How much does a Mechanical Engineer make in Idaho?

The average Mechanical Engineer salary in Idaho is around $130,000 per year. After federal taxes, FICA, and Idaho state taxes, your estimated take-home pay is approximately $94,084 annually ($7,840/month).

What is the take-home pay for a Mechanical Engineer in Idaho?

On a $130,000 salary in Idaho, your take-home pay is approximately $94,084/year or $7,840/month. Federal tax: $19,934. State tax: $6,037. FICA: $0.00.

Is $130,000 a good Mechanical Engineer salary?

$130,000 is a strong salary for a Mechanical Engineer — above the national median. In Idaho, demand for this role is active.

How do Idaho taxes affect Mechanical Engineer salaries?

Idaho levies state income tax on top of federal taxes. Your estimated state tax on $130,000 is $6,037. Your total effective tax rate is approximately 27.6%.

What are the career growth prospects for Mechanical Engineers?

10% growth through 2032 (faster than average); EV/aerospace/defense subspecialties growing faster, manufacturing slower. Related roles include: Aerospace Engineer, Manufacturing Engineer, Design Engineer, Thermal Engineer, Test Engineer, Project Engineer, Principal Mechanical Engineer, PE Mechanical.

How can a Mechanical Engineer in Idaho reduce their tax bill?

Maximize your 401(k) contribution ($24,500 in 2026) to reduce taxable income. An HSA ($4,400 single / $8,750 family) adds further pre-tax savings. These strategies can save thousands annually — use our calculator to see your exact savings.

Engineering

Mechanical Engineer Salary in Idaho (2026)

The average Mechanical Engineer in Idaho earns around $130,000/year. After taxes, your estimated take-home is $94,084/year ($7,840/month).

Take-Home Pay Breakdown

Category	Amount
Annual Take-Home Pay	$94,084
Monthly Take-Home Pay	$7,840
Biweekly Take-Home Pay	$3,619
Hourly Take-Home Pay based on 2,080 hrs/year	$45/hr
Federal Tax	$19,934
State Tax	$6,037
FICA Taxes	$9,945
Effective Tax Rate total taxes ÷ gross salary	27.63%

Estimates only — not tax advice. · Full disclaimer →

Want to model 401(k), HSA, or pre-tax contributions against your full salary? Open the salary calculator →

Key terms:·

Mechanical Engineer Salary Ranges in Idaho

Entry Level (0–3 yrs)

$85,000

/year

See tax breakdown →

Mid Level (3–7 yrs)

$130,000

/year

See tax breakdown →

Senior Level (7+ yrs)

$250,000

/year

See tax breakdown →

Not all Mechanical Engineers earn the same — not even close

Idaho's mechanical engineering market is anchored by Micron Technology HQ Boise Fab ME (Fortune 500 semiconductor + the substantial Micron post-CHIPS Act $40B+ investment Boise expansion + the substantial Micron 1Z + 1Y DRAM + NAND flash + HBM3 fab ME), Idaho National Laboratory INL Idaho Falls cleared nuclear ME (the substantial INL Advanced Test Reactor ATR + the substantial post-2020 NuScale SMR + post-2024 Versatile Test Reactor planning + DOE Q clearance premium), HP Inc. Boise printer mechanical engineering, Lamb Weston Eagle food processing ME (frozen french fry + potato processing + the substantial McDonald's contract scaling), JR Simplot Boise ag + food manufacturing ME, Idaho Power Boise utility ME (the substantial Snake River hydroelectric + Hells Canyon Complex), Mountain Home AFB 366th Fighter Wing F-15E Strike Eagle aircraft sustainment ME, plus Boise State + UI + ISU mechanical engineering pipelines.

Senior Semiconductor ME (Micron Fab)

$128,000–$215,000+ TC

Micron Boise · Fab capex + the substantial Micron post-CHIPS Act $40B+ Boise expansion + HBM3 capacity ME

Senior Cleared Nuclear ME (INL)

$128,000–$200,000+ TC

INL · ATR + NuScale SMR + Versatile Test Reactor planning + DOE Q clearance + the substantial mission

Senior Printer ME (HP Boise)

$108,000–$165,000

HP Inc. Boise · printer mechanism + cartridge + the substantial HP post-2015 HP-HPE split ME

Senior Food Processing ME (Lamb Weston / Simplot)

$105,000–$158,000

Lamb Weston Eagle + JR Simplot · frozen french fry + potato processing + ag ME

Senior Hydroelectric ME (Idaho Power)

$108,000–$165,000

Idaho Power · Snake River hydroelectric + Hells Canyon Complex turbine + generator ME

Senior Aerospace ME (Cleared / Mountain Home)

$115,000–$175,000+ TC

Mountain Home AFB 366th Fighter Wing F-15E Strike Eagle · cleared aircraft sustainment ME + TS premium

Senior Federal / Cleared ME (INL / Mountain Home)

$108,000–$172,000

INL + Mountain Home AFB GS-13/14 federal civilian + cleared contractor · DOE Q + TS/SCI premium

Senior P.E. / Consulting Engineer

$95,000–$148,000

P.E. + consulting at ID engineering firms · HVAC + plumbing + fire protection MEP design

Mid-Level Mechanical Engineer (3-6 yrs)

$72,000–$108,000

Functional IC at ID Fortune 500 + INL · transitioning to senior band + P.E. licensure track

Senior Engineering Manager / Director

$145,000–$245,000+ TC

EM at Micron + INL + HP + Lamb Weston + Simplot + cleared contractors · senior admin band

Worth knowing: Micron Boise Fab ME + INL nuclear ME is one of the country's most distinctive concentrated US single-state semiconductor + DOE nuclear research mechanical engineering cluster and a feature most national ME surveys understate for ID. Micron Technology HQ Boise substantial in-house semiconductor manufacturing ME (the substantial Micron post-2022 CHIPS Act $40B+ Micron investment plans including Clay NY $100B+ multi-fab project + the substantial Boise expansion supporting Idaho Manufacturing + R&D facilities + the substantial Micron 1Z + 1Y DRAM + NAND flash node fab mechanical engineering supporting facility + tooling + process automation + the substantial Micron HBM3 high bandwidth memory production capacity expansion ME + the substantial Micron cleanroom + ultrapure water + chemical delivery + gas distribution + the substantial Micron post-2024 R&D + design + manufacturing automation ME + the substantial Micron facility cooling + power distribution + emergency power ME) operates substantial Boise-anchored semiconductor ME work. Senior Micron Fab ME engineers clear $128-215K+ TC. INL Idaho Falls substantial cleared nuclear ME (the substantial INL Advanced Test Reactor ATR mechanical engineering + the substantial INL post-2020 NuScale Power Small Modular Reactor SMR design ME supporting NuScale VOYGR commercial small modular reactor + the substantial post-2024 INL Versatile Test Reactor planning ME + the substantial INL Carbon Free Power Project CFPP NuScale demonstration site considerations + the substantial INL nuclear reactor predictive maintenance ME + the substantial INL nuclear fuel cycle ME + the substantial INL post-2014 Cybercore Integration Center facility ME + the substantial INL post-2024 plutonium pit production qualification ME coordination + DOE Q clearance premium) supports substantial INL cleared nuclear ME work. Senior cleared INL nuclear ME engineers clear $128-200K+ TC. HP Inc. Boise (~3K + historically substantial HP printer business + the substantial post-2015 HP-HPE split + the substantial HP Inc. printer mechanism + cartridge + the substantial HP commercial + consumer printer ME + the substantial HP 3D printing legacy). Lamb Weston Eagle + JR Simplot substantial food processing ME supporting frozen french fry + potato + ag processing automation + the substantial McDonald's contract scaling. Idaho Power Boise substantial Snake River hydroelectric ME (the substantial Hells Canyon Complex Brownlee + Oxbow + Hells Canyon dams + the substantial Idaho Power C.J. Strike + Bliss + Lower Salmon Falls dams + the substantial Idaho Power post-2020 turbine + generator modernization ME). Mountain Home AFB substantial cleared aerospace ME (366th Fighter Wing F-15E Strike Eagle aircraft sustainment + the substantial post-2024 F-15EX Eagle II transition planning). ID flat 5.695% post-2024 HB 521 reform + ID RTW since 1985 + ID property tax ~0.69% + no state estate tax + lower ID cost of living anchor the ID ME proposition.