GS-4 Pay — St. Louis-St. Charles (2026)

$42,312
A GS-4 Step 5 in St. Louis-St. Charles earns $42,312 in 2026. Across all ten steps, GS-4 in St. Louis-St. Charles ranges $37,333–$48,535.
St. Louis-St. Charles locality pay: 20.03% · effective January 11, 2026

This page shows GS-4 pay in the St. Louis-St. Charles locality pay area for 2026. The St. Louis-St. Charles area adds 20.03% in locality pay on top of the GS-4 base rate.

StepAnnualHourlyBi-weekly
Step 1$37,333$17.89$1,431.20
Step 2$38,578$18.48$1,478.40
Step 3$39,822$19.08$1,526.40
Step 4$41,067$19.68$1,574.40
Step 5$42,312$20.27$1,621.60
Step 6$43,556$20.87$1,669.60
Step 7$44,801$21.47$1,717.60
Step 8$46,046$22.06$1,764.80
Step 9$47,291$22.66$1,812.80
Step 10$48,535$23.26$1,860.80

Locality pay is calculated as the base rate multiplied by one plus the locality percentage, rounded to the nearest dollar.

Check another grade, step or locality

$42,312/yr
Base pay (before locality)$35,251
St. Louis-St. Charles-Farmington, MO-IL locality20.03%
Adjusted annual$42,312
Per month$3,526
Bi-weekly$1,621.60
Hourly$20.27

Adjusted = base × (1 + locality %), rounded to the nearest dollar. Hourly = annual ÷ 2087; bi-weekly = hourly × 80.

Related pay tables

Frequently asked questions

How much does GS-4 make in St. Louis-St. Charles?

For 2026, GS-4 in St. Louis-St. Charles ranges from $37,333 at the first step to $48,535 at the top step, with $42,312 near the middle.

How is St. Louis-St. Charles locality pay calculated?

The GS-4 base rate is multiplied by one plus the St. Louis-St. Charles locality percentage of 20.03%, then rounded to the nearest dollar.

What is the 2026 raise?

For 2026, the across-the-board base rate rose while locality percentages were held at their prior-year levels, so the St. Louis-St. Charles rate remained 20.03%.

Is this before or after tax?

The GS-4 figures for St. Louis-St. Charles are gross 2026 amounts, before tax and withholding.

Source: OPM Salary Table 2026-SL · effective January 11, 2026 · St. Louis-St. Charles-Farmington, MO-IL, 20.03% locality. Rates current as of July 20, 2026. Reference figures for general information — official pay is set by your agency, DFAS or OPM. See methodology.