SEMCOG produces estimates of population and households for every county and community in the seven-county SEMCOG region.  These estimates are provided biannually (mid-year and end-of-year).

Biannual Estimates

The biannual population and household estimates reflect current trends in Southeast Michigan's basic demographics.  Please note that SEMCOG makes occasional adjustments to the biannual estimates as new demographic data about the region becomes available and is incorporated into the estimation process.

December 2014 Estimates (pdf)

Annual Reports

Annual reports are a review of the demographic trends in Southeast Michigan with detailed data and discussion of changes in the region's population and household characteristics.

SEMCOG Quick Facts: A Region on the Rebound: A Post-Recession Analysis of American Community Survey Data for Southeast Michigan, November 2013 identifies the demographic, social, and economic trends in the region between 2000 and 2012.

SEMCOG Quick Facts: A Region on the Rebound; Estimates of Population and Households, July 2013 summarizes the major changes in the region's demographics between 2010 and 2013.

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.