Skilled Wages

Diesel mechanic salary in Iowa

Median $28.69 an hour for 4,140 bus and truck mechanics and diesel engine specialists, May 2025, with the union scale by county and the trend since 1999.

$28.69/hrMedian hourly wageIowa, May data
$59,680/yrMedian annual payfull-time equivalent
$21.01 – $38.5010th to 90th percentilehourly range
4,140Jobs countedemployer survey

Diesel mechanic pay in Iowa: the full range

Wage percentiles, IowaMarket wage, 10th-90th pctU.S. reference$10$20$30$40$50/hrIowa: 10th $21.01 · 25th $23.45 · median $28.69 · 75th $34.41 · 90th $38.50Iowa$28.69$21.01$38.50United States: 10th $21.41 · 25th $24.30 · median $29.70 · 75th $36.29 · 90th $42.66United States$29.70
Hourly wage percentiles for bus and truck mechanics and diesel engine specialists: Iowa vs United States, May 2025.

Iowa ranks 33rd of 51 states for median diesel mechanic pay, and 10th once adjusted for cost of living (the cost-of-living-adjusted median is $32.68). 4,140 bus and truck mechanics and diesel engine specialists work in the state.

Career stage (approximate)HourlyAnnualWhere it sits in the distribution
Apprentice / entry$21.01 – $23.45$43,710 – $48,770roughly the 10th–25th percentile
Journeyman$23.45 – $34.41$48,770 – $71,570the middle half, around the median
Master / foreman / specialist$34.41 – $38.50$71,570 – $80,080the 75th–90th percentile and above

Where does your pay fall?



Diesel mechanic pay by metro in Iowa

Ranked median wages$0$10$20$30$40/hrDes Moines: $29.63Des Moines$29.63Ames: $29.50Ames$29.50Davenport: $29.46Davenport$29.46Omaha: $29.31Omaha$29.31Sioux City: $29.13Sioux City$29.13Iowa City: $28.92Iowa City$28.92Cedar Rapids: $28.85Cedar Rapids$28.85Waterloo: $27.97Waterloo$27.97Dubuque: $27.71Dubuque$27.71
Median hourly wage for bus and truck mechanics and diesel engine specialists by metro area in Iowa, May 2025.
Metro10thMedian $/hr90thJobsvs state
Des Moines$22.39$29.63$38.111,0503% above
Ames$22.51$29.50$39.73803% above
Davenport$21.44$29.46$37.565203% above
Omaha$21.91$29.31$39.061,1202% above
Sioux City$22.26$29.13$39.841802% above
Iowa City$21.79$28.92$36.681201% above
Cedar Rapids$22.27$28.85$42.354901% above
Waterloo$21.08$27.97$36.071503% below
Dubuque$21.98$27.71$37.531703% below

Diesel mechanic wages in Iowa over time

Iowa, 1999-2025IowaUnited StatesSOC 2010SOC 2018 / Method changeExact wages$10$15$20$25$30$35200020052010201520202025$29.70United States$28.69Iowa
Median hourly wage for bus and truck mechanics and diesel engine specialists, Iowa vs United States, 1999–2025, nominal dollars.
Table
YearIowa $/hrIn 2025 $US $/hrJobs
1999$13.39$25.88$14.773,510
2000$13.85$25.89$15.553,670
2001$14.23$25.87$16.143,990
2002$14.31$25.61$16.533,750
2003$15.20$26.60$16.814,260
2004$15.14$25.80$17.203,960
2005$15.83$26.10$17.614,010
2006$16.18$25.84$18.113,990
2007$16.34$25.37$18.584,070
2008$17.23$25.76$18.943,650
2009$17.87$26.82$19.353,960
2010$18.29$27.00$19.643,750
2011$18.53$26.52$20.023,890
2012$18.52$25.97$20.353,590
2013$18.14$25.07$20.543,630
2014$18.39$25.01$20.983,700
2015$18.67$25.36$21.403,850
2016$19.39$26.01$21.724,030
2017$19.87$26.10$22.294,160
2018$20.24$25.95$22.764,110
2019$21.90$27.58$23.324,100
2020$23.13$28.77$24.134,090
2021$23.10$27.45$23.414,110
2022$24.18$26.60$26.144,370
2023$25.11$26.53$28.354,360
2024$28.27$29.01$29.154,270
2025$28.69$28.69$29.704,140

In today's dollars, the median diesel mechanic wage in Iowa changed by +13.1% over the last ten years of data.

Is construction work growing in Iowa?

93.8kConstruction jobsIowa, 2026-08
+3.9%Change over 12 monthsseasonally unadjusted
Construction employment, 1990-202620k40k60k80k100k120k1990199520002005201020152020202594kAug 2026
Construction employment in Iowa (thousands), construction supersector, BLS CES, not seasonally adjusted. Grey bands are recessions.

Keep comparing

Diesel mechanic pay in neighbouring states

Other trades in Iowa

Questions this page answers

How much do diesel mechanics make in Iowa?

The median diesel mechanic in Iowa earned $28.69 an hour ($59,680 a year) in May 2025, 3% below the national median of $29.70. The middle half earn $23.45–$34.41; the top 10% earn more than $38.50.

Where does Iowa rank for diesel mechanic pay?

Iowa ranks 33rd of 51 states for diesel mechanic pay, with a median of $28.69 an hour, and 10th after adjusting for Iowa's cost of living (BEA price parity 87.8, US = 100).

What is the union diesel mechanic rate in Iowa?

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

How many diesel mechanics work in Iowa?

BLS counted 4,140 bus and truck mechanics and diesel engine specialists in Iowa in May 2025, 2.7 per 1,000 jobs (location quotient 1.42; 1.0 is the national average concentration).

Sources and notes

  • BLS Occupational Employment and Wage Statistics, May 2025, Iowa and metro areas, SOC 49-3031.
  • 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.