Two interviews with Professor Emeritus Dick Morrill are featured on the Seattle Times website. In the first interview, Dr. Morrill explains the forces that drove changes in King County’s population density from 1940 to 2010. The second focuses specifically on changes in minority populations in King County. Both interviews provides great social and economic histories of the area, complete with population density maps for each decade illustrating the changes.
On changes in general population density:
On changes in minority populations:
The original interviews can be found at The Seattle Times