Herculaneum

County:: Jefferson County
County Seat:: No
Area (mi²):: 4.158
State:: Missouri

Herculaneum is a city located in Jefferson County, Missouri. Herculaneum has a 2025 population of 5,599. Herculaneum is currently growing at a rate of 3.26% annually and its population has increased by 18.8% since the most recent census, which recorded a population of 4,713 in 2020.

The average household income in Herculaneum is $91,579 with a poverty rate of 5.45%. The median age in Herculaneum is 38.1 years: 37.4 years for males, and 40.4 years for females.

Demographics

The racial composition of Herculaneum includes 79.37% White, 7.57% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	3,909	79.37%
Two or more races	607	12.32%
Black or African American	373	7.57%
Other race	17	0.35%
Asian	12	0.24%
Native American	7	0.14%
Native Hawaiian or Pacific Islander	0	0%

Herculaneum Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Herculaneum's average per capita income is $55,008. Household income levels show a median of $88,778. The poverty rate stands at 5.45%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$97,883	-
Families	$96,681	$101,133
Households	$88,778	$91,579
Non Families	$57,045	$56,436

$55,008

Average Income

$88,778

Median Household Income

5.45%

Poverty Rate