In 2023, Johnson County, IA had a population of 155k people with a median age of 30.8 and a median household income of $74,721. Between 2022 and 2023 the population of Johnson County, IA grew from 153,360 to 154,881, a 0.992% increase and its median household income grew from $72,977 to $74,721, a 2.39% increase.
The 5 largest ethnic groups in Johnson County, IA are White (Non-Hispanic) (75.5%), Black or African American (Non-Hispanic) (7.46%), Asian (Non-Hispanic) (5.78%), Two+ (Non-Hispanic) (4.04%), and Two+ (Hispanic) (2.65%).
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.
94.1% of the residents in Johnson County, IA are U.S. citizens.
The largest universities in Johnson County, IA are University of Iowa (9,271 degrees awarded in 2022) and PCI Academy-Iowa City (42 degrees).
In 2023, the median property value in Johnson County, IA was $293,100, and the homeownership rate was 58.8%.
Most people in Johnson County, IA drove alone to work, and the average commute time was 19.7 minutes. The average car ownership in Johnson County, IA was 2 cars per household.
Johnson County, IA borders Benton County, IA, Cedar County, IA, Iowa County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, and Washington County, IA.