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Updated with current federal pay tables and reference data

$161,409 GS-15 Step 1 in Philadelphia (2025)
$195,200 GS-15 Step 10 in Philadelphia (2025)
+$36,276 Locality add-on at Step 1 vs. base

2025 GS-15 pay table for Philadelphia

Each step below already includes the 28.99% locality adjustment. The "Locality add-on" column shows how much locality pay is adding compared with the base GS-15 table.

Step Annual salary Biweekly pay Hourly rate Locality add-on
Step 1 $161,409 $6,208.04 $77.34 +$36,276
Step 2 $166,789 $6,414.96 $79.92 +$37,485
Step 3 $172,169 $6,621.88 $82.50 +$38,694
Step 4 $177,550 $6,828.85 $85.07 +$39,904
Step 5 $182,930 $7,035.77 $87.65 +$41,113
Step 6 $188,310 $7,242.69 $90.23 +$42,322
Step 7 $193,690 $7,449.62 $92.81 +$43,531
Step 8 $195,200 $7,507.69 $93.53 +$40,870
Step 9 $195,200 $7,507.69 $93.53 +$36,699
Step 10 $195,200 $7,507.69 $93.53 +$32,528
← GS-14 Calculate my take-home

Base vs. locality comparison

How much more Philadelphia pays

  • Base GS-15 Step 1 $125,133
  • Philadelphia GS-15 Step 1 $161,409
  • Locality add-on +$36,276
  • Adjustment percent 28.99%
  • Base GS-15 Step 10 $162,672
  • Philadelphia GS-15 Step 10 $195,200

Step-increase waiting periods

  • Step 1 → Step 2 52 weeks
  • Step 2 → Step 3 52 weeks
  • Step 3 → Step 4 52 weeks
  • Step 4 → Step 5 104 weeks
  • Step 5 → Step 6 104 weeks
  • Step 6 → Step 7 104 weeks
  • Step 7 → Step 8 156 weeks
  • Step 8 → Step 9 156 weeks
  • Step 9 → Step 10 156 weeks

GS-15 in Philadelphia: what to expect

Senior executives just below the Senior Executive Service. Division directors, senior scientists and agency experts typically top out at GS-15.

For 2025, the Philadelphia pay area adds a 28.99% locality adjustment on top of the nationwide base GS schedule. Every GS-15 employee assigned to this area benefits from that same percentage, regardless of step or series.

Qualifications and career path

Minimum qualifications. One year of specialized experience at the GS-14 level, plus demonstrated leadership.

Promotion path. Further advancement requires selection into the Senior Executive Service (SES).

The rough military equivalent for GS-15 is O-6 Colonel, useful for comparing GS roles against enlisted and officer ranks when looking at pay or authority level.

Biweekly take-home for GS-15 in Philadelphia

Before taxes and deductions, a GS-15 Step 1 employee in Philadelphia earns roughly $6,208 per biweekly pay period. At Step 10 that rises to $7,508. Actual take-home will be lower after federal tax, state tax, TSP contributions, retirement and health insurance deductions.

Note. This is the archived 2025 table. For current pay, open the latest GS-15 Philadelphia page.

Other grades in Philadelphia

GS-15 in Philadelphia questions

  • How much does a GS-15 make in Philadelphia?
    In 2025, a GS-15 Step 1 employee in Philadelphia earns $161,409 per year. At Step 10 the salary reaches $195,200. This is 28.99% higher than the base GS-15 salary.
  • What is the locality adjustment for GS-15 in Philadelphia?
    The locality adjustment is the same for every grade and step within a pay area. For Philadelphia in 2025, it is 28.99%. On a GS-15 Step 1 salary that translates to an extra $36,276 per year.
  • What is the biweekly pay for GS-15 in Philadelphia?
    Biweekly pay is annual salary divided by 26. A GS-15 Step 1 employee in Philadelphia earns roughly $6,208 per pay period before tax and retirement deductions.