Mertztown Real EstateMertztown is located in Pennsylvania. Mertztown, Pennsylvania has a population of 763. Mertztown is less family-centric than the surrounding county with 8.49% of the households containing married families with children. The county average for households married with children is 29.62%. The median household income in Mertztown, Pennsylvania is $57,174. The median household income for the surrounding county is $59,580 compared to the national median of $57,652. The median age of people living in Mertztown is 41.2 years. Mertztown WeatherThe average high temperature in July is 85.2 degrees, with an average low temperature in January of 21.5 degrees. The average rainfall is approximately 46.5 inches per year, with 17.1 inches of snow per year. Mertztown MapReal estate near MertztownNearby CitiesNearby Cities Homes for Sale |