GS-4 Pay in Chicago-Naperville, IL-IN-WI
$40,477 – $52,623 per year • 30.14% locality adjustment
GS-4 Salary Summary — Chicago-Naperville, IL-IN-WI
Complete GS-4 Pay Table — Chicago-Naperville, IL-IN-WI (2026)
| Step | Annual | Monthly | Biweekly | Hourly | Base Pay | Locality Add |
|---|---|---|---|---|---|---|
| Step 1 | $40,477 | $3,373 | $1,557 | $19.39 | $31,103 | +$9,374 |
| Step 2 | $41,827 | $3,486 | $1,609 | $20.04 | $32,140 | +$9,687 |
| Step 3 | $43,177 | $3,598 | $1,661 | $20.69 | $33,177 | +$10,000 |
| Step 4 | $44,526 | $3,711 | $1,713 | $21.33 | $34,214 | +$10,312 |
| Step 5 | $45,876 | $3,823 | $1,764 | $21.98 | $35,251 | +$10,625 |
| Step 6 | $47,225 | $3,935 | $1,816 | $22.63 | $36,288 | +$10,937 |
| Step 7 | $48,575 | $4,048 | $1,868 | $23.28 | $37,325 | +$11,250 |
| Step 8 | $49,924 | $4,160 | $1,920 | $23.92 | $38,362 | +$11,562 |
| Step 9 | $51,274 | $4,273 | $1,972 | $24.57 | $39,399 | +$11,875 |
| Step 10 | $52,623 | $4,385 | $2,024 | $25.21 | $40,436 | +$12,187 |
Compare Nearby Grades in Chicago-Naperville, IL-IN-WI
How does GS-4 Step 5 compare to adjacent grades in this locality?
Promotion from GS-3 to GS-4 at Step 5 in Chicago-Naperville, IL-IN-WI is a raise of $5,007 per year.
GS-4 Federal Jobs in Chicago-Naperville, IL-IN-WI
Federal employees at GS-4 in the Chicago-Naperville, IL-IN-WI locality area earn between $40,477 and $52,623 annually in 2026. This includes a 30.14% locality pay adjustment on top of the GS-4 base pay of $31,103 to $40,436.
The Chicago-Naperville, IL-IN-WI locality area covers Illinois, Indiana, Wisconsin. At Step 5, a GS-4 employee here earns $4,611 more per year than the same grade and step under the "Rest of United States" rate (17.06%).
As one of the higher-paying locality areas, Chicago-Naperville, IL-IN-WI compensates for the higher cost of living in the region. Federal employees considering a move should compare not just the salary difference but also housing costs, state income taxes, and commuting expenses.
The biweekly pay for a GS-4 Step 1 in this area is $1,557, or approximately $19.39 per hour based on the standard 2,087-hour work year. Step increases are automatic with acceptable performance — it takes 18 years to progress from Step 1 to Step 10.
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