Byrnes Mill is located in Missouri. Byrnes Mill, Missouri has a population of 2,900. Byrnes Mill is less family-centric than the surrounding county with 24.18% of the households containing married families with children. The county average for households married with children is 31.79%.
The median household income in Byrnes Mill, Missouri is $67,353. The median household income for the surrounding county is $60,765 compared to the national median of $57,652. The median age of people living in Byrnes Mill is 39.5 years.
The average high temperature in July is 88.1 degrees, with an average low temperature in January of 20.8 degrees. The average rainfall is approximately 43.3 inches per year, with 12.7 inches of snow per year.