Joanna Kostka
St. Mary’s General Hospital/Registered Nurse
2024 Salary — last year on the list
$126,531Total compensation $127,035, including $504 in taxable benefits.
Source: Ontario’s Public Sector Salary Disclosure — names paid $100,000 or more that year. How we build this · Report an error on this page
Records separated by several years; may be more than one person.
At a Glance
2024
Employer Rank
#122St. Mary’s General Hospital
Years on List
62013–2024
Peak Salary
$126,5312024
Full 2024 roster at St. Mary’s General Hospital →·See where $126,531 ranks →
Total Compensation History
Full History
2013–2024
$103,109 in 2013 is worth about $137,870 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2024 | Registered NurseSt. Mary’s General Hospital | $126,531Benefits $504Total $127,035 |
| 2023 | Registered NurseSt. Mary's General Hospital | $121,752Benefits $665Total $122,417 |
| 2022 | Registered NurseSt. Mary’s General Hospital | $102,587Benefits $697Total $103,285 |
| 2021 | Registered NurseSt. Mary’s General Hospital | $111,346Benefits $742Total $112,088 |
| 2020 | Registered NurseSt. Mary’s General Hospital | $102,468Benefits $674Total $103,142 |
| 2013 | Registered NurseSt. Mary's General Hospital | $103,109Benefits $0Total $103,109 |
Take-Home Pay
(After Tax) · 2024 estimate
Joanna Kostka was paid $126,531 in 2024; after income tax, CPP and EI that is roughly $90,042, an effective income-tax rate of about 24.8%. The 2023 record under this name shows $121,752. Records under this name have appeared on the Sunshine List 6 years in all, first in 2013. Most Hospitals & Boards of Public Health employees belong to HOOPP, so actual take-home is likely another 7–10% lower after pension contributions.
- Estimated net pay
- ~$90,042
- Effective income-tax rate (excl. CPP/EI)
- ~24.8%
- CPP + EI contributions
- ~$5,105
- All-in deduction rate (incl. CPP/EI)
- ~28.8%
- vs. 2024 Registered Nurse median
- +9%
Where does $126,531 rank on the Sunshine List? →
Estimate only: 2024 federal and Ontario rates, basic personal amounts, Canada employment amount and CPP/EI credits; single, employment income only, salary treated as full-year income. Ignores pension contributions (OMERS, HOOPP, OTPP, OPTrust and similar plans lower actual take-home), union dues, RRSPs and benefits.