Herculaneum is a city in Jefferson County, Missouri, home to about 5,071 people across 4.2 square miles. Its ZIP code is 63048, and parts of 63070 are in Herculaneum too.
Homes sold for a median of $183 per square foot in the three months ending August 2026, a seller’s market.
All in Herculaneum
Mostly Pevely; part is in Herculaneum
Each card is that ZIP code’s whole market, including any part outside Herculaneum. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Herculaneum’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | St. Louis Lambert International Airport (STL)34 miles away |
|---|---|
| Nearest city of 250,000+ | St. Louis, MO27 miles away |
| Nearest city of 1 million+ | Chicago, IL285 miles away |
Straight-line distances from the center of Herculaneum; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Herculaneum had 4,672 residents in the 2020 census, up 67% since 2000.
It’s the 142nd largest of 1,060 towns in Missouri by population.
Jefferson County grew from 25,712 residents in 1900 to 226,739 in 2020.
Jefferson County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 88°F in summer, and winter lows average 22°F. About 43.5 inches of rain and melted snow fall in a typical year, with about 9 inches of snow.
Source: NOAA 1991–2020 climate normals, Festus, MO weather station (2 miles away).
41,900 jobs at 3,956 businesses in Jefferson County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
8 doctors and other health care providers list an office in Herculaneum.
Nearest hospitals
Providers with an office here
| Dentists | 1 |
|---|---|
| Mental health providers | 4 |
| Physical and occupational therapists | 2 |
| Chiropractors | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (3 nearby)
Grocery stores
Pharmacies
Libraries
Museums
Counts are within about 1.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1819.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Dunklin R-V. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Taylor Early ChildhoodHerculaneum | Pre-K | 170 | Public | 0.7 mi |
| Senn-Thomas MiddleHerculaneum | 6–8 | 347 | Public | 0.9 mi |
| Herculaneum HighHerculaneum | 9–12 | 466 | Public | 0.7 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Pevely and Horine.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.