About Us

The Large Urban Mayors' Caucus of Ontario (LUMCO) is comprised of Mayors of 29 cities with populations of 100,000 or more, amounting to 69% of Ontario’s population. 

Mayor Cam Guthrie, City of Guelph is the current Chair of the Large Urban Mayors’ Caucus of Ontario.

LUMCO’s main objective is to support and enhance strong and effective large urban governments. LUMCO considers matters of specific interest to its member municipalities and takes united action on matters where rights, services or programs of its member municipalities may be affected.

LUMCO advances the standards of municipal government through public policy development, advocacy and discussion. 

LUMCO is formed by 29 member municipalities:

Ajax
Barrie
Brampton
Brantford
Burlington
Cambridge
Chatham-Kent

Clarington
Guelph
Hamilton
Kingston
Kitchener
London
Markham

Milton                   Mississauga
Oakville
Oshawa
Ottawa
Pickering
Richmond Hill

St. Catharines
Greater Sudury
Thunder Bay
Toronto
Vaughan
Waterloo
Whitby
Windsor

LUMCO member municipalities have a population of 100,000 residents or more. Regional Governments are not members of LUMCO as they are represented by the Mayors and Regional Chairs of Ontario (MARCO). 

LUMCO Aims to:

  • Provide an opportunity for consultation and cooperation among member municipalities by being a forum of open discussion

  • Ensure all LUMCO members have access to full and timely information on key priorities and arising issues

  • Develop policy positions and reports on issues of importance to large urban municipalities

  • Provide strategic and timely advice to AMO and /or the Province of Ontario on key priorities and arising issues

  • Achieve measurable progress on key policy areas

  • Develop and carry out advocacy plans for important issues

  • Deliver a common message and react to change in a nimble and organized fashion

  • Provide solidarity and share resources required to meet the priorities of LUMCO