Dardenne Prairie is a city in St. Charles County, Missouri, home to about 13,503 people across 5.3 square miles. It has no ZIP code of its own: it’s part of 63368.
Homes sold for a median of $177 per square foot in the three months ending August 2026, a seller’s market.
Mostly O'Fallon; part is in Dardenne Prairie
Each card is that ZIP code’s whole market, including any part outside Dardenne Prairie. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Dardenne Prairie’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Dardenne Prairie well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | St. Louis Lambert International Airport (STL)19 miles away |
|---|---|
| Nearest city of 250,000+ | St. Louis, MO27 miles away |
| Nearest city of 1 million+ | Chicago, IL267 miles away |
Straight-line distances from the center of Dardenne Prairie; 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.
Dardenne Prairie had 12,743 residents in the 2020 census, up 191% since 2000.
It’s the 65th largest of 1,060 towns in Missouri by population.
St. Charles County grew from 24,474 residents in 1900 to 405,262 in 2020.
St. Charles 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 21°F. About 44.4 inches of rain and melted snow fall in a typical year, with about 14 inches of snow.
Source: NOAA 1991–2020 climate normals, Weldon Spring Nws, MO weather station (4 miles away).
143,624 jobs at 8,946 businesses in St. Charles County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
546 doctors and other health care providers list an office in Dardenne Prairie.
Nearest hospitals
Providers with an office here
| Primary care doctors | 54 |
|---|---|
| Specialist doctors | 66 |
| Dentists | 68 |
| Nurse practitioners and physician assistants | 105 |
| Mental health providers | 75 |
| Physical and occupational therapists | 108 |
| Optometrists | 17 |
| Chiropractors | 53 |
| Pharmacies | 13 |
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 (4 nearby)
Grocery stores (1 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Theaters and performance venues (1 nearby)
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 1983.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Wentzville R-IV, Francis Howell R-III, Fort Zumwalt School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Barfield Early Childhood CntrO'Fallon | Pre-K | 356 | Public | 1.9 mi |
| John Weldon Elem.Dardenne Prairie | Pre-K–5 | 640 | Public | 1.8 mi |
| Crossroads Elem.Dardenne Prairie | K–5 | 757 | Public | 1.4 mi |
| Dardenne Elem.O'Fallon | K–5 | 445 | Public | 2.1 mi |
| Emge Elem.O'Fallon | K–5 | 348 | Public | 2.0 mi |
| Ostmann Elem.O'Fallon | K–5 | 362 | Public | 0.9 mi |
| Pheasant Point Elem.O'Fallon | K–5 | 428 | Public | 1.8 mi |
| Prairie View Elem.O'Fallon | K–5 | 696 | Public | 2.2 mi |
| Twin Chimneys Elem.O'Fallon | K–5 | 488 | Public | 0.8 mi |
| Frontier MiddleO'Fallon | 6–8 | 1,243 | Public | 3.1 mi |
| Ft. Zuwmalt West MiddleO'Fallon | 6–8 | 1,114 | Public | 1.5 mi |
| Francis Howell Union HighO'Fallon | 9–12 | — | Alternative Education | 2.3 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Immaculate Conception SchoolDardenne Prairie | Pre-K–8 | 715 | Roman Catholic | 1.9 mi |
| Oakhaven Montessori SchoolDardenne Prairie | Pre-K–6 | 34 | Nonsectarian | 1.0 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with O'Fallon.
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.