Membership map

The Southeast Michigan Council of Governments (SEMCOG) supports local planning through its technical, data, and intergovernmental resources. The work SEMCOG does improves the quality of the region's water, makes the transportation system safer and more efficient, revitalizes communities, and spurs economic development.

The function of SEMCOG is to:

  • Promote informed decision-making by improving Southeast Michigan and its local governments through insightful data analysis and direct assistance to members;
  • Promote the efficient use of tax dollars for infrastructure investment and governmental effectiveness;
  • Develop regional solutions that go beyond the boundaries of individual local governments;  and
  • Advocate on behalf of Southeast Michigan in Lansing and Washington.

Since its inception in 1968, SEMCOG has acted as a regional planning partner with local member governments. Membership is open to all counties, cities, villages, townships, intermediate school districts, and community colleges. SEMCOG serves the Southeast Michigan region, made up of Livingston, Macomb, Monroe, Oakland, St. Clair, Washtenaw, and Wayne Counties. Associate, non-voting, memberships are offered to eligible public universities. 

Additional Materials:

Freedom of Information Act

SEMCOG maintains vast amounts of information, most of which is accessible through our website. If you are unable to find the information you require please contact SEMCOG at 313-324-3330 so that we can assist you in finding the information you desire. Under state law you may also follow formal procedures to request information through the Freedom of Information Act. This page contains the information on how to submit a formal request under this law. 

Freedom of Information Act Procedures and Guidelines
Written Public Summary of FOIA Procedures and Guidelines
FOIA Fee Itemization Form


Developing Regional Solutions
SEMCOG is a regional planning partnership of governmental units serving 4.7 million people in the seven-county region of Southeast Michigan striving to enhance the region's quality of life.