Eureka Real Estate
Eureka is located in Illinois. Eureka, Illinois has a population of 5,377. Eureka is more family-centric than the surrounding county with 35.83% of the households containing married families with children. The county average for households married with children is 34.08%.
The median household income in Eureka, Illinois is $54,267. The median household income for the surrounding county is $68,119 compared to the national median of $53,482. The median age of people living in Eureka is 39.1 years.
The average high temperature in July is 85.8 degrees, with an average low temperature in January of 14.6 degrees. The average rainfall is approximately 38.4 inches per year, with 21.7 inches of snow per year.