July 8, 2015 - The latest figures from the U.S. Census Bureau show a continuing shift in the overall population in the 12-county Deep East Texas Council of Governments (DETCOG) region. “Not only are we experiencing people moving out of the DETCOG Region,” said DETCOG Executive Director Walter Diggles, “but there is also a shift in the makeup of the population.” In the four years since 2010 the region’s overall population decreased by 216.