Monticello 52310 Real EstateMonticello is located in Iowa. Monticello, Iowa 52310has a population of 3,994. Monticello 52310 is less family-centric than the surrounding county with 24.55% of the households containing married families with children. The county average for households married with children is 25.42%. The median household income in Monticello, Iowa 52310 is $57,851. The median household income for the surrounding county is $63,279 compared to the national median of $69,021. The median age of people living in Monticello 52310 is 38.4 years. Monticello WeatherThe average high temperature in July is 83.7 degrees, with an average low temperature in January of 8.7 degrees. The average rainfall is approximately 37 inches per year, with 27.7 inches of snow per year. Monticello MapReal estate near MonticelloNearby CitiesNearby Cities Homes for Sale |