How much do Stationary Engineers and Boiler Operators make in Springfield, IL?

Percentile spread

For Stationary Engineers and Boiler Operators, the published 10th percentile is $62,740 and the 90th percentile is $158,390. The difference is $95,650, which is 81.3% of the median. Ten percent of measured wages fall below the 10th percentile and ten percent fall above the 90th. How to read a percentile.

The middle half of the distribution, from the 25th percentile at $84,950 to the 75th at $134,390, covers $49,440.

The mean annual wage is $114,300, which sits below the median of $117,590. Median and mean measure different points in the same distribution.

National and state comparison

The Springfield, IL median is 49.6% higher than the national median of $78,620 for Stationary Engineers and Boiler Operators. In 2024 national prices the local median is $126,789, which is 61.3% higher than that same national median. The national figure is already in national prices because the United States parity is 100.

It is 1.6% higher than the Illinois median of $115,780.

Price-adjusted pay

The 2024 all-items regional price parity for Springfield, IL is 92.745, with the United States at 100. The Bureau of Economic Analysis released those parities on February 19, 2026. Dividing the May 2025 median of $117,590 by that parity and multiplying by 100 puts Stationary Engineers and Boiler Operators at $126,789 in national prices. The wage year and the price year are different. Compare this wage after prices.

Nearby metros

4 other metropolitan areas within 200 miles publish a annual median for Stationary Engineers and Boiler Operators. Springfield, IL ranks 1st of 5 on that median, counting itself. Distance is the great-circle mileage between Census Bureau internal points (U.S. Census Bureau, 2024 Gazetteer Files, Core Based Statistical Areas, internal points (INTPTLAT, INTPTLONG).).

• St. Louis, MO-IL is 83 miles away, with a median of $75,610 and employment of 240. That median is 35.7% lower than the median here. In 2024 national prices it is $79,516, against $126,789 here.
• Davenport-Moline-Rock Island, IA-IL is 115 miles away, with a median of $85,180 and employment of 40. That median is 27.6% lower than the median here. In 2024 national prices it is $95,623, against $126,789 here.
• Chicago-Naperville-Elgin, IL-IN is 165 miles away, with a median of $115,780 and employment of 1,210. That median is 1.5% lower than the median here. In 2024 national prices it is $111,762, against $126,789 here.

Employment share

Stationary Engineers and Boiler Operators accounts for 0.06% of wage-and-salary employment in Springfield, IL (60 of 100,810). Nationally the occupation is 0.02% of employment (28,250 of 155,495,730). The local share is 3.28 times the national share. That ratio is the location quotient computed from these May 2025 employment counts. It is not copied from the location-quotient column in the BLS bulk file.