Joppa is located in Illinois. Joppa, Illinois has a population of 282. Joppa is less family-centric than the surrounding county with 21.82% of the households containing married families with children. The county average for households married with children is 29.84%.
The median household income in Joppa, Illinois is $34,375. The median household income for the surrounding county is $57,658 compared to the national median of $69,021. The median age of people living in Joppa is 26.4 years.
The average high temperature in July is 88.8 degrees, with an average low temperature in January of 25.2 degrees. The average rainfall is approximately 47.7 inches per year, with 7.3 inches of snow per year.