Welcome to Herculaneum

Herculaneum is a city in Jefferson County, Missouri, and a suburb of St. Louis. As of the 2020 United States Census, its population was 4,273. Herculaneum was the first county seat of Jefferson County, serving from January 1, 1819, to 1839. The city celebrated its bicentennial in 2008.

Herculaneum has been recognized as a “Tree City USA” by the Arbor Day Foundation for 17 consecutive years, from 2007 through 2024. Additionally, it is the honorary hometown of the 40th Airlift Squadron, known as “The Screaming Eagles,” from Dyess Air Force Base in Texas.

Whether you’re searching for a family home, a site for a new business, or a relaxing vacation spot, Herculaneum offers something for every lifestyle, interest, and taste.