Pecatonica Real EstatePecatonica is located in Illinois. Pecatonica, Illinois has a population of 2,189. Pecatonica is less family-centric than the surrounding county with 24.87% of the households containing married families with children. The county average for households married with children is 25.33%. The median household income in Pecatonica, Illinois is $65,767. The median household income for the surrounding county is $57,779 compared to the national median of $69,021. The median age of people living in Pecatonica is 37.8 years. Pecatonica WeatherThe average high temperature in July is 83.6 degrees, with an average low temperature in January of 12.4 degrees. The average rainfall is approximately 36.4 inches per year, with 33.3 inches of snow per year. Pecatonica MapReal estate near PecatonicaNearby CitiesNearby Cities Homes for Sale |