Royal Oak, residential city (1990 pop. 65,410), Oakland co., SE Mich., a suburb of Detroit; settled c.1820, inc. as a city 1921. There is metal forging and the manufacture of automotive and computer parts. Royal Oak's population decreased considerably in the late 20th cent. The Detroit Zoological Park is there.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.