In 2017, Johnson County, IA had a population of 144k people with a median age of 29.9 and a median household income of $59,965. Between 2016 and 2017 the population of Johnson County, IA grew from 142,006 to 144,425, a 1.7% increase and its median household income grew from $56,808 to $59,965, a 5.56% increase.
The 5 largest ethnic groups in Johnson County, IA are White (Non-Hispanic) (79.6%), Black or African American (Non-Hispanic) (6.28%), Asian (Non-Hispanic) (6.22%), White (Hispanic) (3.32%), and Two or More Races (Non-Hispanic) (2.02%). N/A% of the people in Johnson County, IA speak a non-English language, and 92.8% are U.S. citizens.
The largest universities in Johnson County, IA are University of Iowa (8,372 degrees awarded in 2017), La James International College-Iowa City (26 degrees), and The Salon Professional Academy (461731) (26 degrees).
The median property value in Johnson County, IA is $210,400, and the homeownership rate is 59.3%. Most people in Johnson County, IA commute by Drove Alone, and the average commute time is 18.1 minutes. The average car ownership in Johnson County, IA is 2 cars per household.