Atlanta in 1990 (IMAGE) Dartmouth College Caption Of the 53 metropolitan areas studied by Professor Wright, Atlanta has undergone some of the most significant demographic change over the last 20 years. The map above shows a predominately white (represented in orange above) and African American (represented in green above) population in 1990. Credit Mixedmetro.us Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.