Martinsburg 25403 Real EstateMartinsburg is located in West Virginia. Martinsburg, West Virginia 25403has a population of 17,451. Martinsburg 25403 is less family-centric than the surrounding county with 29.68% of the households containing married families with children. The county average for households married with children is 30.27%. The median household income in Martinsburg, West Virginia 25403 is $40,450. The median household income for the surrounding county is $59,480 compared to the national median of $57,652. The median age of people living in Martinsburg 25403 is 34.6 years. Martinsburg WeatherThe average high temperature in July is 86.3 degrees, with an average low temperature in January of 21.4 degrees. The average rainfall is approximately 39.9 inches per year, with 23.8 inches of snow per year. Martinsburg MapReal estate near MartinsburgNearby CitiesNearby Cities Homes for SaleMartinsburg Zip Codes |