Dentists in St. Charles County, MO
Our directory lists 420 dental providers and practices in St. Charles County, Missouri (120 registered as organizations). With an estimated 423,726 residents (2024), that is about 9.9 listings per 10,000 people, above the statewide figure of 8.7. Listings are spread across 19 cities and towns.
Cities in St. Charles County
- Saint Peters (108)
- O Fallon (90)
- Saint Charles (83)
- Wentzville (50)
- O Fallon (16)
- Dardenne Prairie (10)
- Lake St Louis (9)
- St Charles (8)
- Weldon Spring (8)
- St Peters (7)
- Cottleville (6)
- Lake Saint Louis (6)
- St Charles (6)
- St Peters (5)
- Ofallon (3)
- Lake St Louis (2)
- O Fallon (1)
- New Melle (1)
- Weldon Springs (1)
Types of dental providers
| Primary specialty (NPI taxonomy) | Listings |
|---|---|
| General Dentistry | 355 |
| Orthodontics | 41 |
| Endodontics | 12 |
| Periodontics | 8 |
| Oral & Maxillofacial Surgery | 1 |
| Oral & Maxillofacial Pathology | 1 |
| Pediatric Dentistry | 1 |
| Prosthodontics | 1 |
Community health centers in St. Charles County
HRSA-funded health centers offer a sliding fee scale based on income. Not every site has a dental clinic, so call and ask.
- Compass Health Inc. – 102 Compass Point Dr, Saint Charles
- Compass Health, Inc. – 3785 New Town Blvd, Saint Charles
- Compass Health, Inc. – 1504 Elm St, Saint Charles
- Compass Health, Inc. – 2645 Muegge Rd, Saint Charles
- Compass Health Inc. – 8075 Mexico Rd, Saint Peters
- Compass Health, Inc. – 111 Mexico Ct, Saint Peters
- Compass Health, Inc. – 1030 Wolfrum Rd, Weldon Spring
- Compass Health Inc. – 1032 Crosswinds Ct, Wentzville
- Compass Health, Inc. – 1066 Crosswinds Ct, Wentzville
All health centers in Missouri
Frequently asked questions
How many dentists are in St. Charles County?
Our directory lists 420 dental providers and practices with an address in St. Charles County, Missouri, based on the NPI registry.
How many dentists per person does St. Charles County have?
About 9.9 dental listings per 10,000 residents, using a 2024 Census population estimate of 423,726. The Missouri average is 8.7.
Are there low-cost dental options in St. Charles County?
There are 9 HRSA-funded health center sites in the county. They charge fees based on income; call to ask whether a site offers dental care.
Listings are matched to the county by ZIP code using the Census Bureau 2020 ZCTA-to-county relationship file; a ZIP that crosses county lines is assigned to the county holding most of its land, so counts are approximate. Sources: NPPES NPI registry (Oct 2026), U.S. Census Bureau 2024 county population estimates, HRSA health center sites. Other counties in Missouri · Dental care by state