Software Developer · Salary Comparison · 2026
Software Developer Salary: Louisville, KY vs Boston, MA
Side-by-side comparison of salary, taxes, cost of living, and take-home pay for Software Developers in Louisville, KY and Boston, MA, based on BLS OEWS 2026 data.
1Which City Pays More After Tax?
Higher Gross Salary
✓ Boston, MA
$100,000 vs $155,000
Better Purchasing Power
✓ Louisville, KY
$114,943 vs $95,679
Best Take-Home (COL-Adj)
✓ Louisville, KY
$101,959 vs $83,987
2
Detailed Comparison
| Metric | Louisville, KY | Boston, MA | Diff |
|---|---|---|---|
| Median Annual Salary | $100,000 | $155,000▲ | -$55,000 |
| 25th Percentile | $76,000 | $118,000▲ | -$42,000 |
| 75th Percentile | $128,000 | $200,000▲ | -$72,000 |
| 90th Percentile | $160,000 | $248,000▲ | -$88,000 |
| Cost of Living Index | 87 | 162 | -75 |
| State Income Tax | 4%▲ | 5% | -1% |
| COL-Adjusted Median | $114,943▲ | $95,679 | +$19,264 |
| Est. Annual Take-Home | $88,704 | $136,059▲ | -$47,355 |
| COL-Adj. Take-Home | $101,959▲ | $83,987 | +$17,972 |
| Total Employment | 10,000 | 42,000 | -32,000 |
▲ = Higher value wins for this metric. Diff = Louisville, KY minus Boston, MA.
3Summary Analysis
On paper, Boston, MA pays $55,000 more (median: $100,000 vs $155,000). However, after adjusting for cost of living (index 87 vs 162), Louisville, KY provides better purchasing power ($114,943 vs $95,679 equivalent). Louisville, KY has the lower state tax rate (4% vs 5%).
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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.