In 2019, Johnson County, NE had a population of 5.16k people with a median age of 40.9 and a median household income of $54,712. Between 2018 and 2019 the population of Johnson County, NE declined from 5,197 to 5,161, a −0.693% decrease and its median household income grew from $52,794 to $54,712, a 3.63% increase.
The 5 largest ethnic groups in Johnson County, NE are White (Non-Hispanic) (80.4%), Black or African American (Non-Hispanic) (6.06%), White (Hispanic) (5.99%), Other (Hispanic) (4.22%), and Asian (Non-Hispanic) (1.57%). 0% of the households in Johnson County, NE speak a non-English language at home as their primary language, and 97.4% of the residents in Johnson County, NE are U.S. citizens.
In 2019, the median property value in Johnson County, NE was $94,400, and the homeownership rate was 73.4%. Most people in Johnson County, NE drove alone to work, and the average commute time was 20.1 minutes. The average car ownership in Johnson County, NE was 2 cars per household.