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.
Portage, MI Unacceptable: Kalamazoo Stats and Demographics for the 49002 ZIP Code. ZIP code 49002 is located in south Michigan and covers a slightly less than average land area compared to other ZIP codes in the United States. It also has a slightly less than average population density. The people living in ZIP code 49002 are primarily white.