Mackay Real EstateMackay is located in Idaho. Mackay, Idaho has a population of 444. Mackay is more family-centric than the surrounding county with 26.67% of the households containing married families with children. The county average for households married with children is 21.38%. The median household income in Mackay, Idaho is $42,279. The median household income for the surrounding county is $37,976 compared to the national median of $57,652. The median age of people living in Mackay is 43.9 years. Mackay WeatherThe average high temperature in July is 81.5 degrees, with an average low temperature in January of 5.9 degrees. The average rainfall is approximately 11.4 inches per year, with 112.6 inches of snow per year. Mackay MapReal estate near MackayNearby CitiesNearby Cities Homes for Sale |