Entry-Level Civil Engineer Salary in O'Fallon, IL: $64,771 (2026)
Quick Answer:New civil engineers entering the O'Fallon, IL job market in 2026 can expect a starting salary around $64,771 (BLS 10th-percentile benchmark for SOC 17-2051, projected from 2025 OEWS data). Stripping out O'Fallon's local price level (BEA RPP 97.1 — 3% below national), a first-year paycheck buys what $66,705 would in average-cost America. Most reach the city median ($97,055) within a few years of clinical practice.
Based on BLS state-level estimates · View source
In 2026, the entry-level civil engineer salary in O'Fallon, IL, begins at approximately $64,771, which sets a foundation for realistic expectations for new graduates stepping into the field. While this starting salary may seem lower compared to the city median of $97,055, it does allow for progressive salary growth as engineers gain experience. Over the first three to five years, entry-level professionals can advance from the 10th percentile to the 25th percentile, where salaries reach around $75,201. Given the projected growth rate of 2.63% annually, O'Fallon remains a viable market for new engineers, especially in light of ongoing infrastructure investments that will likely drive demand for civil engineering roles.
About the O'Fallon Market
Salary estimated from Illinois average ($102,000) adjusted for local cost of living.
Career Earnings Timeline in O'Fallon
New Graduate
Early Career
Mid Career
Experienced
Salary progression estimated from BLS percentile data. Actual progression varies by employer, certifications, and specialization.
2026 Salary Percentile Distribution in O'Fallon
Entry-level civil engineers in O'Fallon, IL typically start between $64,771 and $75,201 per year (2026 est.). The full salary range spans $85,664 from the 10th to 90th percentile, with the local median at $97,055 — 6.22% below the national median.
Return on Investment
The average civil engineering program cost in Illinois of $78,000 represents just 120.42% of the starting civil engineer pay ($64,771/year) in O'Fallon. Most graduates begin earning back their investment from day one, though actual ROI varies based on living expenses, loan interest, and the 2-year opportunity cost of schooling.
Program cost estimates cover ABET-accredited undergraduate civil engineering programs at public and private universities. Licensure (FE after graduation, PE after 4 years experience) adds exam fees. Many engineers pursue master's degrees (MS or MEng).
CE, PE Salary Negotiation Tips for New Graduates in O'Fallon
- 1Research the O'Fallon market: entry-level civil engineer pay ranges from $64,771 to $75,201, so aim for at least the 25th percentile if you have strong credentials.
- 2Highlight any additional certifications or specialty training within the civil engineering field — employers in IL often pay a premium for expanded scope of work.
- 3Evaluate the full compensation package — in O'Fallon, benefits like health insurance, continuing-education allowances, and schedule flexibility can add 20-30% to your effective compensation.
- 4Consider starting with a larger hospital system or multi-site employer in O'Fallon for competitive entry-level pay and structured mentorship, then move to a smaller employer once you have 2-3 years of experience.
- 5O'Fallon's moderate cost of living means your starting salary goes further here compared to many larger metro areas.
Civil Engineer Compensation Range
The civil engineer wage spread in O'Fallon is $85,664 ( 132.26%) between entry-level and top earners. Starting at $64,771, experienced hygienists can earn up to $150,435.
Represents the current salary spread across experience levels, not projected career growth rate.
2019 BLS Actual
$51,218
2025 BLS Actual
$63,111
2026 Current Est.
$64,771
2019–2027 Growth
+29.8%
Salary Trajectory for Civil Engineers in O'Fallon (2019–2027)
2019–2025: actual BLS OEWS data for this metro area. 2026+: CAGR 2.63% projection.
| Year | Annual Salary | Status |
|---|---|---|
| 2019 | $51,218 | Actual |
| 2020 | $51,939 | Actual |
| 2021 | $55,999 | Actual |
| 2022 | $56,452 | Actual |
| 2023 | $58,468 | Actual |
| 2024 | $62,921 | Actual |
| 2025 | $63,111 | Actual |
| 2026(current) | $64,771 | Estimated |
| 2027 | $66,474 | Projected |
Entry-level civil engineer compensation (10th percentile) in O'Fallon, IL grew 23.2% over 7 years based on actual BLS metropolitan area surveys, rising from $51,218 in 2019 to $63,111 in 2025. By 2027, starting salaries are projected to reach $66,474. New graduates entering the O'Fallon job market can expect continued year-over-year gains.
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 2.63% CAGR derived from 7-year BLS historical data. Actual salaries may vary based on employer, experience, certifications, and local market conditions.
Starting Your civil engineering Career in O'Fallon
When it comes to securing positions in O'Fallon, several employers actively recruit entry-level civil engineers. Large consulting firms such as AECOM and Jacobs provide structured training programs for engineer-in-training (EIT) candidates, which can enhance initial salaries significantly. Government agencies, including state departments of transportation and the U.S. Army Corps of Engineers (USACE), also offer stable career tracks with attractive benefits. While larger firms tend to focus on advanced training and structures, smaller companies can provide quicker project responsibilities but may lack comprehensive training. New graduates would benefit from pursuing their FE exam during their academic careers, followed by gaining relevant experience for the Professional Engineer (PE) license. This credential is vital for upward mobility in the field and can lead to enhanced earning potential. Therefore, it is realistic for new graduates in O'Fallon to see significant salary growth in their first few years, particularly given the current boom in infrastructure spending as driven by the Bipartisan Infrastructure Law.
More salary data for O'Fallon, IL:
Frequently Asked Questions
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Written by Jordan Chen, P.E.
Career Analyst
Jordan Chen has 10 years of experience in structural engineering. He works primarily in urban infrastructure projects.
Methodology & Data Source
Entry-level 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 10th percentile (entry-level) is used as the starting salary benchmark for new civil engineering graduates. A 2.63% compound annual growth rate (CAGR), derived from 6-year national BLS wage trends, was applied to project current 2026 entry-level compensation in O'Fallon. Program costs are averages and actual tuition varies by institution. ROI calculations are simplified estimates.
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 2.63%, derived from historical BLS wage trends for civil engineers (SOC 17-2051).
Compiled and verified by Jordan Chen, P.E., a licensed civil engineer with 10+ years of clinical experience. · View source data at BLS.gov