Clarksville is a city in Johnson County, Arkansas, United States. The population was approximately 9,300 at the 2010 census. The city is the county seat of Johnson County.. Clarksville is nestled between the Arkansas River and the foot hills of the Ozark Mountains and Interstate 40 and US Hwy 64 intersect within the city limits. Clarksville-Johnson County is widely known for its peaches, scenic byways and abundance of natural outdoor recreational activities. Clarksville is located at 35°27′50″N 93°28′38″W / 35.46389°N... 93.47722°W / 35.46389; -93.47722 . According to the United States Census Bureau, the city has a total area of 18.8 square miles , of which 18.0 square miles is land and 0.8 square miles is water. As of the census of 2000, there were 7,719 people, 2,960 households, and 1,918 families residing in the city. The population density was 429.3 people per square mile . There were 3,240 housing units at an average density of 180.2 per square mile . The racial makeup of the city was 87.60% White, 3.46% Black or African American, 0.44% Native American, 0.47% Asian, 0.03% Pacific Islander, 6.
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| County: | Johnson County |
| State: | Arkansas |
| Country: | United States of America |
| Population: | 8,731 |
| Area: | 18.8 sq. mi. |
| Time zone: | Central Time zone |
| Also known as: | Clarksville, Arkansas, Johnson County / Clarksville city |