Farmington Real EstateFarmington is located in Illinois. Farmington, Illinois has a population of 2,015. Farmington is more family-centric than the surrounding county with 29.06% of the households containing married families with children. The county average for households married with children is 24.56%. The median household income in Farmington, Illinois is $53,563. The median household income for the surrounding county is $53,441 compared to the national median of $69,021. The median age of people living in Farmington is 34.6 years. Farmington WeatherThe average high temperature in July is 84.9 degrees, with an average low temperature in January of 15.1 degrees. The average rainfall is approximately 40.3 inches per year, with 21.3 inches of snow per year. Farmington MapReal estate near FarmingtonNearby CitiesNearby Cities Homes for Sale |