O Fallon, Missouri
O Fallon has an average healthcare access score of 56/100 (Moderate Access) across 1 ZIP code. That's 3 points above the Missouri state average of 53. And 12 points above the national average of 44.
People Score
Insurance, income, literacy, disability barriers (~20%)
Provider Score
Doctors, specialists, mental health, dental access (~35%)
Hospital Score
Emergency, inpatient, and screening facility access (~25%)
Travel Score
Vehicle, transit, and broadband infrastructure (~20%)
City Average
Moderate Access
Grade: C
1 ZIP code in O Fallon
Comparisons
Healthcare Access Map
ZIP codes in and around O Fallon. Click any dot to view its Healthcare Access Score.
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ZIP Codes in O Fallon
All 1 ZIP codes ranked by Healthcare Access Score
| # | ZIP Code | Score | Access Level | Grade | Score Bar |
|---|---|---|---|---|---|
| 1 | 63368 | 56 | Moderate Access | C |
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FAQ
Frequently Asked Questions About Healthcare Access in O Fallon
How good is healthcare access in O Fallon, Missouri?
O Fallon has an average CartoChrome Healthcare Access Score of 56/100 (Moderate Access), measured across 1 ZIP codes inside the city. The score reflects provider density, hospital proximity, transportation access, and social-determinant barriers.
Which ZIP code in O Fallon has the best healthcare?
ZIP 63368 scores highest in O Fallon at 56/100, while ZIP 63368 scores lowest at 56/100. A 0-point gap between ZIPs in the same city usually reflects differences in specialist density and SDOH — not hospital distance.
Does O Fallon have healthcare deserts?
No ZIP in O Fallon currently scores below the 25/100 healthcare-desert threshold. See the ZIP-level breakdown for the full distribution of access scores inside the city.
How many doctors are in O Fallon?
CartoChrome uses CMS NPPES provider records to connect O Fallon residents with nearby clinicians by ZIP, specialty, and travel distance. Live provider totals are refreshed through the backend data pipeline rather than estimated in this FAQ.
What ZIPs are covered for O Fallon?
O Fallon contains 1 Census ZCTA ZIP codes. CartoChrome publishes individual scores for each — see the ZIP table below. ZIP boundaries come from Census TIGER/Line shapefiles and are updated annually.
How Is This Score Calculated?
The O Fallon average healthcare access score of 56/100 is computed by averaging the Healthcare Access Scores across all 1 ZIP code in the city. Each ZIP is explained through People Score, Provider Score, Hospital Score, and Travel Score.
Read Full Methodology