Smithfield is a town in Johnston County, North Carolina, United States. In 2010, the estimated population was 12,965. It is the county seat of Johnston County. The city is home to the Ava Gardner Museum and is situated along the Neuse River, where visitors enjoy the annual Smithfield Ham & Yam Festival, walks along the Buffalo Creek Greenway and the historic downtown district. Smithfield is located at 35°30′33″N 78°20′47″W / 35.50917°N 78.34639°W / 35.50917; -78.34639 . According to the United States Census Bureau, the... town has a total area of 11.4 square miles , of which 11.4 square miles is land and 0.09% is water. As of the census of 2000, there were 11,510 people, 4,417 households, and 2,676 families residing in the town. The population density was 1,007.6 inhabitants per square mile . There were 4,674 housing units at an average density of 409.2 per square mile . The racial makeup of the town was 62.66% White, 30.99% African American, 0.43% Native American, 0.63% Asian, 0.02% Pacific Islander, 4.14% from other races, and 1.13% from two or more races. Hispanic or Latino of any race were 9.
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| County: | Johnston County |
| State: | North Carolina |
| Population: | 13,201 |
| Area: | 400000000.9 sq. mi. |
| Time zone: | North American Eastern Time Zone |
| Also known as: | Smithfield, North Carolina, Johnston County / Smithfield town |