O'Fallon vs Springfield: Electrical Engineer Salary (2026)
Compare electrical engineer salaries between O'Fallon, IL and Springfield, IL. All figures are 2026 estimates projected from BLS 2025 data.
Side-by-Side Comparison
| Metric | O'Fallon, IL | Springfield, IL |
|---|---|---|
| Median Salary | $102,938 | $105,661▲ |
| Hourly Rate | $49.49 | $50.80▲ |
| Entry Level (P10) | $64,226 | $64,636▲ |
| 25th Percentile | $77,346 | $84,506▲ |
| 75th Percentile | $127,441 | $131,449▲ |
| Top Earner (P90) | $155,835▲ | $142,384 |
| Total Employed | 6 | 70▲ |
Verdict
Springfield, IL offers better overall compensation for electrical engineers, winning 3 out of 4 metrics compared to O'Fallon.
The salary gap between O'Fallon and Springfield is $2,723 (2.65%). Springfield's median is -15.49% compared to the US national median of $125,033.
Salary Range Comparison
The full salary range (10th to 90th percentile) in O'Fallon spans $91,609,Springfield spans $77,748. O'Fallon has a wider pay range, meaning more potential for high earners but also more variation.
Cost-of-Living Adjusted Comparison
After cost-of-living adjustment, Springfield ($113,926 effective) pays 7.47% more than O'Fallon ($106,012 effective).
Cost-of-living adjustment: salary × (100 / CoL index). Index of 100 = national average.
Which City Is Right for You?
Choose O'Fallon if…
- ✓Better top-earner potential ($155,835)
- ✓You prefer the Illinois area and lifestyle
Choose Springfield if…
- ✓Higher median salary ($105,661/year)
- ✓Larger job market (70 employed)
- ✓Better purchasing power (CoL-adjusted: $113,926)
- ✓You prefer the Illinois area and lifestyle
Historical Salary Growth Comparison
Based on BLS OEWS metropolitan area data, electrical engineer salaries in O'Fallon grew -8.7% from 2024 to 2025, compared to 5.3% growth in Springfield over the same period.
O'Fallon, IL
$108,787 (2024) → $99,313 (2025)
Springfield, IL
$96,790 (2019) → $101,940 (2025)
View Full Salary Data
O'Fallon, IL
Springfield, IL
Frequently Asked Questions
Which city pays electrical engineers more: O'Fallon or Springfield?
What is the hourly rate difference between O'Fallon and Springfield?
Should I relocate from O'Fallon to Springfield as a electrical engineer?
What do entry-level electrical engineers earn in O'Fallon vs Springfield?
Related Comparisons
Written by Amina Patel, MEng, PE
Career Analyst
Amina has over 10 years of experience in power systems engineering. She works at a utility company specializing in renewable energy integration.
Methodology & Data Source
All salary figures are 2026 projections based on BLS OEWS May 2025 data. A 3.65% CAGR (derived from 6-year national BLS trends) was applied to estimate current compensation. Cost-of-living adjustments use BEA Regional Price Parity data. Actual salaries vary by employer, certifications, and experience.
Data Sources & Methodology
Source: BLS, OEWS , released .
Compiled and verified by Amina Patel, MEng, PE, a licensed electrical engineer with 10+ years of clinical experience. · View source data at BLS.gov