About Portage, MIPortage is located in Michigan. Portage, Michigan has a population of 48,156. Portage is more family-centric than the surrounding county with 28% households with children. The county percentage for households with children is 26%. The median household income in Portage, Michigan is $59,280. The median household income for the surrounding county is $50,720 compared to the national median of $57,525. The median age of people living in Portage is 39.5 years. Portage WeatherThe average high temperature in July is 84.2 degrees, with an average low temperature in January of 17 degrees. The annual precipitation is 37.41. Portage MapPortage real estate officesReal estate near PortageNearby Cities |