Salary guide, May 2025

Skilled Mechanical Assembler pay in Boston-Cambridge-Newton, MA-NH

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The median annual wage for Engine and Other Machine Assemblers in Boston-Cambridge-Newton, MA-NH was $48,990 (U.S. Bureau of Labor Statistics, OEWS, May 2025). The middle half of workers earned between $46,150 and $61,940.

The Boston-Cambridge-Newton, MA-NH median is $4,720 below the national median of $53,710, both from BLS May 2025.

Broader occupation · SOC 51-2031 Engine and Other Machine Assemblers

Skilled Mechanical Assembler is shown within the broader published occupation. BLS does not separate this plant-specific title, seniority, shift, process or credential. Compare the duties with the SOC definition before using the range.

What should you know about boston-Cambridge-Newton, MA-NH?

Engine and Other Machine Assemblers in Boston-Cambridge-Newton, MA-NH: median $48,990; published 25th to 75th percentile $46,150 to $61,940.

Annual wage percentiles, Boston-Cambridge-Newton, MA-NH
10th	25th	Median	75th	90th
$38,940	$46,150	$48,990	$61,940	$90,630

Engine and Other Machine Assemblers in Boston-Cambridge-Newton, MA-NH: median $23.56; published 25th to 75th percentile $22.19 to $29.78.

Hourly wage percentiles, Boston-Cambridge-Newton, MA-NH
10th	25th	Median	75th	90th
$18.72	$22.19	$23.56	$29.78	$43.57

BLS estimated 310 workers employed in this occupation in Boston-Cambridge-Newton, MA-NH. Location quotient: 0.52.

What should you know about united States?

Engine and Other Machine Assemblers in U.S.: median $53,710; published 25th to 75th percentile $45,230 to $74,920.

Annual wage percentiles, U.S.
10th	25th	Median	75th	90th
$38,500	$45,230	$53,710	$74,920	$77,750

Engine and Other Machine Assemblers in U.S.: median $25.82; published 25th to 75th percentile $21.75 to $36.02.

Hourly wage percentiles, U.S.
10th	25th	Median	75th	90th
$18.51	$21.75	$25.82	$36.02	$37.38

What should you know about role pay against all occupations here?

The published Skilled Mechanical Assembler median is $48,990. The all-occupations median in Boston-Cambridge-Newton, MA-NH is $66,620. Ratio: 0.74 (role median divided by all-occupations median, same units, BLS May 2025). Location quotient 0.52 measures how concentrated this occupation's employment is here against the nation. It is not a wage index.

What should you know about two BLS releases?

Skilled Mechanical Assembler in Boston-Cambridge-Newton, MA-NH, annual wages, May 2024 and May 2025
Release period	25th	Median	75th
May 2024	$58,240	$62,450	$84,870
May 2025	$46,150	$48,990	$61,940

These are two separate BLS estimates from different survey panels. The workers and employers behind them differ, so the gap is not like-for-like pay for the same workers and is not a growth rate. We show no percentage change.

Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025. SOC 51-2031 Engine and Other Machine Assemblers, Boston-Cambridge-Newton, MA-NH. Official occupation data · Official area tables. Released 2026-05-15.

Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025. SOC 51-2031 Engine and Other Machine Assemblers, U.S.. Official occupation data · Official area tables. Released 2026-05-15.

What should you know about nearby areas?

Nearby areas, Skilled Mechanical Assembler
Area	Median	25th to 75th
Worcester, MA	$46,160	$43,620 to $62,400
Springfield, MA	$41,110	$34,960 to $55,480

All roles in Boston-Cambridge-Newton, MA-NH · National page · Skilled Mechanical Assembler ranked across metros