Medical Billing and Coding Specialist Salary in O'Fallon, IL: $28,888 (2026)
Quick Answer:A full-time medical billing and coding specialist in O'Fallon, IL earns a median $28,888/year (≈ $13.88/hour) in nominal terms for 2026 — projected from BLS OEWS 2025 (SOC 29-2072). Once you factor in O'Fallon's price level (3% below national, BEA RPP 97.1), that paycheck buys what $29,751 would nationally. Nominal pay sits 2.6% below the Illinois state average.
Based on BLS state-level estimates · View source
In O'Fallon, IL, the projected median annual salary for medical billing and coding specialists in 2026 is $28,888, which reflects a slight decline compared to the national median of $30,349. The local salary range extends from $20,673 at the 10th percentile to $44,776 at the 90th percentile, indicating the variation of income opportunities based on experience and specialization. These figures are derived from estimates based on 2025 BLS data and adjusted for regional cost factors. The job market in O'Fallon is further influenced by the surge in remote work options post-2020, providing local coders with broader geographic opportunities that can be crucial for maximizing their potential earnings.
About the O'Fallon Market
Salary estimated from Illinois average ($50,000) adjusted for local cost of living.
Salary Breakdown
| Percentile | Annual | Hourly |
|---|---|---|
| Entry Level (P10) | $20,673 | $9.94 |
| Lower Range (P25) | $24,078 | $11.57 |
| Median (P50)(typical) | $28,888 | $13.88 |
| Upper Range (P75) | $35,753 | $17.19 |
| Top Earners (P90) | $44,776 | $21.53 |
Median Salary Position
4.81% below the national average
2026 Salary Percentile Distribution in O'Fallon
In O'Fallon, IL, the medical billing and coding specialist salary spread from the 10th to 90th percentile is $24,103 (2026 est.). At $28,888, the local median is 4.81% below the national median of $30,349.
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At 40 hours/week in O'Fallon: You'd be in the lower-middle range
How O'Fallon Medical Billing and Coding Specialist Pay Compares
O'Fallon median: $28,888/year (2026)
| Compared To | Median Salary | O'Fallon Pays |
|---|---|---|
| Illinois Average | $29,659 | -2.60% less |
| National Average | $30,349 | -4.81% less |
Medical Billing and Coding Specialists in O'Fallon, IL earn a median of $28,888 per year (2026 est.), which is 4.81% lower than the national median of $30,349 and 2.60% below the Illinois state average of $29,659.
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 × (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 medical billing and coding specialist earning $28,888 nominally has purchasing power equivalent to $29,751 in an average-cost city — an effective 2.99% boost.
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2021 BLS Actual
$25,760
2025 BLS Actual
$28,233
2026 Current Est.
$28,888
2021–2027 Growth
+14.7%
Salary Trajectory for Medical Billing and Coding Specialists in O'Fallon (2021–2027)
2021–2025: actual BLS OEWS data for this metro area. 2026+: CAGR 2.32% projection.
| Year | Annual Salary | Status |
|---|---|---|
| 2021 | $25,760 | Actual |
| 2022 | $26,047 | Actual |
| 2023 | $26,930 | Actual |
| 2024 | $47,299 | Actual |
| 2025 | $28,233 | Actual |
| 2026(current) | $28,888 | Estimated |
| 2027 | $29,558 | Projected |
Based on 5 years of BLS OEWS data for the O'Fallon metropolitan area, the median medical billing and coding specialist salary grew 9.6% from $25,760 (2021) to $28,233 (2025). At a 2.32% compound annual growth rate, salaries are projected to reach $29,558 by 2027 — a total increase of $3,798 (14.74%) from 2021.
Note: Historical values (2021–2025) 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 2.32% CAGR derived from 5-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) | $20,673 – $24,078 |
| 3-5 years (Mid Career) | $24,078 – $28,888 |
| 5+ years (Experienced) | $28,888 – $35,753 |
| 10+ years (Top Earner) | $35,753 – $44,776 |
MBS salary ranges estimated from BLS percentile data. Individual medical billing and coding specialist compensation varies by employer, certifications, and specialization.
Medical Billing and Coding Specialist Job Market in O'Fallon
The local job market for medical billing and coding specialists currently employs six professionals, underscoring the limited competition in O'Fallon. With a cost-of-living index of 97.1, which is below the national average, the purchasing power for coders in this area benefits from a more affordable lifestyle. Employers such as physician group practices and third-party coding companies typically offer better salaries compared to hospital inpatient coding departments, highlighting the importance of specialty and workplace structure in determining pay levels. The discrepancy in earnings is often influenced by factors such as specialty focus—where inpatient CCS certification can command higher rates than outpatient CPC—and additional credentials, such as the CRC or compliance certifications. For professionals looking to enhance their compensation, considering remote work-offered positions and actively pursuing professional development through platforms like AAPC or AHIMA could provide a significant advantage in this evolving field.
More salary data for O'Fallon, IL:
Frequently Asked Questions
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Written by Amina Patel, CPC
Career Analyst
Amina has 10 years of experience in medical billing. She specializes in outpatient coding for multi-specialty practices.
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 $28,233 for medical billing and coding specialistsin the O'Fallon metropolitan area. A 2.32% 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 2.32%, derived from historical BLS wage trends for medical billing and coding specialists (SOC 29-2072).
Compiled and verified by Amina Patel, CPC, a licensed medical billing and coding specialist with 10+ years of clinical experience. · View source data at BLS.gov