Herculaneum is located in Jefferson County, Missouri. There are roughly 2,984 residents, living in 1,147 households. The average temperature for Herculaneum this time of the year is low of 63F and high of 85F. On average, Herculaneum gets about 4.29 inches of precipitation in June. Most residents are home owners (69%), have a high school diploma (52%) and are single, no kids (36%).
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