William Rayburn
County of Middlesex/Chief Administrative Officer
2025 Salary
$306,652Total compensation $373,357, including $66,705 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
#2County of Middlesex
Years on List
92017–2025
Peak Salary
$306,6522025
Full 2025 roster at County of Middlesex →·See where $306,652 ranks →
Total Compensation History
Full History
2017–2025
$208,321 in 2017 is worth about $262,318 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Chief Administrative OfficerCounty Of Middlesex | $306,652 |
| 2024 | Chief Administrative OfficerCounty Of Middlesex | $258,358 |
| 2023 | Chief Administrative OfficerCounty Of Middlesex | $245,948 |
| 2022 | Chief Administrative OfficerCounty Of Middlesex | $237,623 |
| 2021 | Chief Administrative OfficerCounty Of Middlesex | $231,889 |
| 2020 | Chief Administrative OfficerCounty Of Middlesex | $240,215 |
| 2019 | Chief Administrative OfficerCounty Of Middlesex | $221,031 |
| 2018 | Chief Administrative OfficerCounty of Middlesex | $219,074 |
| 2017 | Chief Administrative OfficerCounty of Middlesex | $208,321 |
Take-Home Pay
(After Tax) · 2025 estimate
William Rayburn was paid $306,652 in 2025; after income tax, CPP and EI that is roughly $182,458, an effective income-tax rate of about 38.7%. It is up about 19% on the $258,358 paid in 2024. Among those listed as Chief Administrative Officer in 2025, the median was $199,241; this salary sits about 54% above it. Pension contributions — likely OMERS in the Municipalities & Services sector — would typically trim another 7–10% off that figure.
- Estimated net pay
- ~$182,458
- Effective income-tax rate (excl. CPP/EI)
- ~38.7%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~40.5%
- vs. 2025 Chief Administrative Officer median
- +54%
Where does $306,652 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.