764 Wellington County public-sector employees earned $100,000 or more on the 2025 Ontario Sunshine List, with an average salary of $125,425 and a median of $118,131. The highest-paid was Nicola Mercer (Medical Officer of Health and Chief Executive Officer at Wellington-Dufferin-Guelph Health Unit) at $356,341. The County of Wellington and the Wellington Catholic District School Board.
These figures cover public-sector employers named for Wellington County — its municipal government, police, transit, school boards, hospitals, and universities that carry the city’s name. Employees at organizations whose names don’t include “Wellington County” (some hospitals and regional bodies) aren’t captured here. Records span 1996–2025.