Огайо штатындағы Росс округі

County in Ohio, United States

Ross County is a county in the Appalachian region of the U. S. state of Ohio. As of the 2020 United States Census, the population was 77,093. Its county seat is Chillicothe, the first and third capital of Ohio. Established on August 20, 1798, the county is named for Federalist Senator James Ross of Pennsylvania. Ross County comprises the Chillicothe, OH Micropolitan Statistical Area, which is also included in the Columbus Marion Zanesville, OH Combined Statistical Area.

Ross County was described by Ephraim George Squier and Edwin Hamilton Davis as having almost "one hundred enclosures of various sizes, and five hundred mounds" in their book, Ancient Monuments of the Mississippi Valley (1848). They described the Indian built earthworks as ranging from five to 30 feet in size, and enclosures of one to 50 acres large. These included Serpent Mound, Fort Ancient, Mound City, and Seip Earthworks (both now part of Hopewell Culture National Historical Park), and Newark Earthworks.

The Scioto River flows southward through the east central part of the county. Paint Creek drains the lower central part of the county, flowing eastward to its terminus with the Scioto at a point southeast of Chillicothe. The county terrain consists of frequent wooded hills, with the intermediate level areas devoted to agriculture. The county's highest point is Farrell Hill, 6 mile (10 km) northeast of Bainbridge. The county has a total area of 693 square miles (1,795 km2), of which 689 square miles (1,785 km2) is land and 3.8 square miles (10 km2) (0.6%) is water. Ross County is the second largest county by land area in Ohio, after Ashtabula County, as well as the fifth largest by total area.

As of the 2000 United States Census, there were 73,345 people, 27,136 households, and 19,185 families in the county. The population density was There were 29,461 housing units at an average density of The racial makeup of the county was 91.74% White, 6.20% Black or African American, 0.31% Native American, 0.35% Asian, 0.02% Pacific Islander, 0.19% from other races, and 1.20% from two or more races. 0.58% of the population were Hispanic or Latino of any race. There were 27,136 households, out of which 32.70% had children under the age of 18 living with them, 55.20% were married couples living together, 11.10% had a female householder with no husband present, and 29.30% were non families. 24.90% of all households were made up of individuals, and 10.30% had someone living alone who was 65 years of age or older. The average household size was 2.50 and the average family size was 2.97. The county population contained 24.00% under the age of 18, 8.60% from 18 to 24, 31.60% from 25 to 44, 23.60% from 45 to 64, and 12.20% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 108.30 males. For every 100 females age 18 and over, there were 109.00 males. The median income for a household in the county was $37,117, and the median income for a family was $43,241. Males had a median income of $35,892 versus $23,399 for females. The per capita income for the county was $17,569. About 9.10% of families and 12.00% of the population were below the poverty line, including 15.10% of those under age 18 and 10.20% of those age 65 or over.

As of the 2010 United States Census, there were 78,064 people, 28,919 households, and 19,782 families in the county. The population density was There were 32,148 housing units at an average density of The racial makeup of the county was 90.7% white, 6.2% black or African American, 0.4% Asian, 0.3% American Indian, 0.3% from other races, and 2.1% from two or more races. Those of Hispanic or Latino origin made up 1.0% of the population. Of the 28,919 households, 32.8% had children under the age of 18 living with them, 50.2% were married couples living together, 12.6% had a female householder with no husband present, 31.6% were non families, and 26.2% of all households were made up of individuals. The average household size was 2.48 and the average family size was 2.95. The median age was 39.8 years.

Ohio University established a regional campus in Chillicothe in 1966. The university has over 2,500 students enrolled as of 2010, ranging from traditional aged students and non traditional learners.