Gavin Nathaniel Armstrong
City of Sarnia/Sergeant
2025 Salary
$136,971Total compensation $138,931, including $1,960 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
#127City of Sarnia
Years on List
132013–2025
Peak Salary
$139,1332021
Full 2025 roster at City of Sarnia →·See where $136,971 ranks →
Total Compensation History
Full History
2013–2025
$100,386 in 2013 is worth about $134,229 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | SergeantCity Of Sarnia | $136,971Benefits $1,960Total $138,931 |
| 2024 | SergeantCity Of Sarnia | $137,890Benefits $2,030Total $139,919 |
| 2023 | SergeantCity Of Sarnia | $138,558Benefits $1,832Total $140,389 |
| 2022 | SergeantCity Of Sarnia | $132,391Benefits $1,794Total $134,185 |
| 2021 | SergeantCity Of Sarnia | $139,133Benefits $1,770Total $140,902 |
| 2020 | SergeantCity Of Sarnia | $135,617Benefits $1,468Total $137,084 |
| 2019 | First Class ConstableCity Of Sarnia | $114,311Benefits $1,187Total $115,498 |
| 2018 | First Class ConstableCity of Sarnia | $111,404Benefits $1,241Total $112,644 |
| 2017 | First Class ConstableCity of Sarnia | $110,451Benefits $1,049Total $111,500 |
| 2016 | First Class ConstableCity of Sarnia | $107,459Benefits $959Total $108,418 |
| 2015 | First Class ConstableCity of Sarnia | $103,847Benefits $824Total $104,671 |
| 2014 | First Class ConstableCity of Sarnia | $107,297Benefits $483Total $107,780 |
| 2013 | Constable, 1st Class, PoliceCity of Sarnia | $100,386Benefits $456Total $100,841 |
Take-Home Pay
(After Tax) · 2025 estimate
Of the $136,971 Gavin Nathaniel Armstrong earned in 2025, roughly $96,496 would remain after income tax, CPP and EI, an all-in deduction rate of about 29.6%. For comparison, the median Sergeant on the 2025 list was paid $160,325; this salary is about 15% less. Records under this name have appeared on the Sunshine List 13 years in all, first in 2013. After pension contributions (probably OMERS in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$96,496
- Effective income-tax rate (excl. CPP/EI)
- ~25.5%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~29.6%
- vs. 2025 Sergeant median
- −15%
Where does $136,971 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.