Civil Engineer Salary in Montana (2026)
The average Civil Engineer in Montana earns around $100,000/year. After taxes, your estimated take-home is $74,146/year ($6,179/month).
Take-Home Pay Breakdown
| Category | Amount |
|---|---|
Annual Take-Home Pay | $74,146 |
Monthly Take-Home Pay | $6,179 |
Biweekly Take-Home Pay | $2,852 |
Hourly Take-Home Pay based on 2,080 hrs/year | $36/hr |
Federal Tax | $13,170 |
State Tax | $5,035 |
FICA Taxes | $7,650 |
Effective Tax Rate total taxes ÷ gross salary | 25.85% |
Want to model 401(k), HSA, or pre-tax contributions against your full salary? Open the salary calculator →
Got a year-end bonus, sign-on, or retention payout? See the bonus calculator →
1099 contract work or side gigs? Self-employment tax adds 15.3% on top. Open the 1099 tax calculator →
Working overtime? The 2025 OBBBA deduction may save you up to $12,500 on federal tax. Open the No Tax on Overtime calculator →
Civil Engineer Salary Ranges in Montana
Not all Civil Engineers earn the same — not even close
Montana's civil engineering market is anchored by Montana Department of Transportation MDT (post-2024 I-90 + I-15 + Highway 200 + Hi-Line Highway 2 + Yellowstone Highway 89 corridor + the substantial post-2024 IIJA federal funding), the substantial post-2022 Yellowstone flooding recovery (June 2022 Yellowstone ~$1B+ damage + post-2022 Yellowstone Park Gardiner-Mammoth + Cooke City road + bridge reconstruction), the substantial Bozeman post-2020 growth (Bozeman Yellowstone International Airport + Bozeman + Big Sky + Belgrade + Three Forks growth corridor), Yellowstone NPS + Glacier NPS + the substantial NPS MT infrastructure, NorthWestern Energy MT (post-2024 substantial MT wind transmission + Colstrip coal + Yellowstone hydropower), USACE Omaha District Missouri River + Fort Peck Dam, Montana Tech Butte (substantial Civil + Mining + Petroleum Engineering), plus MSU + UM Engineering pipelines.
Senior CE (MDT / Transportation)
$88,000–$132,000+ benefits
MDT · post-2024 I-90 + I-15 + Highway 200 + Hi-Line Highway 2 corridor
Senior CE (Post-2022 Yellowstone Flood Recovery)
$95,000–$148,000+ TC
Yellowstone Park + Gardiner + Cooke City road + bridge + the substantial post-2022 recovery
Senior CE (Bozeman / Big Sky Growth)
$92,000–$138,000+ bonus
Bozeman + Big Sky + Belgrade growth + Bozeman Yellowstone International expansion
Senior CE (Yellowstone / Glacier NPS)
$82,000–$125,000+ benefits
Yellowstone + Glacier NPS + the substantial NPS MT infrastructure CE
Senior CE (USACE Missouri / Fort Peck)
$92,000–$142,000
USACE Omaha District Missouri River + Fort Peck Dam + Canyon Ferry + Hungry Horse
Senior CE (NorthWestern Wind Transmission)
$95,000–$142,000+ bonus
NorthWestern Energy · post-2024 MT wind transmission + grid upgrade
Senior Structural Engineer
$88,000–$132,000+ TC
Structural at private practice + AECOM + HDR + Stantec MT + the substantial MT
Senior Water / Environmental Engineer
$82,000–$125,000+ bonus
Water + environmental · the substantial MT Yellowstone River + Missouri River + Flathead
Mid-Career CE (3-7 yrs)
$62,000–$92,000
Functional CE at MT firms + MDT · transitioning to senior band
Junior CE (0-3 yrs)
$52,000–$72,000
MT Tech + MSU + UM Engineering pipeline · entry band
Worth knowing: Post-2022 Yellowstone flooding recovery + the substantial Bozeman + Big Sky post-2020 growth dual-anchor is one of the country's distinctive concentrated US single-state disaster recovery + growth-driven infrastructure CE anchor and a feature most national CE surveys understate for MT. The substantial post-2022 Yellowstone flooding recovery (the substantial June 2022 Yellowstone flooding ~$1B+ damage as the country's most significant US Yellowstone flooding in recorded history + the substantial post-2022 Yellowstone Park Gardiner-Mammoth + Cooke City + Lamar Valley + Northeast Entrance road + bridge reconstruction + the substantial post-2022 Yellowstone alternate route + temporary road infrastructure + the substantial post-2022 Yellowstone flood resilience engineering + the substantial post-2024 substantial Yellowstone NPS infrastructure investment) supports substantial MT Yellowstone CE. The substantial Bozeman post-2020 growth (the substantial post-2020 Bozeman + Big Sky + Belgrade + Three Forks growth corridor + the substantial Bozeman post-2020 fastest-growing US small metro + the substantial Bozeman Yellowstone International Airport post-2020 substantial growth + the substantial Big Sky $400M+ Boyne Resorts expansion + the substantial post-2020 Bozeman residential + commercial CE demand) supports substantial MT growth CE. MDT post-2024 I-90 + I-15 + Highway 200 + Hi-Line Highway 2 + USACE Missouri River + Fort Peck + Yellowstone + Glacier NPS + NorthWestern Energy MT wind transmission. MT Tech Butte Mining + Petroleum + Civil Engineering. MT flat 5.9% + MT 0% sales tax anchor the MT CE proposition.
Calculate Your Exact Take-Home Pay
Add 401(k) contributions, HSA, dependents, and more to see your personalized take-home.
Open Full CalculatorFrequently Asked Questions
Find answers to common questions about your taxes and our calculator.
Compare Two States
See how income tax, take-home pay, and total tax burden differ between any two US states side by side.
State 1
State 2
Civil Engineer Salary in Other States
More on Montana
Salaries by profession, top-paying roles by industry, and an economic breakdown for Montana in 2026.
Tax brackets, standard deductions, and take-home estimates for Montana in 2026.
Adjust filing status, 401(k) for your exact 2026 take-home in Montana.