Boilermaker salary in Idaho
Median $42.50 an hour for 70 boilermakers, May 2025, with the union scale by county and the trend since 1999.
Boilermaker pay in Idaho: the full range
Idaho ranks 11th of 37 states for median boilermaker pay, and 10th once adjusted for cost of living (the cost-of-living-adjusted median is $44.50). 70 boilermakers work in the state.
| Career stage (approximate) | Hourly | Annual | Where it sits in the distribution |
|---|---|---|---|
| Apprentice / entry | $33.66 – $35.90 | $70,010 – $74,670 | roughly the 10th–25th percentile |
| Journeyman | $35.90 – $50.77 | $74,670 – $105,600 | the middle half, around the median |
| Master / foreman / specialist | $50.77 – $57.00 | $105,600 – $118,560 | the 75th–90th percentile and above |
Where does your pay fall?
Boilermaker wages in Idaho over time
Table
| Year | Idaho $/hr | In 2025 $ | US $/hr | Jobs |
|---|---|---|---|---|
| 1999 | $11.31 | $21.86 | $18.09 | — |
| 2001 | $16.23 | $29.50 | $19.06 | — |
| 2002 | $18.21 | $32.59 | $20.17 | — |
| 2003 | $18.21 | $31.86 | $20.79 | 90 |
| 2004 | $21.97 | $37.44 | $21.68 | 70 |
| 2005 | $22.98 | $37.88 | $23.10 | 50 |
| 2009 | $23.58 | $35.39 | $26.97 | — |
| 2014 | $30.77 | $41.84 | $28.78 | 90 |
| 2015 | $31.82 | $43.22 | $28.90 | — |
| 2016 | $32.40 | $43.46 | $29.84 | — |
| 2023 | $32.90 | $34.76 | $34.20 | 80 |
| 2024 | $34.47 | $35.38 | $35.26 | 100 |
| 2025 | $42.50 | $42.50 | $36.74 | 70 |
In today's dollars, the median boilermaker wage in Idaho changed by -1.7% over the last ten years of data.
Union scale and prevailing wage for boilermakers in Idaho
On federally funded construction in Idaho, contractors must pay boilermakers at least the Davis-Bacon rate for the county. 7 of the 7 counties with a Building rate use a union contract rate (typical package $76.05 an hour including fringe); the rest use a survey rate (typical —). The market median for the state is $42.50.
| County | Rate source | Base | Fringe | Total | Determination |
|---|---|---|---|---|---|
| Benewah | Union BOIL0242-001 2025-01-01 | $47.67 | $28.38 | $76.05 | ID20260008 |
| Bonner | Union BOIL0242-001 2025-01-01 | $47.67 | $28.38 | $76.05 | ID20260010 |
| Boundary | Union BOIL0242-001 2025-01-01 | $47.67 | $28.38 | $76.05 | ID20260011 |
| Clearwater | Union BOIL0242-001 2025-01-01 | $47.67 | $28.38 | $76.05 | ID20260014 |
| Latah | Union BOIL0242-001 2025-01-01 | $47.67 | $28.38 | $76.05 | ID20260015 |
| Idaho | Union BOIL0004-003 2025-01-01 | $44.37 | $26.87 | $71.24 | ID20260024 |
| Lewis | Union BOIL0004-003 2025-01-01 | $44.37 | $26.87 | $71.24 | ID20260024 |
Building construction type, current revisions as of 2026-09-28. Residential, Heavy and Highway rates differ; look them up on the Idaho prevailing wage page. This is not the official wage determination.
Is construction work growing in Idaho?
Contractor pay by county
Average pay at specialty trade contractors establishments by county (all employees, not just boilermakers), from the Quarterly Census of Employment and Wages, 2025 annual averages.
| County | Employees | Average annual pay | Avg weekly wage |
|---|---|---|---|
| Ada County | 14,647 | $76,455 | $1,470 |
| Franklin County | 249 | $72,834 | $1,401 |
| Butte County | 43 | $70,911 | $1,364 |
| Nez Perce County | 724 | $70,436 | $1,355 |
| Shoshone County | 130 | $67,238 | $1,293 |
| Minidoka County | 399 | $66,326 | $1,275 |
| Bannock County | 2,005 | $63,744 | $1,226 |
| Jerome County | 480 | $63,301 | $1,217 |
| Kootenai County | 4,664 | $63,054 | $1,213 |
| Blaine County | 1,619 | $62,835 | $1,208 |
| Teton County | 516 | $62,544 | $1,203 |
| Twin Falls County | 1,539 | $62,244 | $1,197 |
| Canyon County | 9,273 | $61,771 | $1,188 |
| Bonneville County | 3,146 | $61,277 | $1,178 |
| Lemhi County | 158 | $60,788 | $1,169 |
| Bingham County | 948 | $58,471 | $1,124 |
| Valley County | 285 | $58,132 | $1,118 |
| Payette County | 326 | $55,929 | $1,076 |
| Boise County | 74 | $54,998 | $1,058 |
| Owyhee County | 172 | $54,953 | $1,057 |
| Clearwater County | 78 | $54,015 | $1,039 |
| Jefferson County | 920 | $53,722 | $1,033 |
| Idaho County | 260 | $53,672 | $1,032 |
| Elmore County | 240 | $53,358 | $1,026 |
| Boundary County | 202 | $53,080 | $1,021 |
| Bonner County | 662 | $52,969 | $1,019 |
| Latah County | 412 | $52,729 | $1,014 |
| Gem County | 274 | $52,281 | $1,005 |
| Oneida County | 33 | $51,669 | $994 |
| Lincoln County | 122 | $51,521 | $991 |
| Power County | 61 | $51,368 | $988 |
| Gooding County | 202 | $50,767 | $976 |
| Cassia County | 296 | $50,152 | $964 |
| Fremont County | 225 | $49,795 | $958 |
| Adams County | 64 | $49,170 | $946 |
| Madison County | 477 | $48,640 | $935 |
| Benewah County | 64 | $48,590 | $934 |
| Custer County | 32 | $36,473 | $701 |
| Bear Lake County | — | — | — |
| Camas County | — | — | — |
| Caribou County | — | — | — |
| Clark County | — | — | — |
| Lewis County | — | — | — |
| Washington County | — | — | — |
Keep comparing
Boilermaker pay in neighbouring states
Other trades in Idaho
Questions this page answers
How much do boilermakers make in Idaho?
The median boilermaker in Idaho earned $42.50 an hour ($88,400 a year) in May 2025, 16% above the national median of $36.74. The middle half earn $35.90–$50.77; the top 10% earn more than $57.00.
Where does Idaho rank for boilermaker pay?
Idaho ranks 11th of 37 states for boilermaker pay, with a median of $42.50 an hour, and 10th after adjusting for Idaho's cost of living (BEA price parity 95.5, US = 100).
What is the union boilermaker rate in Idaho?
Davis-Bacon determinations list a union contract rate for boilermakers in 7 counties, with a typical package of $76.05 an hour including fringe benefits; see the county table above.
How many boilermakers work in Idaho?
BLS counted 70 boilermakers in Idaho in May 2025, 0.1 per 1,000 jobs (location quotient 1.17; 1.0 is the national average concentration).
Sources and notes
- BLS Occupational Employment and Wage Statistics, May 2025, Idaho and metro areas, SOC 47-2011.
- BLS Current Employment Statistics, state construction employment through 2026-08.
- BLS Quarterly Census of Employment and Wages, 2025 annual averages.
- BEA Regional Price Parities (cost-of-living adjustment).
- SAM.gov Davis-Bacon wage determinations, current revisions as of 2026-09-28. Not the official determination.