Foster is located in Missouri. Foster, Missouri has a population of 158. Foster is less family-centric than the surrounding county with 9.33% of the households containing married families with children. The county average for households married with children is 29.09%.
The median household income in Foster, Missouri is $115,333. The median household income for the surrounding county is $45,605 compared to the national median of $57,652. The median age of people living in Foster is 52.1 years.
The average high temperature in July is 89 degrees, with an average low temperature in January of 19.5 degrees. The average rainfall is approximately 43.3 inches per year, with 9.7 inches of snow per year.