Olmsted is located in Illinois. Olmsted, Illinois has a population of 455. Olmsted is more family-centric than the surrounding county with 30.28% of the households containing married families with children. The county average for households married with children is 20.15%.
The median household income in Olmsted, Illinois is $27,292. The median household income for the surrounding county is $34,655 compared to the national median of $57,652. The median age of people living in Olmsted is 36.8 years.
The average high temperature in July is 88.6 degrees, with an average low temperature in January of 25.6 degrees. The average rainfall is approximately 49.1 inches per year, with 8 inches of snow per year.
