63048 ZIP Code — Herculaneum, MO

Jefferson County, Missouri

ZIP code 63048 is located in Herculaneum, Missouri, within Jefferson County. It covers approximately 3.62 square miles and serves a population of 4,024 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 636.

About ZIP code 63048

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $187,500. Owner-occupancy is high at 84%, well above the national average.

Median household income is $83,947. The poverty rate of 6% is below the national average. 40% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average.

College attainment at 21% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (21%) compared to national benchmarks.

Overall, ZIP code 63048 reflects a community defined by high homeownership and a significant Social Security-dependent population.

4,024

population

3.62

sq mi land

Standard

ZIP type

Central (CT)

timezone

63048 ZIP code map

Cities in ZIP code 63048

Below are the cities the US Postal Service accepts for ZIP code 63048. Using any city not on this list may result in mail delivery delays.

City	Status
Herculaneum	Preferred

Nearby ZIP codes

63070 Pevely (2.2 mi) 63019 Crystal City (2.5 mi) 62295 Valmeyer (4.4 mi) 63012 Barnhart (5.3 mi) 63028 Festus (9.2 mi) 63052 Imperial (9.4 mi) 63050 Hillsboro (9.6 mi) 63010 Arnold (11.2 mi) 62244 Fults (12.1 mi) 63129 Saint Louis (13.5 mi) 62298 Waterloo (13.5 mi) 63020 De Soto (14 mi)

Demographics updated 06/2026

Population
Total population	4,024
Population density	1,112 / sq mi
State FIPS	29
County FIPS	099

Geography
Land area	3.62 sq mi
Water area	0.35 sq mi
Latitude	38.2615
Longitude	-90.3963
Timezone	Central (CT)
Area code	636

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	37.2%	36.5%	43.8%
$50k – $100k	35.4%	35.8%	31.5%
$100k – $200k	26.4%	24.8%	19.5%
Over $200k	0.9%	2.9%	5.2%

Demographics & statistics

4,024

Population

1,112

People per sq mi

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

Income range	This ZIP	County avg	State avg
Under $50k	37.2%	36.5%	43.8%
$50k – $100k	35.4%	35.8%	31.5%
$100k – $200k	26.4%	24.8%	19.5%
Over $200k	0.9%	2.9%	5.2%

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%
Work from home	12.7%
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	%
Obesity	40.9%
High blood pressure	29.0%
High cholesterol	35.1%
Diabetes	10.2%
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	%
Smoking	21.1%
Binge drinking	18.5%
No physical activity	25.9%
Less than 7 hrs sleep	34.3%
Depression	25.2%
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%
No insurance	10.8%
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 about ZIP code 63048

What city is ZIP code 63048 in?

ZIP code 63048 is primarily assigned to Herculaneum, Missouri.

What county is ZIP code 63048 in?

ZIP code 63048 falls within Jefferson County, Missouri.

Is ZIP code 63048 mostly owner-occupied?

84% of occupied units in ZIP code 63048 are owner-occupied, well above the national average.

Does ZIP code 63048 have a large retiree population?

40% of households in ZIP code 63048 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 63048?

The median home value in ZIP code 63048 is $187,500.

What is the population of ZIP code 63048?

ZIP code 63048 has an estimated population of 4,024 residents, with a density of 1,111 people per square mile.

What timezone is ZIP code 63048 in?

ZIP code 63048 observes the CST timezone.