About Three Rivers, MIThree Rivers is located in Michigan. Three Rivers, Michigan has a population of 7,961. Three Rivers is more family-centric than the surrounding county with 34% households with children. The county percentage for households with children is 28%. The median household income in Three Rivers, Michigan is $44,081. The median household income for the surrounding county is $50,317 compared to the national median of $61,963. The median age of people living in Three Rivers is 35.5 years. Three Rivers WeatherThe average high temperature in July is 83.4 degrees, with an average low temperature in January of 13.4 degrees. The annual precipitation is 37. Three Rivers MapThree Rivers real estate officesReal estate near Three RiversNearby CitiesNearby Cities Homes for Sale |