Dental Hygienist Salary in O'Fallon, IL: $82,831 (2026)
Quick Answer:A full-time dental hygienist in O'Fallon, IL earns a median $82,831/year (โ $39.82/hour) in nominal terms for 2026 โ projected from BLS OEWS 2025 (SOC 29-1292). Once you factor in O'Fallon's price level (3% below national, BEA RPP 97.1), that paycheck buys what $85,305 would nationally. Nominal pay sits 2.6% below the Illinois state average.
Based on BLS state-level estimates ยท View source

With a projected median annual salary of $82,831 for dental hygienists in O'Fallon, Illinois, compensation reflects adjustments for the local cost of living, which is slightly below the national average. The expected salary range spans from $62,672 at the 10th percentile to $105,880 at the 90th percentile, illustrating a significant disparity in earnings potential based on experience and workplace setting. These estimates, derived from BLS state-level data and adjusted for regional price parities, suggest that while the pay in O'Fallon remains close to the local averages, it falls short of the national median dental hygienist salary of $102,946 for 2026. The job market in O'Fallon is characterized by a limited number of employed dental hygienists, pointing to a competitive nature for openings in the area.
About the O'Fallon Market
Salary estimated from Illinois average ($95,078) adjusted for local cost of living.
Salary Breakdown
| Percentile | Annual | Hourly |
|---|---|---|
| Entry Level (P10) | $62,672 | $30.13 |
| Lower Range (P25) | $69,163 | $33.26 |
| Median (P50)(typical) | $82,831 | $39.82 |
| Upper Range (P75) | $89,323 | $42.94 |
| Top Earners (P90) | $105,880 | $50.91 |
Median Salary Position
19.54% below the national average
2026 Salary Percentile Distribution in O'Fallon
In O'Fallon, IL, the dental hygienist salary spread from the 10th to 90th percentile is $43,208 (2026 est.). At $82,831, the local median is 19.54% below the national median of $102,946.
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At 40 hours/week in O'Fallon: You'd be in the lower-middle range
How O'Fallon Dental Hygienist Pay Compares
O'Fallon median: $82,831/year (2026)
| Compared To | Median Salary | O'Fallon Pays |
|---|---|---|
| Illinois Average | $85,042 | -2.60% less |
| National Average | $102,946 | -19.54% less |
Dental Hygienists in O'Fallon, IL earn a median of $82,831 per year (2026 est.), which is 19.54% lower than the national median of $102,946 and 2.60% below the Illinois state average of $85,042.
Cost-of-Living Adjusted Salary
O'Fallon has a cost of living 2.90% below the national average, meaning your salary goes further here.
Adjusted salary = nominal ร (100 / CoL index). CoL index: 100 = national average.
O'Fallon, IL has a cost-of-living index of 97.1 (below the national average of 100). A dental hygienist earning $82,831 nominally has purchasing power equivalent to $85,305 in an average-cost city โ an effective 2.99% boost.
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2020 BLS Actual
$73,653
2025 BLS Actual
$78,932
2026 Current Est.
$82,831
2020โ2027 Growth
+18.0%
Salary Trajectory for Dental Hygienists in O'Fallon (2020โ2027)
2020โ2025: actual BLS OEWS data for this metro area. 2026+: CAGR 4.94% projection.
| Year | Annual Salary | Status |
|---|---|---|
| 2020 | $73,653 | Actual |
| 2021 | $74,421 | Actual |
| 2022 | $77,964 | Actual |
| 2023 | $90,143 | Actual |
| 2024 | $89,480 | Actual |
| 2025 | $78,932 | Actual |
| 2026(current) | $82,831 | Estimated |
| 2027 | $86,923 | Projected |
Based on 6 years of BLS OEWS data for the O'Fallon metropolitan area, the median dental hygienist salary grew 7.2% from $73,653 (2020) to $78,932 (2025). At a 4.94% compound annual growth rate, salaries are projected to reach $86,923 by 2027 โ a total increase of $13,270 (18.02%) from 2020.
Note: Historical values (2020โ2025) are actual BLS OEWS figures for the O'Fallon metropolitan area, sourced from annual Occupational Employment and Wage Statistics surveys. 2026โ2026 figures are current estimates, and 2027 values are projections, calculated using a 4.94% CAGR derived from 6-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) | $62,672 โ $69,163 |
| 3-5 years (Mid Career) | $69,163 โ $82,831 |
| 5+ years (Experienced) | $82,831 โ $89,323 |
| 10+ years (Top Earner) | $89,323 โ $105,880 |
RDH salary ranges estimated from BLS percentile data. Individual dental hygienist compensation varies by employer, certifications, and specialization.
Dental Hygienist Job Market in O'Fallon
For those working in O'Fallon, the current cost of living index stands at 97.1, which implies that salaries can stretch further in terms of purchasing power, yet they still encounter pressures common to neighboring regions. There's an ongoing demand for dental hygienists, with six professionals currently employed in the area, indicating a tightly knit market. To maximize potential earnings, dental hygienists should consider opportunities within Dental Service Organizations (DSOs) such as Heartland or Pacific Dental Services, which may offer competitive salaries and comprehensive benefits that private practices typically lack. Factors influencing the range of dental hygienist pay in O'Fallon include production-based bonuses, work schedules, and the availability of sign-on bonuses from DSOs. For aspiring professionals or those considering a move, aligning with practices focusing on periodontal care or group settings can enhance earning potential significantly.
More salary data for O'Fallon, IL:
Frequently Asked Questions
How much do dental hygienists make in O'Fallon, IL in 2026?
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Can dental hygienists make $100K in O'Fallon?
What is the cost-of-living adjusted dental hygienist salary in O'Fallon?
How much does a dental hygienist make per hour in O'Fallon?
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Written by Sarah Chen, RDH, BSDH
Dental Career Analyst
Sarah Chen is a registered dental hygienist with over 12 years of clinical experience. She specializes in salary benchmarking and career strategy, helping dental professionals make data-driven career decisions using official BLS statistics.
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 $78,932 for dental hygienistsin the O'Fallon metropolitan area. A 4.94% compound annual growth rate (CAGR), calculated from 6-year national BLS wage trends, was applied to project current 2026 compensation. Percentile ranges (P10โP90) 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 4.94%, derived from historical BLS wage trends for dental hygienists (SOC 29-1292).
Compiled and verified by Sarah Chen, RDH, BSDH, a licensed dental hygienist with 10+ years of clinical experience. ยท View source data at BLS.gov