In 2019, Jefferson County, OH had a population of 66.4k people with a median age of 44.8 and a median household income of $46,581. Between 2018 and 2019 the population of Jefferson County, OH declined from 66,886 to 66,371, a −0.77% decrease and its median household income grew from $44,819 to $46,581, a 3.93% increase.
The 5 largest ethnic groups in Jefferson County, OH are White (Non-Hispanic) (90.3%), Black or African American (Non-Hispanic) (5.39%), Two+ (Non-Hispanic) (2.17%), White (Hispanic) (0.922%), and Asian (Non-Hispanic) (0.469%). 0% of the households in Jefferson County, OH speak a non-English language at home as their primary language, and 99.5% of the residents in Jefferson County, OH are U.S. citizens.
The largest universities in Jefferson County, OH are Eastern Gateway Community College (1,051 degrees awarded in 2019), Franciscan University of Steubenville (733 degrees), and Trinity Health System School of Nursing (25 degrees).
In 2019, the median property value in Jefferson County, OH was $93,000, and the homeownership rate was 69%. Most people in Jefferson County, OH drove alone to work, and the average commute time was 23 minutes. The average car ownership in Jefferson County, OH was 2 cars per household.