Child riding a bike, County road, residential development

County of Middlesex Departments and Services

We service an area of over 3,300 square kilometers through a number of offices and service centres located throughout the county, with the main county building located on Ridout Street North in London. The County of Middlesex has so much to offer its residents and we encourage you to explore everything we have to offer!

Middlesex County is part of a growing, prosperous region.  Middlesex County is projected to grow by 13.8%.  The Middlesex/London Region is expected to grow by 8.6%. For more information on population trends, projections and age breakdowns, visit the Population Projections page.

We invite you to learn more about the departments and services provided by the County of Middlesex and we welcome any additional comments or questions you may have, which can be submitted through our Contact Us page.


Emergency Services


Forestry and Natural Heritage


Planning and Development




Social Services