O'Fallon vs St. Louis: Dietitian and Nutritionist Salary (2026)
Compare dietitian and nutritionist salaries between O'Fallon, MO and St. Louis, MO. All figures are 2026 estimates projected from BLS 2025 data.
Side-by-Side Comparison
| Metric | O'Fallon, MO | St. Louis, MO |
|---|---|---|
| Median Salary | $66,217 | $73,104▲ |
| Hourly Rate | $31.83 | $35.15▲ |
| Entry Level (P10) | $41,153 | $53,768▲ |
| 25th Percentile | $53,130 | $62,932▲ |
| 75th Percentile | $77,123 | $82,351▲ |
| Top Earner (P90) | $92,761 | $94,653▲ |
| Total Employed | 22 | 700▲ |
Verdict
St. Louis, MO offers better overall compensation for dietitians and nutritionists, winning 4 out of 4 metrics compared to O'Fallon.
The salary gap between O'Fallon and St. Louis is $6,887 (10.40%). St. Louis's median is -7.91% compared to the US national median of $79,380.
Salary Range Comparison
The full salary range (10th to 90th percentile) in O'Fallon spans $51,608,St. Louis spans $40,885. O'Fallon has a wider pay range, meaning more potential for high earners but also more variation.
Cost-of-Living Adjusted Comparison
After cost-of-living adjustment, St. Louis ($76,880 effective) pays 4.03% more than O'Fallon ($73,903 effective).
Cost-of-living adjustment: salary × (100 / CoL index). Index of 100 = national average.
Which City Is Right for You?
Choose O'Fallon if…
- ✓You prefer the Missouri area and lifestyle
Choose St. Louis if…
- ✓Higher median salary ($73,104/year)
- ✓Better top-earner potential ($94,653)
- ✓Larger job market (700 employed)
- ✓Better purchasing power (CoL-adjusted: $76,880)
- ✓You prefer the Missouri area and lifestyle
Historical Salary Growth Comparison
Based on BLS OEWS metropolitan area data, dietitian and nutritionist salaries in O'Fallon grew 14.8% from 2024 to 2025, compared to 19.8% growth in St. Louis over the same period.
O'Fallon, MO
$55,522 (2024) → $63,731 (2025)
St. Louis, MO
$58,710 (2019) → $70,360 (2025)
View Full Salary Data
O'Fallon, MO
St. Louis, MO
Frequently Asked Questions
Which city pays dietitian and nutritionists more: O'Fallon or St. Louis?
What is the hourly rate difference between O'Fallon and St. Louis?
Should I relocate from O'Fallon to St. Louis as a dietitian and nutritionist?
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Written by Aisha Patel, MS, RD
Career Analyst
Aisha has 10 years of experience as a nutrition consultant. She specializes in sports nutrition. Aisha works with professional athletes and teams.
Methodology & Data Source
All salary figures are 2026 projections based on BLS OEWS May 2025 data. A 3.90% CAGR (derived from 6-year national BLS trends) was applied to estimate current compensation. Cost-of-living adjustments use BEA Regional Price Parity data. Actual salaries vary by employer, certifications, and experience.
Data Sources & Methodology
Source: BLS, OEWS , released .
Compiled and verified by Aisha Patel, MS, RD, a licensed dietitian and nutritionist with 10+ years of clinical experience. · View source data at BLS.gov