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.
For other uses, see Port Huron (disambiguation). Port Huron is a city in the U.S. state of Michigan and the county seat of St. Clair County. The population was 30,184 at the 2010 census. The city is adjacent to Port Huron Township but is administratively autonomous.