delÂ·eÂ·teÂ·riÂ·ous. adj. Having a harmful effect; injurious: the deleterious effects of smoking.
Portage Info. Portage, Michigan is located in Kalamazoo County. Zip codes in Portage, MI include 49081, 49002, and 49024. The median home price in Portage is $188,900 which is roughly $101/per square foot. More Portage information.
Grand Rapids, MI Profile. Grand Rapids, MI, population 193,710, is located in Michigan's Kent county, about 58.6 miles from Lansing and 93.4 miles from South Bend. Through the 90's Grand Rapids's population has grown by about 5%. It is estimated that in the first 5 years of the past decade the population of Grand Rapids has declined by about 2%.