Foster City is located in Michigan. Foster City, Michigan has a population of 227. Foster City is less family-centric than the surrounding county with 12.7% of the households containing married families with children. The county average for households married with children is 21.95%.
The median household income in Foster City, Michigan is $38,125. The median household income for the surrounding county is $45,681 compared to the national median of $57,652. The median age of people living in Foster City is 43.4 years.
The average high temperature in July is 79.3 degrees, with an average low temperature in January of 4.9 degrees. The average rainfall is approximately 29.6 inches per year, with 58.4 inches of snow per year.