Side-by-side · Software Engineer
Philadelphia vs Austin
Move Value
−$10k
real, after tax + COL · per year
Career Velocity
8/10
Philly: 7/10 → step-up
10-Year Outlook
−$63k
± $96k confidence band
| Philadelphia | Austin | |
|---|---|---|
| P50 salary, role | $128k | $134k |
| State + local income tax | None | None |
| After-tax income | $98k | $102k |
| Cost of living (US = 100) | 102 | 119 |
| Median 1BR rent | $1901/mo | $1604/mo |
| Real purchasing power | $96k | $86k |
| Career Velocity (this role) | 7/10 | 8/10 |
| Career Velocity v1 (0–100) | 18 · Thin | 84 · High |
| Walkability (0–10) | 8 | 5 |
| Outdoors (0–10) | 6 | 8 |
Who should make this move
Choose Austin if…
- ·Your field's Career Velocity is at least as good in Austin (8/10).
- ·Tech salaries close to the coast, no state income tax.
Stay in Philadelphia if…
- ·You'd lose $10k of real income annually.
- ·Your 10-year picture is $63k better if you stay.
- ·You're optimizing for what Philly uniquely offers: east coast walkability and culture at a midwest cost.
A note on the numbers: Salaries are role-P50 from BLS-style bands. Tax is statutory state + local at ~$110k single. The 10-year outlook uses a 3-year promotion cadence with a small velocity adjustment, 2.5% COL inflation, and discounts to today's dollars. Full assumptions on the methodology page.