Union Gap Real EstateUnion Gap is located in Washington. Union Gap, Washington has a population of 6,152. Union Gap is less family-centric than the surrounding county with 23.67% of the households containing married families with children. The county average for households married with children is 33.95%. The median household income in Union Gap, Washington is $38,667. The median household income for the surrounding county is $47,470 compared to the national median of $57,652. The median age of people living in Union Gap is 35.6 years. Union Gap WeatherThe average high temperature in July is 88.5 degrees, with an average low temperature in January of 23.3 degrees. The average rainfall is approximately 15.6 inches per year, with 21.6 inches of snow per year. Union Gap MapReal estate near Union GapNearby CitiesNearby Cities Homes for Sale |