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Updated with current federal pay tables and reference data

$39,722 GS-4 Step 1 in Philadelphia (2025)
$51,645 GS-4 Step 10 in Philadelphia (2025)
+$8,927 Locality add-on at Step 1 vs. base

2025 GS-4 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-4 table.

Step Annual salary Biweekly pay Hourly rate Locality add-on
Step 1 $39,722 $1,527.77 $19.03 +$8,927
Step 2 $41,047 $1,578.73 $19.67 +$9,225
Step 3 $42,372 $1,629.69 $20.30 +$9,523
Step 4 $43,697 $1,680.65 $20.94 +$9,821
Step 5 $45,021 $1,731.58 $21.57 +$10,118
Step 6 $46,346 $1,782.54 $22.21 +$10,416
Step 7 $47,671 $1,833.50 $22.84 +$10,714
Step 8 $48,996 $1,884.46 $23.48 +$11,012
Step 9 $50,320 $1,935.38 $24.11 +$11,309
Step 10 $51,645 $1,986.35 $24.75 +$11,607
← GS-3 Calculate my take-home GS-5 →

Base vs. locality comparison

How much more Philadelphia pays

  • Base GS-4 Step 1 $30,795
  • Philadelphia GS-4 Step 1 $39,722
  • Locality add-on +$8,927
  • Adjustment percent 28.99%
  • Base GS-4 Step 10 $40,038
  • Philadelphia GS-4 Step 10 $51,645

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-4 in Philadelphia: what to expect

Office assistants, supply and inventory clerks, entry-level technicians and program aides.

For 2025, the Philadelphia pay area adds a 28.99% locality adjustment on top of the nationwide base GS schedule. Every GS-4 employee assigned to this area benefits from that same percentage, regardless of step or series.

Qualifications and career path

Minimum qualifications. Two years of post-secondary education, an associate's degree, or one year of GS-3 equivalent experience.

Promotion path. Usually promoted to GS-5 after one year in the grade.

The rough military equivalent for GS-4 is E-5 Sergeant, useful for comparing GS roles against enlisted and officer ranks when looking at pay or authority level.

Biweekly take-home for GS-4 in Philadelphia

Before taxes and deductions, a GS-4 Step 1 employee in Philadelphia earns roughly $1,528 per biweekly pay period. At Step 10 that rises to $1,986. 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-4 Philadelphia page.

Other grades in Philadelphia

GS-4 in Philadelphia questions

  • How much does a GS-4 make in Philadelphia?
    In 2025, a GS-4 Step 1 employee in Philadelphia earns $39,722 per year. At Step 10 the salary reaches $51,645. This is 28.99% higher than the base GS-4 salary.
  • What is the locality adjustment for GS-4 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-4 Step 1 salary that translates to an extra $8,927 per year.
  • What is the biweekly pay for GS-4 in Philadelphia?
    Biweekly pay is annual salary divided by 26. A GS-4 Step 1 employee in Philadelphia earns roughly $1,528 per pay period before tax and retirement deductions.