Jacob is located in Illinois. Jacob, Illinois has a population of 208. Jacob is more family-centric than the surrounding county with 80% of the households containing married families with children. The county average for households married with children is 25.05%.
The median household income in Jacob, Illinois is $100,313. The median household income for the surrounding county is $41,699 compared to the national median of $69,021. The median age of people living in Jacob is 52.1 years.
The average high temperature in July is 88.7 degrees, with an average low temperature in January of 23 degrees. The average rainfall is approximately 44.6 inches per year, with 9.7 inches of snow per year.