Dietitian and Nutritionist Salary in O'Fallon, MO: $66,217 (2026)
Quick Answer:A full-time dietitian and nutritionist in O'Fallon, MO earns a median $66,217/year (≈ $31.83/hour) in nominal terms for 2026 — projected from BLS OEWS 2025 (SOC 29-1031). Once you factor in O'Fallon's price level (10% below national, BEA RPP 89.6), that paycheck buys what $73,903 would nationally. Nominal pay sits 0.1% below the Missouri state average.
Based on BLS state-level estimates · View source
In O'Fallon, Missouri, the dietitian and nutritionist salary is projected to reach a median annual income of $66,217 in 2026. Local professionals can expect a salary range from $41,153 at the 10th percentile to $92,761 at the 90th percentile, reflecting the diversity in roles and employer types. These figures, derived from 2025 BLS data projected to 2026, highlight the differences between cash-pay private practices and traditional hospital W-2 employment structures. With a strong emphasis on various specialties and the increasing shift towards independent practice, O'Fallon's job market presents a promising landscape for registered dietitians and nutritionists considering their next career steps.
About the O'Fallon Market
Salary estimated from Missouri average ($62,000) adjusted for local cost of living.
Salary Breakdown
| Percentile | Annual | Hourly |
|---|---|---|
| Entry Level (P10) | $41,153 | $19.78 |
| Lower Range (P25) | $53,130 | $25.54 |
| Median (P50)(typical) | $66,217 | $31.83 |
| Upper Range (P75) | $77,123 | $37.08 |
| Top Earners (P90) | $92,761 | $44.59 |
Median Salary Position
16.58% below the national average
2026 Salary Percentile Distribution in O'Fallon
In O'Fallon, MO, the dietitian and nutritionist salary spread from the 10th to 90th percentile is $51,608 (2026 est.). At $66,217, the local median is 16.58% below the national median of $79,380.
Salary Calculator
At 40 hours/week in O'Fallon: You'd be in the lower-middle range
How O'Fallon Dietitian and Nutritionist Pay Compares
O'Fallon median: $66,217/year (2026)
| Compared To | Median Salary | O'Fallon Pays |
|---|---|---|
| Missouri Average | $66,283 | -0.10% less |
| National Average | $79,380 | -16.58% less |
Dietitian and Nutritionists in O'Fallon, MO earn a median of $66,217 per year (2026 est.), which is 16.58% lower than the national median of $79,380 and 0.10% below the Missouri state average of $66,283.
Cost-of-Living Adjusted Salary
O'Fallon has a cost of living 10.40% below the national average, meaning your salary goes further here.
Adjusted salary = nominal × (100 / CoL index). CoL index: 100 = national average.
O'Fallon, MO has a cost-of-living index of 89.6 (below the national average of 100). A dietitian and nutritionist earning $66,217 nominally has purchasing power equivalent to $73,903 in an average-cost city — an effective 11.61% boost.
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2019 BLS Actual
$51,110
2025 BLS Actual
$63,731
2026 Current Est.
$66,217
2019–2027 Growth
+34.6%
Salary Trajectory for Dietitians and Nutritionists in O'Fallon (2019–2027)
2019–2025: actual BLS OEWS data for this metro area. 2026+: CAGR 3.90% projection.
| Year | Annual Salary | Status |
|---|---|---|
| 2019 | $51,110 | Actual |
| 2020 | $52,628 | Actual |
| 2021 | $51,427 | Actual |
| 2022 | $55,431 | Actual |
| 2023 | $58,125 | Actual |
| 2024 | $55,522 | Actual |
| 2025 | $63,731 | Actual |
| 2026(current) | $66,217 | Estimated |
| 2027 | $68,799 | Projected |
Based on 7 years of BLS OEWS data for the O'Fallon metropolitan area, the median dietitian and nutritionist salary grew 24.7% from $51,110 (2019) to $63,731 (2025). At a 3.90% compound annual growth rate, salaries are projected to reach $68,799 by 2027 — a total increase of $17,689 (34.61%) from 2019.
Note: Historical values (2019–2025) are actual BLS OEWS figures for the O'Fallon metropolitan area, sourced from annual Occupational Employment and Wage Statistics surveys. 2026–2026 figures are current estimates, and 2027 values are projections, calculated using a 3.90% CAGR derived from 7-year BLS historical data. Actual salaries may vary based on employer, experience, certifications, and local market conditions.
Salary by Experience Level
| Experience | Estimated Salary Range |
|---|---|
| 0-2 years (New Graduate) | $41,153 – $53,130 |
| 3-5 years (Mid Career) | $53,130 – $66,217 |
| 5+ years (Experienced) | $66,217 – $77,123 |
| 10+ years (Top Earner) | $77,123 – $92,761 |
DN salary ranges estimated from BLS percentile data. Individual dietitian and nutritionist compensation varies by employer, certifications, and specialization.
Dietitian and Nutritionist Job Market in O'Fallon
Employing around 22 dietitians and nutritionists, O'Fallon offers a unique balance of opportunity and cost-of-living adjustments, with a cost of living index of 89.6, which is lower than the national average. This can enhance the overall purchasing power of local salaries. Employers, such as hospital clinical nutrition departments and outpatient clinics, typically offer higher wages than school district food service programs or WIC clinics. The notable pay disparity reflects specialty areas like renal care or oncology, alongside income from cash-pay private practice or consulting roles. To maximize earning potential in this MO market, registered dietitians and nutritionists should consider further specialization, explore cash-pay models, and actively seek opportunities in corporate wellness programs that often yield higher compensation.
More salary data for O'Fallon, MO:
Frequently Asked Questions
How much do dietitians and nutritionists make in O'Fallon, MO in 2026?
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Can dietitians and nutritionists make $100K in O'Fallon?
What is the cost-of-living adjusted dietitian and nutritionist salary in O'Fallon?
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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
Salary figures on this page are 2026 projections based on the Bureau of Labor Statistics Occupational Employment and Wage Statistics (OEWS) survey, May 2026 release. The BLS reported a median annual salary of $63,731 for dietitians and nutritionistsin the O'Fallon metropolitan area. A 3.90% compound annual growth rate (CAGR), calculated from 6-year national BLS wage trends, was applied to project current 2026 compensation. Percentile ranges (P10–P90) represent the full salary distribution across experience levels and practice settings in this market.
Data Sources & Methodology
Salary data for O'Fallon is estimated from official BLS state-level occupational wage data (2025), adjusted for regional cost-of-living differences using BEA RPP (Regional Price Parities).
2026 figures are projected from 2025 BLS data using a compound annual growth rate (CAGR) of 3.90%, derived from historical BLS wage trends for dietitian and nutritionists (SOC 29-1031).
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