Capital One, National Association Data Scientists salaries in Chicago-Naperville-Elgin, IL-IN
Median $125,800 across 54 filings, Jul 2023 to Jun 2026.
Calculate take-home pay on the calculator pageMedian
$125,800
Middle 50%
$98,500–$138,700
Filings
54
- Median is 9% above the median for Data Scientists in Chicago-Naperville-Elgin, IL-IN ($115,900).
- Most filings are wage Level IV (35%).
Level I 9%
Level II 9%
Level III 2%
Level IV 35%
Not stated 44%
Take-home pay
| Gross | $125,800 |
| Federal income tax | $18,900 |
| Social Security | $7,800 |
| Medicare | $1,800 |
| State income tax | $6,100 |
| Health insurance (employee share) | $1,400 |
| Take-home per year | $89,700 |
| Take-home per month | $7,500 |
Tax year 2026, single filer.
Local taxes, 401(k), and filing status other than single are not included.
Tax rates checked against IRS, Tax Foundation, and other original sources on Oct 28, 2026.
This is an estimate. Actual taxes depend on your situation. Consult a tax professional before filing.
Data Scientists salaries in Chicago-Naperville-Elgin, IL-INCapital One, National Association Data Scientists nationwide
LCA filings are not hires.
Filed wages are offered base pay, not total compensation.
We did not independently verify the source files. Deduplication and filtering can cause differences from the original data.