In 2017, Jefferson County, IA had a population of 17.9k people with a median age of 40.9 and a median household income of $44,516. Between 2016 and 2017 the population of Jefferson County, IA grew from 17,662 to 17,945, a 1.6% increase and its median household income declined from $45,257 to $44,516, a -1.64% decrease.
The 5 largest ethnic groups in Jefferson County, IA are White (Non-Hispanic) (80.6%), Black or African American (Non-Hispanic) (5.8%), Asian (Non-Hispanic) (5.18%), Two or More Races (Non-Hispanic) (3.71%), and White (Hispanic) (2.62%). N/A% of the people in Jefferson County, IA speak a non-English language, and 90.6% are U.S. citizens.
The largest universities in Jefferson County, IA are Maharishi University of Management (576 degrees awarded in 2017).
The median property value in Jefferson County, IA is $114,300, and the homeownership rate is 67.3%. Most people in Jefferson County, IA commute by Drove Alone, and the average commute time is 13.3 minutes. The average car ownership in Jefferson County, IA is 2 cars per household.