In 2020, Jefferson County, KY had a population of 768k people with a median age of 38.4 and a median household income of $58,196. Between 2019 and 2020 the population of Jefferson County, KY grew from 767,419 to 768,419, a 0.13% increase and its median household income grew from $56,586 to $58,196, a 2.85% increase.
The 5 largest ethnic groups in Jefferson County, KY are White (Non-Hispanic) (66.6%), Black or African American (Non-Hispanic) (21.6%), White (Hispanic) (3.62%), Asian (Non-Hispanic) (2.95%), and Two+ (Non-Hispanic) (2.56%).
None of the households in Jefferson County, KY 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.
95.6% of the residents in Jefferson County, KY are U.S. citizens.
The largest universities in Jefferson County, KY are University of Louisville (5,324 degrees awarded in 2020), Jefferson Community and Technical College (4,731 degrees), and Sullivan University (1,096 degrees).
In 2020, the median property value in Jefferson County, KY was $178,100, and the homeownership rate was 61.5%. Most people in Jefferson County, KY drove alone to work, and the average commute time was 22.6 minutes. The average car ownership in Jefferson County, KY was 2 cars per household.