In 2021, Johnson County, IA had a population of 152k people with a median age of 30.7 and a median household income of $67,414. Between 2020 and 2021 the population of Johnson County, IA grew from 150,819 to 151,833, a 0.672% increase and its median household income grew from $63,062 to $67,414, a 6.9% increase.
The 5 largest ethnic groups in Johnson County, IA are White (Non-Hispanic) (77%), Black or African American (Non-Hispanic) (7.08%), Asian (Non-Hispanic) (6.04%), Two+ (Non-Hispanic) (3.57%), and White (Hispanic) (2.82%).
None of the households in Johnson County, IA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
92.6% of the residents in Johnson County, IA are U.S. citizens.
In 2021, the median property value in Johnson County, IA was $248,100, and the homeownership rate was 59.4%.
Most people in Johnson County, IA drove alone to work, and the average commute time was 19.8 minutes. The average car ownership in Johnson County, IA was 2 cars per household.