IT salaries in St. Louis, MO-IL
Median $102,100 across 5,610 filings, Jul 2023 to Jun 2026.
Calculate take-home pay on the calculator pageMedian
$102,100
Middle 50%
$88,000–$123,200
Filings
5,610
- Median is 20% below the median for all IT roles ($128,000).
- Most filings are wage Level II (48%).
- Mastercard Technologies, LLC has the most filings (495), with a median of $115,000.
Salaries by job
| Role | Filings | Median |
|---|---|---|
| Software Developers | 3,305 | $107,600 |
| Computer Occupations, All Other | 828 | $102,100 |
| Software Quality Assurance Analysts and Testers | 391 | $84,400 |
| Data Scientists | 374 | $95,000 |
| Computer Systems Analysts | 279 | $97,300 |
| Database Administrators | 121 | $100,500 |
| Database Architects | 115 | $130,000 |
| Network and Computer Systems Administrators | 113 | $86,000 |
| Computer Network Architects | 42 | $118,800 |
| Information Security Analysts | 42 | $122,000 |
Top companies
Level I 7%
Level II 48%
Level III 25%
Level IV 18%
Not stated 2%
Take-home pay
| Gross | $102,100 |
| Federal income tax | $13,600 |
| Social Security | $6,300 |
| Medicare | $1,500 |
| State income tax | $3,900 |
| Health insurance (employee share) | $1,400 |
| Take-home per year | $75,400 |
| Take-home per month | $6,300 |
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.
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.