Mount Prospect vs Springfield: Diagnostic Medical Sonographer Salary (2026)
Compare diagnostic medical sonographer salaries between Mount Prospect, IL and Springfield, IL. All figures are 2026 estimates projected from BLS 2025 data.
Side-by-Side Comparison
| Metric | Mount Prospect, IL | Springfield, IL |
|---|---|---|
| Median Salary | $101,468 | $103,325▲ |
| Hourly Rate | $48.78 | $49.67▲ |
| Entry Level (P10) | $69,122 | $84,689▲ |
| 25th Percentile | $82,140 | $85,287▲ |
| 75th Percentile | $111,868▲ | $108,319 |
| Top Earner (P90) | $133,867▲ | $114,206 |
| Total Employed | 13 | 120▲ |
Verdict
Springfield, IL offers better overall compensation for diagnostic medical sonographers, winning 3 out of 4 metrics compared to Mount Prospect.
The salary gap between Mount Prospect and Springfield is $1,857 (1.83%). Springfield's median is +1.95% compared to the US national median of $101,352.
Salary Range Comparison
The full salary range (10th to 90th percentile) in Mount Prospect spans $64,745,Springfield spans $29,517. Mount Prospect 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 ($111,408 effective) pays 6.61% more than Mount Prospect ($104,498 effective).
Cost-of-living adjustment: salary × (100 / CoL index). Index of 100 = national average.
Which City Is Right for You?
Choose Mount Prospect if…
- ✓Better top-earner potential ($133,867)
- ✓You prefer the Illinois area and lifestyle
Choose Springfield if…
- ✓Higher median salary ($103,325/year)
- ✓Larger job market (120 employed)
- ✓Better purchasing power (CoL-adjusted: $111,408)
- ✓You prefer the Illinois area and lifestyle
Historical Salary Growth Comparison
Based on BLS OEWS metropolitan area data, diagnostic medical sonographer salaries in Mount Prospect grew 18.6% from 2024 to 2025, compared to 30.1% growth in Springfield over the same period.
Mount Prospect, IL
$81,527 (2024) → $96,701 (2025)
Springfield, IL
$75,680 (2019) → $98,470 (2025)
View Full Salary Data
Mount Prospect, IL
Springfield, IL
Frequently Asked Questions
Which city pays diagnostic medical sonographers more: Mount Prospect or Springfield?
What is the hourly rate difference between Mount Prospect and Springfield?
Should I relocate from Mount Prospect to Springfield as a diagnostic medical sonographer?
What do entry-level diagnostic medical sonographers earn in Mount Prospect vs Springfield?
Related Comparisons
Written by Aisha Khan, RDMS, RVT
Career Analyst
Aisha has over 10 years of experience in abdominal sonography. She works at a regional hospital. Aisha also conducts training for new sonographers.
Methodology & Data Source
All salary figures are 2026 projections based on BLS OEWS May 2025 data. A 4.93% 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 Aisha Khan, RDMS, RVT, a licensed diagnostic medical sonographer with 10+ years of clinical experience. · View source data at BLS.gov