GS-4 Pay — Chicago-Naperville (2026)
This page shows GS-4 pay in the Chicago-Naperville locality pay area for 2026. The Chicago-Naperville area adds 30.86% in locality pay on top of the GS-4 base rate.
| Step | Annual | Hourly | Bi-weekly |
|---|---|---|---|
| Step 1 | $40,701 | $19.50 | $1,560.00 |
| Step 2 | $42,058 | $20.15 | $1,612.00 |
| Step 3 | $43,415 | $20.80 | $1,664.00 |
| Step 4 | $44,772 | $21.45 | $1,716.00 |
| Step 5 | $46,129 | $22.10 | $1,768.00 |
| Step 6 | $47,486 | $22.75 | $1,820.00 |
| Step 7 | $48,843 | $23.40 | $1,872.00 |
| Step 8 | $50,201 | $24.05 | $1,924.00 |
| Step 9 | $51,558 | $24.70 | $1,976.00 |
| Step 10 | $52,915 | $25.35 | $2,028.00 |
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
| Base pay (before locality) | $35,251 |
| Chicago-Naperville, IL-IN-WI locality | 30.86% |
| Adjusted annual | $46,129 |
| Per month | $3,844 |
| Bi-weekly | $1,768.00 |
| Hourly | $22.10 |
Adjusted = base × (1 + locality %), rounded to the nearest dollar. Hourly = annual ÷ 2087; bi-weekly = hourly × 80.
Related pay tables
- Full Chicago-Naperville GS scale
- GS-4 in every locality
- GS-3 in Chicago-Naperville
- GS-5 in Chicago-Naperville
- GS-4 in Rest of U.S.
- GS-4 in Washington-Baltimore
- GS-4 in New York-Newark
Frequently asked questions
How much does GS-4 make in Chicago-Naperville?
For 2026, GS-4 in Chicago-Naperville ranges from $40,701 at the first step to $52,915 at the top step, with $46,129 near the middle.
How is Chicago-Naperville locality pay calculated?
The GS-4 base rate is multiplied by one plus the Chicago-Naperville locality percentage of 30.86%, 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 Chicago-Naperville rate remained 30.86%.
Is this before or after tax?
The GS-4 figures for Chicago-Naperville are gross 2026 amounts, before tax and withholding.
Source: OPM Salary Table 2026-CHI · effective January 11, 2026 · Chicago-Naperville, IL-IN-WI, 30.86% 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.