In 2017, Jefferson County, MS had a population of 7.46k people with a median age of 34.9 and a median household income of $21,779. Between 2016 and 2017 the population of Jefferson County, MS declined from 7,528 to 7,463, a -0.863% decrease and its median household income declined from $23,773 to $21,779, a -8.39% decrease.
The 5 largest ethnic groups in Jefferson County, MS are Black or African American (Non-Hispanic) (86.4%), White (Non-Hispanic) (13.1%), Asian (Non-Hispanic) (0.429%), White (Hispanic) (0.121%), and American Indian & Alaska Native (Non-Hispanic) (0%). N/A% of the people in Jefferson County, MS speak a non-English language, and 99.9% are U.S. citizens.
The median property value in Jefferson County, MS is $57,100, and the homeownership rate is 65.3%. Most people in Jefferson County, MS commute by Drove Alone, and the average commute time is 23 minutes. The average car ownership in Jefferson County, MS is 2 cars per household.