Mechanical Engineer Salary

San Francisco vs Santa Ana: Mechanical Engineer Salary (2026)

Compare mechanical engineer salaries between San Francisco, CA and Santa Ana, CA. All figures are 2026 estimates projected from BLS 2025 data.

San Francisco, CA
$166,082
$79.85/hr
Santa Ana, CA
$128,000
$61.54/hr

Side-by-Side Comparison

MetricSan Francisco, CASanta Ana, CA
Median Salary$166,082$128,000
Hourly Rate$79.85$61.54
Entry Level (P10)$105,709$83,851
25th Percentile$132,077$97,962
75th Percentile$189,363$163,839
Top Earner (P90)$218,581$198,399
Total Employed5,15069
Side-by-side bar chart comparing San Francisco ($166,082) and Santa Ana ($128,000) mechanical engineer salaries.San FranciscoSanta AnaMedian Salary$166,082$128,000Entry Level (P10)$105,709$83,851Top Earner (P90)$218,581$198,399US Median $107,150

Verdict

San Francisco, CA offers better overall compensation for mechanical engineers, winning 4 out of 4 metrics compared to Santa Ana.

The salary gap between San Francisco and Santa Ana is $38,082 (29.75%). San Francisco's median is +55.00% compared to the US national median of $107,150.

Salary Range Comparison

The full salary range (10th to 90th percentile) in San Francisco spans $112,872,Santa Ana spans $114,548. Santa Ana has a wider pay range, suggesting more variation in pay between entry-level and experienced mechanical engineers.

San Francisco
P10 (Entry)$105,709
P25$132,077
Median$166,082
P75$189,363
P90 (Top)$218,581
Santa Ana
P10 (Entry)$83,851
P25$97,962
Median$128,000
P75$163,839
P90 (Top)$198,399

Cost-of-Living Adjusted Comparison

After cost-of-living adjustment, San Francisco ($143,653 effective) pays 26.93% more than Santa Ana ($113,174 effective).

San Francisco
Nominal: $166,082
CoL Index: 115.613
Adjusted: $143,653
Santa Ana
Nominal: $128,000
CoL Index: 113.1
Adjusted: $113,174

Cost-of-living adjustment: salary × (100 / CoL index). Index of 100 = national average.

Which City Is Right for You?

Choose San Francisco if…

  • Higher median salary ($166,082/year)
  • Better top-earner potential ($218,581)
  • Larger job market (5,150 employed)
  • Better purchasing power (CoL-adjusted: $143,653)
  • You prefer the California area and lifestyle

Choose Santa Ana if…

  • You prefer the California area and lifestyle

Historical Salary Growth Comparison

Based on BLS OEWS metropolitan area data, mechanical engineer salaries in San Francisco grew 31.8% from 2019 to 2025, compared to -17.0% growth in Santa Ana over the same period.

San Francisco, CA

+31.8%

$122,460 (2019) → $161,370 (2025)

Santa Ana, CA

+-17.0%

$149,792 (2024) → $124,368 (2025)

View Full Salary Data

Frequently Asked Questions

Which city pays mechanical engineers more: San Francisco or Santa Ana?

San Francisco has a higher median mechanical engineer salary at $166,082/year, compared to Santa Ana at $128,000/year — a difference of $38,082 (29.75%).

What is the hourly rate difference between San Francisco and Santa Ana?

San Francisco mechanical engineers earn $79.85/hr while Santa Ana hygienists earn $61.54/hr (2026 est.).

Should I relocate from San Francisco to Santa Ana as a mechanical engineer?

Consider more than just salary when comparing San Francisco and Santa Ana. Factor in cost of living (CoL-adjusted: San Francisco = $143,653, Santa Ana = $113,174), job availability (5,150 vs 69 employed), commute, and career growth potential.

What do entry-level mechanical engineers earn in San Francisco vs Santa Ana?

Entry-level (10th percentile) mechanical engineers earn $105,709 in San Francisco and $83,851 in Santa Ana. The San Francisco area offers higher starting salaries.

Related Comparisons

AP

Written by Amina Patel, PE

Career Analyst

Amina has 10 years of experience in mechanical engineering. She specializes in thermal analysis and works in the automotive industry.

Clinically reviewed by Jamal Robinson, PhDData verified by Lina Zhang, MS

Methodology & Data Source

All salary figures are 2026 projections based on BLS OEWS May 2025 data. A 2.92% CAGR (derived from 6-year national BLS trends) was applied to estimate current compensation. Cost-of-living adjustments use BEA Regional Price Parity data. Actual salaries vary by employer, certifications, and experience.

Data Sources & Methodology

Source: BLS, OEWS , released .

Compiled and verified by Amina Patel, PE, a licensed mechanical engineer with 10+ years of clinical experience. · View source data at BLS.gov