Farmington is located in Illinois. Farmington, Illinois has a population of 2,436. Farmington is more family-centric than the surrounding county with 32% households with children. The county percentage for households with children is 26%.
The median household income in Farmington, Illinois is $54,280. The median household income for the surrounding county is $53,713 compared to the national median of $66,222. The median age of people living in Farmington is 40.3 years.
The average high temperature in July is 85.09 degrees, with an average low temperature in January of 10.63 degrees. The annual precipitation is 39.85.