Stationary Engineers and Boiler Operators Salary in the United States
Median annual wage: $78,620 · Median hourly: $37.80 · Employment: 28,250
Annual Salary Percentiles
| Percentile | Annual | Hourly |
|---|---|---|
| 10th | $50,590 | $24.32 |
| 25th | $63,160 | $30.37 |
| Median | $78,620 | $37.80 |
| 75th | $101,150 | $48.63 |
| 90th | $125,390 | $60.28 |
Quick Facts
- Occupational code: 51-8021
- Total U.S. employment: 28,250
- Jobs per 1,000: —
- Hourly salary breakdown
- All-state comparison
A closer look
The mean wage of $83,960 sits 6.8% above the median — the typical worker earns close to the median, while a smaller group of higher earners pulls the average up.
At $37.80 per hour, a full-time schedule (2,080 hours per year) works out to roughly $78,624 — in line with the reported median annual wage of $78,620.
Stationary Engineers and Boiler Operators Salary by State
The table below ranks every state by median annual wage. Click a state for detailed local data.
| State | Median Annual | Median Hourly | vs National | Employment |
|---|---|---|---|---|
| Alabama | $53,470 | $25.71 | -32.0% | 220 |
| Alaska | $88,330 | $42.47 | +12.4% | 90 |
| Arizona | $75,410 | $36.26 | -4.1% | 80 |
| Arkansas | $58,000 | $27.89 | -26.2% | 200 |
| California | $90,650 | $43.58 | +15.3% | 5,840 |
| Colorado | $81,310 | $39.09 | +3.4% | 560 |
| Connecticut | $94,870 | $45.61 | +20.7% | 270 |
| Delaware | $77,630 | $37.32 | -1.3% | 40 |
| District of Columbia | $90,470 | $43.50 | +15.1% | 620 |
| Florida | $65,040 | $31.27 | -17.3% | 170 |
| Georgia | $70,640 | $33.96 | -10.2% | 240 |
| Hawaii | $103,400 | $49.71 | +31.5% | 70 |
| Idaho | $64,460 | $30.99 | -18.0% | 120 |
| Illinois | $115,780 | $55.66 | +47.3% | 1,680 |
| Indiana | $67,560 | $32.48 | -14.1% | 290 |
| Iowa | $67,450 | $32.43 | -14.2% | 190 |
| Kansas | $64,490 | $31.00 | -18.0% | 120 |
| Kentucky | $66,770 | $32.10 | -15.1% | 90 |
| Louisiana | $47,750 | $22.96 | -39.3% | 290 |
| Maine | $62,910 | $30.24 | -20.0% | 290 |
| Maryland | $85,240 | $40.98 | +8.4% | 850 |
| Massachusetts | $80,800 | $38.85 | +2.8% | 530 |
| Michigan | $82,800 | $39.81 | +5.3% | 490 |
| Minnesota | $75,850 | $36.47 | -3.5% | 1,440 |
| Mississippi | $53,640 | $25.79 | -31.8% | 200 |
| Missouri | $72,620 | $34.91 | -7.6% | 380 |
| Montana | $77,690 | $37.35 | -1.2% | 110 |
| Nebraska | $64,930 | $31.22 | -17.4% | 290 |
| Nevada | $79,110 | $38.03 | +0.6% | 60 |
| New Hampshire | $66,180 | $31.82 | -15.8% | 60 |
| New Jersey | $76,560 | $36.81 | -2.6% | 1,400 |
| New Mexico | $74,480 | $35.81 | -5.3% | 100 |
| New York | $94,070 | $45.22 | +19.7% | 4,480 |
| North Carolina | $60,860 | $29.26 | -22.6% | 220 |
| North Dakota | $66,760 | $32.10 | -15.1% | 140 |
| Ohio | $75,470 | $36.29 | -4.0% | 760 |
| Oklahoma | $68,450 | $32.91 | -12.9% | 180 |
| Oregon | $67,630 | $32.51 | -14.0% | 330 |
| Pennsylvania | $72,900 | $35.05 | -7.3% | 1,730 |
| Rhode Island | $63,330 | $30.45 | -19.4% | 60 |
| South Carolina | $72,650 | $34.93 | -7.6% | 170 |
| South Dakota | $68,090 | $32.74 | -13.4% | 90 |
| Tennessee | $72,470 | $34.84 | -7.8% | 370 |
| Texas | $63,810 | $30.68 | -18.8% | 890 |
| Utah | $76,490 | $36.77 | -2.7% | 110 |
| Vermont | $68,400 | $32.89 | -13.0% | 70 |
| Virginia | $64,150 | $30.84 | -18.4% | 350 |
| Washington | $91,530 | $44.00 | +16.4% | 520 |
| West Virginia | $53,340 | $25.64 | -32.2% | 40 |
| Wisconsin | $61,170 | $29.41 | -22.2% | 270 |
| Wyoming | $111,920 | $53.81 | +42.4% | 100 |
Data source: BLS OES state file · U.S. BLS OES, May 2024 (updated April 2025)
Related Occupations
- Registered Nurses — $97,550/yr
- Cashiers — $32,880/yr
- Laborers and Freight, Stock, and Material Movers, Hand — $40,240/yr
- Stockers and Order Fillers — $37,330/yr
- Customer Service Representatives — $44,770/yr
- Office Clerks, General — $45,010/yr
Frequently Asked Questions
What is the average salary for stationary engineers and boiler operators?
The median annual wage for stationary engineers and boiler operators is $78,620 ($37.80 per hour), according to the BLS OES survey for May 2024.
Which state pays stationary engineers and boiler operators the most?
Wages vary by state. Use the state table above to compare median annual pay across all 50 states and Washington, D.C.
How many stationary engineers and boiler operators are employed in the U.S.?
There are approximately 28,250 stationary engineers and boiler operators employed nationally, per BLS OES.
How much do stationary engineers and boiler operators make per hour?
The median hourly wage is $37.80. See the hourly salary page for the full percentile breakdown.