Skilled Wages

Diesel mechanic salary in Idaho

Median $28.48 an hour for 1,930 diesel mechanics, May 2025, with the union scale by county, the job trend since 1999 and the state's own outlook.

$28.48/hrMedian hourly wageIdaho, May data
$59,230/yrMedian annual payfull-time equivalent
$22.10 – $37.4110th to 90th percentilehourly range
1,930Jobs countedemployer survey

Diesel mechanic pay in Idaho: the full range

Wage percentiles, IdahoMarket wage, 10th-90th pctU.S. reference$10$20$30$40$50/hrIdaho: 10th $22.10 · 25th $23.43 · median $28.48 · 75th $33.35 · 90th $37.41Idaho$28.48$22.10$37.41United States: 10th $21.41 · 25th $24.30 · median $29.70 · 75th $36.29 · 90th $42.66United States$29.70
Hourly wage percentiles for diesel mechanics: Idaho vs United States, May 2025.

Idaho ranks 38th of 51 states for median diesel mechanic pay, and 38th once adjusted for cost of living (the cost-of-living-adjusted median is $29.82). 1,930 diesel mechanics work in the state. The top 10% earn 1.7× what the bottom 10% earn.

Career stage (approximate)HourlyAnnualWhere it sits in the distribution
Apprentice / entry level$22.10 – $23.43$45,960 – $48,740roughly the 10th to 25th percentile
Journeyman$23.43 – $33.35$48,740 – $69,370the middle half, around the median
Master, foreman or specialist$33.35 – $37.41$69,370 – $77,800the 75th to 90th percentile and above

Where does your pay fall?



Diesel mechanic pay by metro in Idaho

Ranked median wages$0$10$20$30$40/hrLogan: $30.58Logan$30.58Lewiston: $30.13Lewiston$30.13Coeur d'Alene: $29.85Coeur d'Alene$29.85Boise: $29.01Boise$29.01Idaho Falls: $28.31Idaho Falls$28.31Twin Falls: $27.79Twin Falls$27.79Pocatello: $27.06Pocatello$27.06
Median hourly wage for diesel mechanics by metro area in Idaho, May 2025.
Metro10thMedian $/hrCost-of-living adjusted90thJobsvs state
Logan$21.93$30.58$31.89$36.25507% above
Lewiston$23.37$30.13$33.04$37.17706% above
Coeur d'Alene$23.21$29.85$30.37$40.031105% above
Boise$22.52$29.01$29.48$38.167302% above
Idaho Falls$22.18$28.31$29.99$36.302201% below
Twin Falls$20.80$27.79$30.17$36.192002% below
Pocatello$22.10$27.06$30.44$33.52705% below

Cost-of-living adjusted: median divided by the BEA regional price parity for the metro (2024, US = 100).

Diesel mechanic wages in Idaho over time

Idaho, 1999-2025IdahoUnited StatesSOC 2010SOC 2018 / Method changeExact wages$10$15$20$25$30$35200020052010201520202025$29.70United States$28.48Idaho
Median hourly wage for diesel mechanics, Idaho vs United States, 1999–2025, nominal dollars.
Table
YearIdaho $/hrIn 2025 $US $/hrJobs
1999$14.40$27.83$14.771,410
2000$14.29$26.72$15.551,290
2001$14.56$26.47$16.141,190
2002$15.22$27.24$16.531,140
2003$15.42$26.98$16.811,080
2004$15.35$26.16$17.20990
2005$16.11$26.56$17.611,190
2006$16.26$25.97$18.111,350
2007$18.17$28.21$18.581,380
2008$18.02$26.95$18.941,560
2009$18.32$27.49$19.351,300
2010$17.82$26.31$19.641,450
2011$18.13$25.95$20.021,250
2012$18.91$26.52$20.351,460
2013$19.31$26.69$20.541,370
2014$19.50$26.52$20.981,460
2015$18.89$25.66$21.401,390
2016$18.70$25.08$21.721,610
2017$18.81$24.71$22.291,650
2018$19.70$25.26$22.761,570
2019$20.66$26.02$23.321,850
2020$22.20$27.62$24.131,990
2021$22.69$26.96$23.412,490
2022$24.01$26.41$26.141,770
2023$27.75$29.32$28.351,680
2024$28.20$28.94$29.151,720
2025$28.48$28.48$29.701,930

In today's dollars, the median diesel mechanic wage in Idaho changed by +11.0% over the last ten years of data and by +9.5% since 2019.

Are there more diesel mechanic jobs in Idaho?

2.2Jobs per 1,000 in the stateconcentration 1.2× the US share, 18th of 51 states

BLS counted 1,930 diesel mechanics in Idaho in May 2025, an estimate with a relative standard error of 7%. With fewer than 3,000 jobs or a wide margin of error, year-to-year changes are within the survey's noise and are not shown as a trend.

Outlook for diesel mechanics in Idaho

+9.1%Projected growth in Idaho2024–2034, state agency
190Openings per yeargrowth plus replacements
2,020Jobs in 20242,210 projected for 2034
+3.6%US projected growth2025-35, BLS, for comparison

Idaho's labor market agency projects the number of diesel mechanics in the state to change by +9.1% between 2024 and 2034, from 2,020 to 2,210, with about 190 openings a year. Nationally, BLS projects +3.6% over 2025-35. State counts include the self-employed, so the base is larger than the 1,930 counted by the BLS employer survey.

Source: Idaho labor market information agency via Projections Central, 2024–2034 long-term projections (state projections page).

Is construction work growing in Idaho?

78.0kConstruction jobsIdaho, 2026-09
+1.7%Change over 12 monthsseasonally unadjusted
Construction employment, 1990-20260k20k40k60k80k100k1990199520002005201020152020202578kSep 2026
Construction employment in Idaho (thousands), construction supersector, BLS CES, not seasonally adjusted. Grey bands are recessions.

Keep comparing

Diesel mechanic pay in neighbouring states

Other trades in Idaho

More on Idaho

Questions this page answers

How much do diesel mechanics make in Idaho?

The median diesel mechanic in Idaho earned $28.48 an hour ($59,230 a year) in May 2025, 4% below the national median of $29.70. The middle half earn $23.43–$33.35; the top 10% earn more than $37.41.

Where does Idaho rank for diesel mechanic pay?

Idaho ranks 38th of 51 states for diesel mechanic pay, with a median of $28.48 an hour, and 38th after adjusting for Idaho's cost of living (BEA price parity 95.5, US = 100).

What is the union diesel mechanic rate in Idaho?

Davis-Bacon determinations do not list a diesel mechanic classification for most Idaho counties, or the trade is not covered; the BLS wage figures above are the best available measure.

How many diesel mechanics work in Idaho?

BLS counted 1,930 diesel mechanics in Idaho in May 2025, 2.2 per 1,000 jobs (location quotient 1.21; 1.0 is the national average concentration).

Is diesel mechanic work growing in Idaho?

Idaho's labor market agency projects +9.1% growth for diesel mechanics between 2024 and 2034, from 2,020 to 2,210 jobs.

How many diesel mechanic openings a year are there in Idaho?

Idaho projects about 190 openings a year for diesel mechanics over 2024–2034, counting both new positions and replacements for people who retire or change occupation. Nationally BLS projects about 24,400 a year.

Sources and notes

  • BLS Occupational Employment and Wage Statistics, May 2025, Idaho and metro areas, SOC 49-3031. Job counts are survey estimates and exclude the self-employed.
  • BLS Current Employment Statistics, state construction employment through 2026-09.
  • BLS Quarterly Census of Employment and Wages, 2025 annual averages.
  • BEA Regional Price Parities, 2024 (cost-of-living adjustment).
  • SAM.gov Davis-Bacon wage determinations, current revisions as of 2026-11-13. Not the official determination.
  • BLS Employment Projections, national, 2025-35.
  • State projection: Idaho labor market information agency via Projections Central, 2024–2034, fetched 2026-10-05.