Herculaneum ZIP Code List — Jefferson County, MO

There is one unique ZIP code in Herculaneum, Missouri and it is 63048. Area code: 636.

ZIP codes

3.62

sq mi land

0.35

sq mi water

636

area code

Herculaneum, MO ZIP code map

About Herculaneum, MO

Herculaneum, Missouri, is a charming city located in the heart of Jefferson County. Known for its rich history and scenic views, this small community offers a unique blend of suburban life and natural beauty. Residents enjoy a close-knit atmosphere along with easy access to urban amenities in surrounding areas.

Location & geography

Herculaneum is situated in the eastern part of Missouri and is approximately 30 miles southwest of St. Louis. It is bordered by the Mississippi River and is surrounded by notable cities such as Festus, which is just a few miles to the north, and Pevely, located nearby to the south. The city covers an area of 3.62 square miles on land and has an additional 0.35 square miles of water, contributing to its varied landscape.

Community & economy

The character of Herculaneum is defined by its friendly residents and a strong sense of community. The local economy benefits from various small businesses and industries, with a focus on manufacturing and retail. Daily life here features local events, outdoor activities, and a welcoming environment for newcomers.

Transportation

Herculaneum is conveniently located near several major highways, including Interstate 55, which provides easy access to nearby cities. The closest named airport is the St. Louis Lambert International Airport, located about 45 miles to the northwest. Public transport options are limited, making personal vehicles the preferred mode of travel for residents.

History

Herculaneum was founded in the early 19th century and has since grown into a thriving small city. Historically, the area was known for its iron production, which played a crucial role in its economic development. Notably, Herculaneum's location along the Mississippi River has shaped much of its growth and community interaction.

Did you know?

One surprising fact about Herculaneum is that it is home to the largest historic structure built in Missouri, the former iron works. Additionally, the city is located close to the scenic views of the Mississippi River and has a rich heritage that attracts history enthusiasts.

ZIP codes for Herculaneum, MO (1)

ZIP code	City	County	Map
63048	Herculaneum	Jefferson	View map

Demographics & statistics

4,024

Population

42.4

Median age

$83,947

Median household income

$34,951

Per capita income

$187,500

Median home value

$2,160

Median monthly rent

84.1%

Home ownership

6.4%

Poverty rate

5.1%

Unemployment

1,424

Housing units

20.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

109

5–9

127

135

10–14

158

112

15–19

130

120

20–24

139

203

25–34

236

277

35–44

322

208

45–54

242

136

55–59

158

141

60–64

164

195

65–74

226

102

75–84

119

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	684	17.0%
18 and over	3,340	83.0%
65 and over	814	20.2%
Median age	42.4 years

Race & ethnicity

White 77.4%

Two or more races 10.1%

Hispanic or Latino 9.5%

Black or African American 2.5%

Other race 0.3%

Asian 0.2%

American Indian / Alaska Native 0.1%

Group	Count	%
White	3,438	77.4%
Two or more races	449	10.1%
Hispanic or Latino	420	9.5%
Black or African American	110	2.5%
Other race	12	0.3%
Asian	10	0.2%
American Indian / Alaska Native	5	0.1%

Household income

Under $10k 2.3%

$10k–$15k 2.5%

$15k–$25k 5.9%

$25k–$35k 8.0%

$35k–$50k 7.1%

$50k–$75k 17.6%

$75k–$100k 23.2%

$100k–$150k 23.2%

$150k–$200k 5.1%

$200k+ 5.1%

Range	% of households
Under $10k	2.3%
$10k–$15k	2.5%
$15k–$25k	5.9%
$25k–$35k	8.0%
$35k–$50k	7.1%
$50k–$75k	17.6%
$75k–$100k	23.2%
$100k–$150k	23.2%
$150k–$200k	5.1%
$200k+	5.1%
Median income	$83,947

Housing

Home values

Under $50k 3.6%

$50k–$100k 2.7%

$100k–$150k 18.1%

$150k–$200k 32.5%

$200k–$300k 30.8%

$300k–$500k 9.8%

$500k–$1M 2.5%

Housing overview

Metric	Value
Median home value	$187,500
Median rent / month	$2,160
Owner occupied	84.1%
Renter occupied	15.9%
Vacant	7.6%
Single-family detached	85.1%
Large apartment buildings	8.6%
Mobile homes	0.0%
Median rooms	5.9
Avg household size (owned)	2.55

Year built

Era	%
2020 or later	1.0%
2010–2019	12.5%
2000–2009	32.3%
1990–1999	11.4%
1980–1989	13.8%
1970–1979	6.6%
1960–1969	5.9%
1950–1959	10.2%
1940–1949	1.5%
1939 or earlier	4.8%

Bedrooms

Size	% of units
No bedroom (studio)	4.0%
1 bedroom	5.9%
2 bedrooms	19.4%
3 bedrooms	45.6%
4 bedrooms	24.3%
5+ bedrooms	0.8%

Vehicles per household

Vehicles	% of households
No vehicle	7.5%
1 vehicle	28.6%
2 vehicles	34.6%
3 or more	29.3%

Heating fuel

Fuel type	%
Utility gas	45.8%
Electricity	53.0%
Propane / LP gas	0.4%
Fuel oil	0.8%

Households & families

Household type	Count	%
Married-couple family	754	48.9%
Cohabiting couple	73	4.7%
Male householder, no spouse	206	13.4%
Female householder, no spouse	509	33.0%
Households with children under 18	377	24.4%
Households with seniors (65+)	534	34.6%
Average household size	2.51

Marital status

Status	Male	Female
Never married	34.4%	23.5%
Married	47.7%	44.8%
Separated	7.7%	2.9%
Widowed	2.2%	22.0%
Divorced	8.0%	6.8%

Education

Less than 9th grade 5.3%

Some HS, no diploma 2.3%

HS graduate 27.9%

Some college, no degree 28.5%

Associate's degree 15.4%

Bachelor's degree 10.0%

Graduate / professional 10.6%

Metric	%
HS diploma or higher	92.3%
Bachelor's or higher	20.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	45	5.3%
Kindergarten	67	7.9%
Elementary school	338	39.8%
High school	241	28.4%
College / grad school	159	18.7%

Employment

Industry of employment

Education & healthcare 20.4%

Professional & management 11.1%

Arts, food & hospitality 10.4%

Construction 9.8%

Retail trade 9.6%

Transportation & utilities 9.5%

Finance & real estate 7.2%

Manufacturing 7.0%

Other services 6.6%

Information 4.8%

Public administration 2.3%

Wholesale trade 1.4%

Occupation

Category	%
Management, business & arts	35.1%
Service	9.9%
Sales & office	25.4%
Natural resources & construction	19.7%
Production & transportation	10.0%

Employment type

Type	%
Private sector	92.6%
Government	5.6%
Self-employed	1.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.1%
Carpool	4.6%
Public transit	0.0%
Walk	1.0%
Other means	0.6%
Avg commute (minutes)	28.1

Poverty

All people 6.4%

Under 18 years 10.2%

18 and over 5.7%

Married-couple families 0.0%

Female-led households 19.4%

Income support

Source	% of households
Social Security	39.9%
Retirement income	43.1%
Supplemental Security	6.7%
Cash public assistance	0.8%
Food stamps / SNAP	4.2%

Health indicators

Condition	%
High blood pressure	29.0%
High cholesterol	35.1%
Heart disease	7.3%
Stroke	3.2%
Asthma	9.5%
Arthritis	28.6%
Kidney disease	2.9%
Pulmonary disease	8.1%
Cancer	7.4%

Behavior / access	%
Binge drinking	18.5%
No physical activity	25.9%
Less than 7 hrs sleep	34.3%
Fair or poor health	15.3%
Poor mental health	15.4%
Poor physical health	11.4%
No health insurance	15.3%
Visited doctor (checkup)	73.1%
Visited dentist	59.8%
Cholesterol screening	88.0%
Teeth loss	17.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	166	5.0%

Disability	%
Any disability	10.9%
Under 18	1.8%
18–64 years	7.9%
65 and over	30.1%

Health insurance coverage

Type	%
Private insurance	68.3%
Public insurance	28.3%
Uninsured under 19	10.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,931	97.7%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,014	99.8%
Born in same state	4,004	99.5%
Born in different state	3,097	77.0%
Foreign born	10	0.2%
Naturalized citizen	10	0.2%
Not a US citizen	10	100.0%

Ancestry

Ancestry	Count	%
French	539	13.4%
Arab	485	12.1%

Ancestry	Count	%
Italian	429	10.7%
English	154	3.8%

Technology access

Metric	% of households
Computer access	38.3%
Internet access	89.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for Herculaneum, MO?

Herculaneum, MO has one ZIP code: 63048.

What is the main ZIP code for Herculaneum, MO?

The primary ZIP code for Herculaneum, MO is 63048. The city uses area code 636 for phone service.

What county is Herculaneum, MO in?

Herculaneum is located in Jefferson County, Missouri.

How many ZIP codes are in Herculaneum, MO?

Herculaneum, MO has 1 ZIP code.

What is the ZIP code for downtown Herculaneum and the historic riverfront district along the Mississippi River?

Downtown Herculaneum and its riverfront area are located in ZIP code 63048, which encompasses the city's central business and historic districts.

What ZIP code should I use for mailing addresses to businesses and residents in Herculaneum's industrial and commercial zones near Highway 61?

All mailing addresses in Herculaneum, including its industrial and commercial areas near Highway 61, use the ZIP code 63048.