Jacob is located in Illinois. Jacob, Illinois has a population of 209. Jacob is more family-centric than the surrounding county with 28% households with children. The county percentage for households with children is 22%.
The median household income in Jacob, Illinois is $46,987. The median household income for the surrounding county is $40,910 compared to the national median of $66,222. The median age of people living in Jacob is 42.6 years.
The average high temperature in July is 88.74 degrees, with an average low temperature in January of 20.98 degrees. The annual precipitation is 45.69.