Martinsburg Real EstateMartinsburg is located in Iowa. Martinsburg, Iowa has a population of 109. Martinsburg is more family-centric than the surrounding county with 37.93% of the households containing married families with children. The county average for households married with children is 32.33%. The median household income in Martinsburg, Iowa is $61,250. The median household income for the surrounding county is $48,399 compared to the national median of $57,652. The median age of people living in Martinsburg is 35.5 years. Martinsburg WeatherThe average high temperature in July is 84.9 degrees, with an average low temperature in January of 12.5 degrees. The average rainfall is approximately 37.4 inches per year, with 28.1 inches of snow per year. Martinsburg MapReal estate near MartinsburgNearby CitiesNearby Cities Homes for Sale |