Belfast Real EstateBelfast is located in Maine. Belfast, Maine has a population of 6,680. Belfast is less family-centric than the surrounding county with 22.91% of the households containing married families with children. The county average for households married with children is 26.47%. The median household income in Belfast, Maine is $59,260. The median household income for the surrounding county is $50,162 compared to the national median of $57,652. The median age of people living in Belfast is 46.8 years. Belfast WeatherThe average high temperature in July is 76.3 degrees, with an average low temperature in January of 10 degrees. The average rainfall is approximately 45.7 inches per year, with 63.9 inches of snow per year. Belfast MapReal estate near BelfastNearby CitiesNearby Cities Homes for Sale |