Jefferson County (Ohio)

The Jefferson County is a county located in the U.S. state of Ohio. The administrative headquarters ( County Seat) is Steubenville.


The County is located in the extreme east of Ohio and bordered by West Virginia, whose border is formed by the Ohio River. It has an area of 1064 square kilometers, of which three square miles are water. At the Jefferson County borders the following counties:


The Jefferson County was formed on July 27, 1797 from parts of Washington County. It was named after Thomas Jefferson (1743-1826), the third President of the United States ( 1801-1809 ).

Demographic data

According to the census in 2010 lived in Jefferson County 69 709 people in 29 481 households. The population density was 65.7 inhabitants per square kilometer.

The racial the population was composed of 91.9 percent white, 5.6 percent African American, 0.1 percent Native American, 0.4 percent Asian and other ethnic groups; 1.7 percent were descended from two or more races. Regardless of ethnicity were 1.1 percent of the population are Hispanic or Latino of any race.

In the 29 481 households lived statistically 2.23 per person.

20.2 percent of the population were under 18 years old, 61.5 percent were between 18 and 64 and 18.3 percent were 65 years or older. 52.0 percent of the population was female.

The median income for a household was $ 37,057. The per capita income was $ 20,518. 17.6 percent of the population lived below the poverty line.