Herculaneum, Missouri

Herculaneum, Missouri
Nickname: 
Herky
Location of Herculaneum, Missouri
Coordinates: 38°15′49″N 90°23′41″W / 38.26361°N 90.39472°W / 38.26361; -90.39472
CountryUnited States
StateMissouri
CountyJefferson
IncorporatedJuly 27, 1819 (April 1972)
Government
  TypeMayor and Board of Aldermen
  City AdministratorJim Kasten
Area
  Total
4.19 sq mi (10.84 km2)
  Land4.16 sq mi (10.77 km2)
  Water0.03 sq mi (0.08 km2)
Elevation
440 ft (130 m)
Population
 (2020)
  Total
4,672
  Density1,123.62/sq mi (433.85/km2)
Time zoneUTC-6 (Central (CST))
  Summer (DST)UTC-5 (CDT)
ZIP code
63048
Area code636
FIPS code29-31708
GNIS feature ID2394358
Websitecityofherculaneum.org

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

The city received the "Tree City USA" designation by the Arbor Day Foundation for 11 consecutive years, 2007 through 2017. The city is the honorary hometown of the 40th Airlift Squadron, "The Screaming Eagles," from Dyess Air Force Base in Texas.