How much does a Mechanical Engineer make in Louisiana?

BLS reports a median annual wage of $114,050 for Mechanical Engineers in Louisiana as of the latest OES release. That is the 50th-percentile figure — half earn more, half earn less. The 25th-percentile is $81,860 and the 75th-percentile is $139,080.

What is the real (cost-adjusted) Mechanical Engineer salary in Louisiana?

After BEA RPP adjustment (regional price parity index 88.7 for Louisiana), the real-wage equivalent is $128,579 — what the $114,050 nominal salary actually buys. Quartiles in real terms: $92,289 to $156,798.

How are Louisiana Mechanical Engineer salaries calculated on this page?

Nominal wages come from BLS Occupational Employment and Wage Statistics (OES) — annual employer surveys, May 2026 reference period. Real-wage figures use BEA Regional Price Parities (2023 vintage) to adjust for state-level cost of living. No self-report or jobs-board data is mixed in.

How many Mechanical Engineers does Louisiana employ?

BLS OES counts 1,650 Mechanical Engineers employed in Louisiana in the most recent release. Employment density relative to population determines whether wage tiers reflect a robust competitive market or a thinner labor pool.

Why is the BEA RPP for Louisiana different from a single CPI number?

BEA splits regional price parity into three components — goods, services, and rents — reweighted to the BEA's national consumption basket. Louisiana's overall index of 88.7 reflects rents 65.1, services 76.7, and goods 93.0.

Should I negotiate based on the BLS median for Louisiana?

The BLS median is a calibration anchor, not a ceiling. Use it to validate that an offer is in-band — anything well below the P25 in this state is a flag, anything above the P75 typically requires demonstrable specialty depth, niche credentials, or a high-COL metro within Louisiana.

Does PE license raise mechanical engineer pay in Louisiana?

PE (Professional Engineer) license through Louisiana's engineering board typically adds 5-15% to the BLS-reported median for mechanical engineers, concentrated in industries that require sealed drawings — civil-mechanical (HVAC for buildings), pressure-vessel, oil/gas, and government contracts. In R&D, defense (where security clearance dominates), and consumer-product design, PE has limited wage premium. Louisiana follows the NCEES path: BS-ABET + FE exam + 4 years of progressive experience + PE exam.

Louisiana Mechanical Engineer Salary: BLS $114K Median, Real $129K (2026)

TL;DR

Headline Mechanical Engineer pay in Louisiana is $114,050. Real take-home, after the state's cost-of-living index, lands at $128,579.
Quartile range $81,860 (bottom 25%) to $139,080 (top 25%); the P10-P90 envelope is $70,710 to $172,320.
Low BEA RPP (88.7) means the paycheck stretches further than the BLS number suggests; net lift roughly $14,529.
Mechanical Engineer ranking: #8 on the BLS table, #2 once cost of living is in.

Wage breakdown — Louisiana

Percentile	Nominal (BLS)	Real (BEA RPP-adjusted)
P10 (entry tier)	$70,710	$79,718
P25 (lower quartile)	$81,860	$92,289
P50 (median)	$114,050	$128,579
P75 (upper quartile)	$139,080	$156,798
P90 (top tier)	$172,320	$194,273
Mean	$117,410	$132,368
Employment	1,650 Mechanical Engineers in Louisiana

Cost of living — BEA Regional Price Parity

Component	Louisiana index (US = 100)
All-items RPP	88.7
Goods	93.0
Services	76.7
Rents	65.1

Louisiana sits below the national baseline (RPP 88.7), so nominal pay translates to a higher real wage than the BLS median suggests — particularly visible in rents at 65.1.

After-tax take-home — Louisiana (2024 BLS · 2024 tax year, single filer)

Layer-by-layer take-home math at the BLS median

Layer	Amount	Note
Gross BLS P50 (Mechanical Engineer)	$114,050	nominal median
Federal income tax	−$16,338	14.3% effective; std deduction $15,750 applied
State income tax	−$3,047	3.0% flat (2025+ HB 2)
FICA (SS 6.2% + Medicare 1.45%)	−$8,725	SS capped at $183,600 wage base
Take-home (after-tax)	$85,941	75.4% of gross
Real take-home (RPP-adjusted)	$96,889	÷ (88.7 / 100) BEA cost-of-living

What the Louisiana state-tax burden means for Mechanical Engineer take-home

Mid-band state-tax burden at 2.7% effective. Combined with federal and FICA, take-home is $85,941 (75.4% of gross). After the 88.7 RPP, real take-home is $96,889.

Computed from 2026 IRS federal brackets (Rev. Proc. 2025-32), 2026 state DOR brackets, and 2026 FICA rates. Single filer, standard deduction, no other adjustments. See methodology · tax for limitations (married filers, ITM/SALT itemizers, retirement deferrals, HSA, dependent credits, etc.).

National context

Across the United States, BLS reports a national median of $102,320 for Mechanical Engineers with mean pay of $110,080 and total employment of 286,760. Louisiana sits at #8 on nominal pay and #2 on real (cost-adjusted) pay among the 51 states and DC. After cost adjustment, Louisiana climbs 6 positions — the cost of living is favorable relative to the wage.

Frequently asked questions

How much does a Mechanical Engineer make in Louisiana?: BLS reports a median annual wage of $114,050 for Mechanical Engineers in Louisiana as of the latest OES release. That is the 50th-percentile figure — half earn more, half earn less. The 25th-percentile is $81,860 and the 75th-percentile is $139,080.
What is the real (cost-adjusted) Mechanical Engineer salary in Louisiana?: After BEA RPP adjustment (regional price parity index 88.7 for Louisiana), the real-wage equivalent is $128,579 — what the $114,050 nominal salary actually buys. Quartiles in real terms: $92,289 to $156,798.
How are Louisiana Mechanical Engineer salaries calculated on this page?: Nominal wages come from BLS Occupational Employment and Wage Statistics (OES) — annual employer surveys, May 2026 reference period. Real-wage figures use BEA Regional Price Parities (2023 vintage) to adjust for state-level cost of living. No self-report or jobs-board data is mixed in.
How many Mechanical Engineers does Louisiana employ?: BLS OES counts 1,650 Mechanical Engineers employed in Louisiana in the most recent release. Employment density relative to population determines whether wage tiers reflect a robust competitive market or a thinner labor pool.
Why is the BEA RPP for Louisiana different from a single CPI number?: BEA splits regional price parity into three components — goods, services, and rents — reweighted to the BEA's national consumption basket. Louisiana's overall index of 88.7 reflects rents 65.1, services 76.7, and goods 93.0.
Should I negotiate based on the BLS median for Louisiana?: The BLS median is a calibration anchor, not a ceiling. Use it to validate that an offer is in-band — anything well below the P25 in this state is a flag, anything above the P75 typically requires demonstrable specialty depth, niche credentials, or a high-COL metro within Louisiana.
Does PE license raise mechanical engineer pay in Louisiana?: PE (Professional Engineer) license through Louisiana's engineering board typically adds 5-15% to the BLS-reported median for mechanical engineers, concentrated in industries that require sealed drawings — civil-mechanical (HVAC for buildings), pressure-vessel, oil/gas, and government contracts. In R&D, defense (where security clearance dominates), and consumer-product design, PE has limited wage premium. Louisiana follows the NCEES path: BS-ABET + FE exam + 4 years of progressive experience + PE exam.

Sources & methodology

U.S. Bureau of Labor Statistics — Occupational Employment and Wage Statistics (OES), SOC 17-2141, 2024 reference period.
U.S. Bureau of Economic Analysis — Regional Price Parities, 2023 vintage (all-items, goods, services, rents).
Real-wage figures = nominal BLS wage ÷ (state RPP / 100).
See the methodology page for full computation details and limitations.

By Marcus Liang · Founder & Editor · Last synced 2026-05-05.

Cross-comparison: see how Louisiana Mechanical Engineer pay ranks against the other 254 state × occupation pages on the Real Wage Atlas → — four-way ranking by real wage, after-tax take-home, state-tax savings, and cost-of-living arbitrage.