Data Scientist · Salary Comparison · 2026
Data Scientist Salary: Phoenix, AZ vs San Francisco, CA
Side-by-side comparison of salary, taxes, cost of living, and take-home pay for Data Scientists in Phoenix, AZ and San Francisco, CA, based on BLS OEWS 2026 data.
1Which City Pays More After Tax?
Higher Gross Salary
✓ San Francisco, CA
$115,000 vs $165,000
Better Purchasing Power
✓ Phoenix, AZ
$111,650 vs $88,710
Best Take-Home (COL-Adj)
✓ Phoenix, AZ
$100,586 vs $74,345
2
Detailed Comparison
| Metric | Phoenix, AZ | San Francisco, CA | Diff |
|---|---|---|---|
| Median Annual Salary | $115,000 | $165,000▲ | -$50,000 |
| 25th Percentile | $87,000 | $125,000▲ | -$38,000 |
| 75th Percentile | $149,000 | $215,000▲ | -$66,000 |
| 90th Percentile | $186,000 | $270,000▲ | -$84,000 |
| Cost of Living Index | 103 | 186 | -83 |
| State Income Tax | 2.5%▲ | 9.3% | -6.800000000000001% |
| COL-Adjusted Median | $111,650▲ | $88,710 | +$22,940 |
| Est. Annual Take-Home | $103,604 | $138,281▲ | -$34,677 |
| COL-Adj. Take-Home | $100,586▲ | $74,345 | +$26,241 |
| Total Employment | 8,000 | 18,000 | -10,000 |
▲ = Higher value wins for this metric. Diff = Phoenix, AZ minus San Francisco, CA.
3Summary Analysis
On paper, San Francisco, CA pays $50,000 more (median: $115,000 vs $165,000). However, after adjusting for cost of living (index 103 vs 186), Phoenix, AZ provides better purchasing power ($111,650 vs $88,710 equivalent). Phoenix, AZ has the lower state tax rate (2.5% vs 9.3%).
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Data: U.S. Bureau of Labor Statistics OEWS · 2026 · Cost-of-living indices from composite metro area data. Take-home estimates approximate only — consult a tax professional for accurate figures.