Herculaneum, Missouri

Herculaneum population, 2020 to 2024

Herculaneum added 607 residents from July 2020 to July 2024, a change of +12.9%. In the latest year it moved by +77. Among 135 Missouri places of 5,000 or more, that growth ranks 8th; the median place changed by +1.2%. The median place of 5,000+ in Missouri has 12,239 people, so Herculaneum is 43% of it.

Herculaneum covers 4.16 square miles of land and 0.03 of water, for 1,279 people per square mile of land. The median Missouri place of 5,000+ has 1,448, so Herculaneum is less dense than the typical town.

What county Herculaneum is in

All of Herculaneum's residents live in Jefferson County, which had 231,888 residents in 2024. Herculaneum holds 2.3% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Herculaneum

1 ZIP Code Tabulation Area (ZCTA) overlaps Herculaneum by at least 10% of the ZCTA's or the city's land: 63048. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Herculaneum is

The Census internal point of Herculaneum is at 38.257600, -90.393100. Jefferson City, the capital, is 98.9 miles WNW in a straight line. The nearest larger place is Pevely, MO (6,103 people), 2.1 miles away. The nearest city of 100,000 or more is St. Louis, MO, 27.3 miles away.

Daylight in Herculaneum

At 38.26° N, Herculaneum gets about 14 h 50 min of daylight around the June solstice and 9 h 30 min around the December solstice, a swing of 5 h 20 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Herculaneum

The eight nearest incorporated places of 1,000+ in Missouri, measured between internal points. The closest is Pevely, 2.1 miles away, with 6,103 people.