Karen Demko
Niagara Health System/Registered Nurse / Infirmière autorisée
2025 Salary
$189,699Total compensation $190,214, including $515 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
At a Glance
2025
Employer Rank
#34Niagara Health System
Years on List
172008–2025
Peak Salary
$189,6992025
Full 2025 roster at Niagara Health System →·See where $189,699 ranks →
Total Compensation History
Full History
2008–2025
$103,669 in 2008 is worth about $149,188 in 2025 dollars.
Take-Home Pay
(After Tax) · 2025 estimate
Karen Demko was paid $189,699 in 2025; after income tax, CPP and EI that is roughly $125,377, an effective income-tax rate of about 31.0%. That is about 60% above the 2025 median of $118,460 for Registered Nurse on the Sunshine List. Records under this name have appeared on the Sunshine List 17 years in all, first in 2008. After pension contributions (probably HOOPP in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$125,377
- Effective income-tax rate (excl. CPP/EI)
- ~31.0%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~33.9%
- vs. 2025 Registered Nurse median
- +60%
Where does $189,699 rank on the Sunshine List? →
Estimate only: 2025 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.