Mechanical Engineer Salary: Seattle vs Austin
Same job, two cities — but the paycheck that looks bigger isn’t always the one that goes further. We compare gross pay, take-home after tax, and cost-of-living-adjusted real salary.
THE VERDICT
Even though a Mechanical Engineer grosses $12,000 more in Seattle, Austin wins on what actually matters: after tax and cost of living, its real salary is $12,791 higher in equivalent buying power ($69,071 vs $56,280).
Seattle, WANo state tax
Real salary $56,280 equivalent
Entry (25th)$90,000
Median (50th)$120,000
Senior (75th)$155,000
Top (90th)$194,000
25% premium vs national median. Mechanical Engineers in Seattle earn approximately 25% higher than the US national median for this role — a $24,000 premium on annual base salary. This reflects Seattle's position as a higher-cost labor market where employers must match local wage norms.
Cost-of-living adjusted picture. Adjusted for Seattle's cost-of-living index (150), the median Mechanical Engineer salary buys the equivalent of $80,000 in a US-average-cost city. That's $16,000 less purchasing power than the national median — the higher nominal salary doesn't fully offset local costs.
HIGHER REAL PAY
Austin, TXNo state tax
Real salary $69,071 equivalent
Entry (25th)$81,000
Median (50th)$108,000
Senior (75th)$139,000
Top (90th)$174,000
13% premium vs national median. Mechanical Engineers in Austin earn approximately 13% higher than the US national median for this role — a $12,000 premium on annual base salary. This reflects Austin's position as a higher-cost labor market where employers must match local wage norms.
Cost-of-living adjusted picture. Adjusted for Austin's cost-of-living index (110), the median Mechanical Engineer salary buys the equivalent of $98,182 in a US-average-cost city. That's $2,182 more purchasing power than the national median — a meaningful real-wage advantage.
Head-to-head breakdown
| Metric | Seattle | Austin |
|---|---|---|
| Median gross salary | $120,000 ✓ | $108,000 |
| State income tax | None ✓ | None |
| Est. take-home pay | $84,420 ✓ | $75,978 |
| Cost-of-living index | 150 | 110 ✓ |
| Real salary (COL-adjusted take-home) | $56,280 | $69,071 ✓ |
Real salary = take-home pay (after federal tax, state tax, and FICA) adjusted for each city’s cost-of-living index, shown in US-average-cost dollars. Take-home uses a 22% federal + 7.65% FICA estimate plus state tax; your actual rate depends on filing status and deductions. Methodology · Updated Q3 2026.