Certified Nursing Assistant Salary in O'Fallon, MO: $38,761 (2026)
Quick Answer:A full-time certified nursing assistant in O'Fallon, MO earns a median $38,761/year (≈ $18.64/hour) in nominal terms for 2026 — projected from BLS OEWS 2025 (SOC 31-1131). Once you factor in O'Fallon's price level (10% below national, BEA RPP 89.6), that paycheck buys what $43,260 would nationally. Nominal pay sits 0.1% below the Missouri state average.
Based on BLS state-level estimates · View source
In O'Fallon, Missouri, certified nursing assistants are projected to earn a median annual salary of $38,761 in 2026. This figure is notably lower than the national median of $45,007, highlighting a significant difference in compensation for CNAs in the region. Salaries vary across the spectrum, with a range from $30,313 at the 10th percentile to $49,353 at the 90th percentile. The data sources for these estimates are derived from 2025 BLS data and adjusted according to regional cost of living indices. As O'Fallon continues to develop its healthcare services, recently certified nursing assistants may find opportunities for career advancement, particularly through bridging programs to LPN and RN credentials, helping enhance their earnings potential in a competitive job market.
About the O'Fallon Market
Salary estimated from Missouri average ($31,000) adjusted for local cost of living.
Salary Breakdown
| Percentile | Annual | Hourly |
|---|---|---|
| Entry Level (P10) | $30,313 | $14.57 |
| Lower Range (P25) | $33,273 | $16.00 |
| Median (P50)(typical) | $38,761 | $18.64 |
| Upper Range (P75) | $43,129 | $20.74 |
| Top Earners (P90) | $49,353 | $23.73 |
Median Salary Position
13.88% below the national average
2026 Salary Percentile Distribution in O'Fallon
In O'Fallon, MO, the certified nursing assistant salary spread from the 10th to 90th percentile is $19,040 (2026 est.). At $38,761, the local median is 13.88% below the national median of $45,007.
Salary Calculator
At 40 hours/week in O'Fallon: You'd be in the lower-middle range
How O'Fallon Certified Nursing Assistant Pay Compares
O'Fallon median: $38,761/year (2026)
| Compared To | Median Salary | O'Fallon Pays |
|---|---|---|
| Missouri Average | $38,799 | -0.10% less |
| National Average | $45,007 | -13.88% less |
Certified Nursing Assistants in O'Fallon, MO earn a median of $38,761 per year (2026 est.), which is 13.88% lower than the national median of $45,007 and 0.10% below the Missouri state average of $38,799.
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 certified nursing assistant earning $38,761 nominally has purchasing power equivalent to $43,260 in an average-cost city — an effective 11.61% boost.
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2019 BLS Actual
$25,544
2025 BLS Actual
$36,395
2026 Current Est.
$38,761
2019–2027 Growth
+61.6%
Salary Trajectory for Certified Nursing Assistants in O'Fallon (2019–2027)
2019–2025: actual BLS OEWS data for this metro area. 2026+: CAGR 6.50% projection.
| Year | Annual Salary | Status |
|---|---|---|
| 2019 | $25,544 | Actual |
| 2020 | $26,569 | Actual |
| 2021 | $26,103 | Actual |
| 2022 | $30,797 | Actual |
| 2023 | $32,898 | Actual |
| 2024 | $27,761 | Actual |
| 2025 | $36,395 | Actual |
| 2026(current) | $38,761 | Estimated |
| 2027 | $41,280 | Projected |
Based on 7 years of BLS OEWS data for the O'Fallon metropolitan area, the median certified nursing assistant salary grew 42.5% from $25,544 (2019) to $36,395 (2025). At a 6.50% compound annual growth rate, salaries are projected to reach $41,280 by 2027 — a total increase of $15,736 (61.60%) 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 6.50% 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) | $30,313 – $33,273 |
| 3-5 years (Mid Career) | $33,273 – $38,761 |
| 5+ years (Experienced) | $38,761 – $43,129 |
| 10+ years (Top Earner) | $43,129 – $49,353 |
CNA salary ranges estimated from BLS percentile data. Individual certified nursing assistant compensation varies by employer, certifications, and specialization.
Certified Nursing Assistant Job Market in O'Fallon
The local job market for certified nursing assistants is relatively stable, with 22 individuals currently employed in O'Fallon. The cost of living index stands at 89.6, suggesting that although salaries are lower compared to national averages, the purchasing power is fairly reasonable. Among the various employers in the area, skilled nursing facilities and home health agencies typically offer the highest pay rates. The compensation variations can be attributed to several factors, including shift differentials where night shifts may earn an additional $2 to $4 per hour and weekend shifts can command premiums of $1 to $3. Certified nursing assistants with additional qualifications, such as CMA certification, can further enhance their pay scale. For those looking to maximize earnings, pursuing shifts during weekends or at facilities that experience high patient acuity may present the best opportunities in O'Fallon’s market.
More salary data for O'Fallon, MO:
Frequently Asked Questions
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Written by Emily Chen, BSN, RN
Career Analyst
Emily has over 10 years of experience in nursing. She focuses on workforce trends in nursing. Emily has worked in various healthcare settings, including hospitals and long-term care facilities.
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 $36,395 for certified nursing assistantsin the O'Fallon metropolitan area. A 6.50% 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 6.50%, derived from historical BLS wage trends for certified nursing assistants (SOC 31-1131).
Compiled and verified by Emily Chen, BSN, RN, a licensed certified nursing assistant with 10+ years of clinical experience. · View source data at BLS.gov