In 2018, Johnson County, IA had a population of 147k people with a median age of 30 and a median household income of $61,640. Between 2017 and 2018 the population of Johnson County, IA grew from 144,425 to 147,001, a 1.78% increase and its median household income grew from $59,965 to $61,640, a 2.79% increase.
The 5 largest ethnic groups in Johnson County, IA are White (Non-Hispanic) (78.8%), Black or African American (Non-Hispanic) (6.68%), Asian (Non-Hispanic) (6.29%), White (Hispanic) (3.3%), and Two+ (Non-Hispanic) (2.07%). NaNk% of the people in Johnson County, IA speak a non-English language, and 92% 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 $216,900, and the homeownership rate is 59.7%. Most people in Johnson County, IA commute by Drove Alone, and the average commute time is 18.3 minutes. The average car ownership in Johnson County, IA is 2 cars per household.