Geography

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According to the U.S. Census Bureau, the county has a total area of 1,064 km² (411 mi²). 1,061 km² (410 mi²) of it is land and 3 km² (1 mi²) of it (0.31%) is water.

Adjacent counties

• Columbiana County (north)
• Hancock County, West Virginia (northeast)
• Brooke County, West Virginia (east)
• Ohio County, West Virginia (southeast)
• Belmont County (south)
• Harrison County (southwest)
• Carroll County (northwest)

Demographics

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As of the census² of 2000, there were 73,894 people, 30,417 households, and 20,592 families residing in the county. The population density was 70/km² (180/mi²). There were 33,291 housing units at an average density of 31/km² (81/mi²). The racial makeup of the county was 92.49% White, 5.68% Black or African American, 0.20% Native American, 0.33% Asian, 0.02% Pacific Islander, 0.25% from other races, and 1.03% from two or more races. 0.62% of the population were Hispanic or Latino of any race.

There were 30,417 households out of which 26.70% had children under the age of 18 living with them, 52.30% were married couples living together, 11.60% had a female householder with no husband present, and 32.30% were non-families. 28.50% of all households were made up of individuals and 14.40% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.88.

In the county, the population was spread out with 21.40% under the age of 18, 8.50% from 18 to 24, 25.60% from 25 to 44, 25.90% from 45 to 64, and 18.60% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 91.20 males. For every 100 females age 18 and over, there were 87.50 males.

The median income for a household in the county was $30,853, and the median income for a family was $38,807. Males had a median income of $35,785 versus $20,375 for females. The per capita income for the county was $16,476. About 11.40% of families and 15.10% of the population were below the poverty line, including 22.30% of those under age 18 and 8.90% of those age 65 or over.

Government

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Main article: Ohio county government.

Municipalities

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Amsterdam Bergholz Bloomingdale Dillonvale Empire

Irondale Mingo Junction Mount Pleasant New Alexandria

Rayland Richmond Smithfield Steubenville

Stratton Tiltonsville Toronto Wintersville

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Ohio counties | Jefferson County, Ohio | Ohio River counties

Condado de Jefferson, Ohio | Condado de Jefferson (Ohio)