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Updated with current federal pay tables and reference data

$106,446 GS-13 Step 1 in Birmingham (2025)
$138,381 GS-13 Step 10 in Birmingham (2025)
+$16,421 Locality add-on at Step 1 vs. base

2025 GS-13 pay table for Birmingham

Each step below already includes the 18.24% locality adjustment. The "Locality add-on" column shows how much locality pay is adding compared with the base GS-13 table.

Step Annual salary Biweekly pay Hourly rate Locality add-on
Step 1 $106,446 $4,094.08 $51.00 +$16,421
Step 2 $109,994 $4,230.54 $52.70 +$16,968
Step 3 $113,542 $4,367.00 $54.40 +$17,515
Step 4 $117,091 $4,503.50 $56.10 +$18,063
Step 5 $120,639 $4,639.96 $57.80 +$18,610
Step 6 $124,187 $4,776.42 $59.51 +$19,157
Step 7 $127,736 $4,912.92 $61.21 +$19,705
Step 8 $131,284 $5,049.38 $62.91 +$20,252
Step 9 $134,833 $5,185.88 $64.61 +$20,800
Step 10 $138,381 $5,322.35 $66.31 +$21,347
← GS-12 Calculate my take-home GS-14 →

Base vs. locality comparison

How much more Birmingham pays

  • Base GS-13 Step 1 $90,025
  • Birmingham GS-13 Step 1 $106,446
  • Locality add-on +$16,421
  • Adjustment percent 18.24%
  • Base GS-13 Step 10 $117,034
  • Birmingham GS-13 Step 10 $138,381

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-13 in Birmingham: what to expect

Senior specialists, first-line supervisors and subject-matter experts. Many IT, acquisition, legal and program-manager roles live at GS-13.

For 2025, the Birmingham pay area adds a 18.24% locality adjustment on top of the nationwide base GS schedule. Every GS-13 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-12 level.

Promotion path. Competitive promotion to GS-14 requires a GS-14 vacancy, often with supervisory responsibilities.

The rough military equivalent for GS-13 is O-5 Lieutenant Colonel, useful for comparing GS roles against enlisted and officer ranks when looking at pay or authority level.

Biweekly take-home for GS-13 in Birmingham

Before taxes and deductions, a GS-13 Step 1 employee in Birmingham earns roughly $4,094 per biweekly pay period. At Step 10 that rises to $5,322. 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-13 Birmingham page.

Other grades in Birmingham

GS-13 in Birmingham questions

  • How much does a GS-13 make in Birmingham?
    In 2025, a GS-13 Step 1 employee in Birmingham earns $106,446 per year. At Step 10 the salary reaches $138,381. This is 18.24% higher than the base GS-13 salary.
  • What is the locality adjustment for GS-13 in Birmingham?
    The locality adjustment is the same for every grade and step within a pay area. For Birmingham in 2025, it is 18.24%. On a GS-13 Step 1 salary that translates to an extra $16,421 per year.
  • What is the biweekly pay for GS-13 in Birmingham?
    Biweekly pay is annual salary divided by 26. A GS-13 Step 1 employee in Birmingham earns roughly $4,094 per pay period before tax and retirement deductions.