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.
The closest town to the halfway point is Birch Run, MI, situated 23.3 miles from Flint, MI and 17.7 miles from Saginaw, MI. It would take 22 minutes to go from Flint to Birch Run and 18 minutes to go from Saginaw to Birch Run.