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 54F and high of 77F. On average, Herculaneum gets about 4.18 inches of precipitation in May. Most residents are home owners (69%), have a high school diploma (52%) and are single, no kids (36%).
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