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Updated with current federal pay tables and reference data

$163,023 GS-15 Step 1 in Philadelphia (2026)
$197,200 GS-15 Step 10 in Philadelphia (2026)
+$36,639 Locality add-on at Step 1 vs. base

2026 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 $163,023 $6,270.12 $78.11 +$36,639
Step 2 $168,457 $6,479.12 $80.72 +$37,860
Step 3 $173,891 $6,688.12 $83.32 +$39,081
Step 4 $179,326 $6,897.15 $85.93 +$40,303
Step 5 $184,760 $7,106.15 $88.53 +$41,524
Step 6 $190,194 $7,315.15 $91.13 +$42,745
Step 7 $195,629 $7,524.19 $93.74 +$43,967
Step 8 $197,200 $7,584.62 $94.49 +$41,325
Step 9 $197,200 $7,584.62 $94.49 +$37,112
Step 10 $197,200 $7,584.62 $94.49 +$32,899
← GS-14 Calculate my take-home

Base vs. locality comparison

How much more Philadelphia pays

  • Base GS-15 Step 1 $126,384
  • Philadelphia GS-15 Step 1 $163,023
  • Locality add-on +$36,639
  • Adjustment percent 28.99%
  • Base GS-15 Step 10 $164,301
  • Philadelphia GS-15 Step 10 $197,200

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 2026, 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 $6,270 per biweekly pay period. At Step 10 that rises to $7,585. Actual take-home will be lower after federal tax, state tax, TSP contributions, retirement and health insurance deductions.

Other grades in Philadelphia

GS-15 in Philadelphia questions

  • How much does a GS-15 make in Philadelphia?
    In 2026, a GS-15 Step 1 employee in Philadelphia earns $163,023 per year. At Step 10 the salary reaches $197,200. 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 2026, it is 28.99%. On a GS-15 Step 1 salary that translates to an extra $36,639 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 $6,270 per pay period before tax and retirement deductions.