La Harpe is located in Illinois. La Harpe, Illinois has a population of 1,300. La Harpe is less family-centric than the surrounding county with 23.6% of the households containing married families with children. The county average for households married with children is 27.64%.
The median household income in La Harpe, Illinois is $42,750. The median household income for the surrounding county is $58,188 compared to the national median of $69,021. The median age of people living in La Harpe is 45.8 years.
The average high temperature in July is 86 degrees, with an average low temperature in January of 15.8 degrees. The average rainfall is approximately 40.3 inches per year, with 22.2 inches of snow per year.