significant population growth in recent decades, with suburbanization expanding from the Atlanta metropolitan area.
The county is known for its commitment to education, with several public schools and institutions of higher learning serving the community. Locally, it is home to the Henry County School District and Southern Crescent Technical College.
Today, it continues to evolve as a vibrant part of the Atlanta metropolitan area.