Flint Hill is a city in St. Charles County, Missouri, home to about 583 people across 3.2 square miles. It has no ZIP code of its own: it’s part of 63385.
Homes sold for a median of $189 per square foot in the three months ending August 2026, a seller’s market.
Mostly Wentzville; part is in Flint Hill
Each card is that ZIP code’s whole market, including any part outside Flint Hill. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Flint Hill’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)26 miles away |
|---|---|
| Nearest city of 250,000+ | St. Louis, MO35 miles away |
| Nearest city of 1 million+ | Chicago, IL268 miles away |
Straight-line distances from the center of Flint Hill; 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.
Flint Hill had 981 residents in the 2020 census, up 159% since 2000.
It’s the 483rd 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 (12 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).
528 doctors and other health care providers list an office in Flint Hill.
Nearest hospitals
Providers with an office here
| Primary care doctors | 33 |
|---|---|
| Specialist doctors | 27 |
| Dentists | 38 |
| Nurse practitioners and physician assistants | 81 |
| Mental health providers | 217 |
| Physical and occupational therapists | 80 |
| Optometrists | 7 |
| Chiropractors | 45 |
| Pharmacies | 14 |
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 (2 nearby)
Grocery stores (1 nearby)
Pharmacies
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.
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 |
|---|---|---|---|---|
| Heritage ElementaryWentzville | Pre-K–5 | 1,039 | Public | 0.9 mi |
| Peine Ridge Elem.Wentzville | Pre-K–5 | 548 | Public | 3.2 mi |
| Boone Trail Elem.Wentzville | K–5 | 479 | Public | 2.3 mi |
| Daniel Boone Elem.Wentzville | K–5 | 420 | Public | 6.6 mi |
| Flint Hill ElementaryWentzville | K–5 | 343 | Public | 3.0 mi |
| Journey ElementaryWentzville | K–5 | 595 | Public | 2.5 mi |
| Lakeview ElementaryWentzville | K–5 | 599 | Public | 3.5 mi |
| Stone Creek ElementaryWentzville | K–5 | 543 | Public | 1.1 mi |
| Wabash ElementaryWentzville | K–5 | 745 | Public | 3.5 mi |
| North Point Middle SchoolWentzville | 6–8 | 1,031 | Public | 3.3 mi |
| Wentzville MiddleWentzville | 6–8 | 792 | Public | 1.1 mi |
| Wentzville South MiddleWentzville | 6–8 | 1,068 | Public | 2.3 mi |
| Emil E. Holt Sr.. HighWentzville | 9–12 | 1,022 | Public | 1.2 mi |
| North Point High SchoolWentzville | 9–12 | 1,433 | Public | 3.3 mi |
| Timberland HighWentzville | 9–12 | 1,525 | Public | 2.0 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Future Apostle AcademyWentzville | Pre-K–9 | 12 | Christian (no specific denomination) | 0.7 mi |
| St Joseph School-JosephvilleWentzville | Pre-K–8 | 79 | Roman Catholic | 4.2 mi |
| St Patrick SchoolWentzville | Pre-K–8 | 436 | Roman Catholic | 0.4 mi |
| St Theodore SchoolWentzville | Pre-K–8 | 260 | Roman Catholic | 3.7 mi |
| Immanuel Lutheran SchoolWentzville | K–8 | 385 | Lutheran Church–Missouri Synod | 2.6 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 Wentzville, O'Fallon, Josephville and New Melle.
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.