Martinsburg is located in Missouri. Martinsburg, Missouri has a population of 318. Martinsburg is less family-centric than the surrounding county with 11.36% of the households containing married families with children. The county average for households married with children is 29.07%.
The median household income in Martinsburg, Missouri is $39,464. The median household income for the surrounding county is $44,056 compared to the national median of $57,652. The median age of people living in Martinsburg is 48.8 years.
The average high temperature in July is 87.9 degrees, with an average low temperature in January of 19.6 degrees. The average rainfall is approximately 42.8 inches per year, with 18.6 inches of snow per year.
