South Lyon is located in Michigan. South Lyon, Michigan 48178has a population of 13,376. South Lyon 48178 is more family-centric than the surrounding county with 33% households with children. The county percentage for households with children is 27%.
The median household income in South Lyon, Michigan 48178 is $74,724. The median household income for the surrounding county is $82,437 compared to the national median of $66,222. The median age of people living in South Lyon 48178 is 40.8 years.
The average high temperature in July is 81.7 degrees, with an average low temperature in January of 14.3 degrees. The annual precipitation is 29.28.