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Johnston County, North Carolina

Johnston County
Johnston County Courthouse in Smithfield
Johnston County Courthouse in Smithfield
Map of North Carolina highlighting Johnston County
Location within the U.S. state of North Carolina
Map of the United States highlighting North Carolina
North Carolina's location within the U.S.
Coordinates: 35°30′48″N 78°22′02″W / 35.513419°N 78.367348°W / 35.513419; -78.367348
Country United States
State North Carolina
EstablishedJune 28, 1746 (1746-06-28)
Named forGabriel Johnston
SeatSmithfield
Largest communityClayton
Area
 • Total795.65 sq mi (2,060.7 km2)
 • Land792.02 sq mi (2,051.3 km2)
 • Water3.63 sq mi (9.4 km2)  0.46%
Population
 (2020)
 • Total215,999
 • Density272.72/sq mi (105.30/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
ZIP Codes
27501, 27504, 27520, 27524, 27527, 27529, 27542, 27555, 27557, 27568, 27569, 27576, 27577, 27591, 27592, 27597, 27603, 28334, 28366
Area code919, 984
Congressional district13th
Websitejohnstonnc.com

Johnston County is a county in the U.S. state of North Carolina. In 2020, 215,999 people lived there.[1] Its county seat is Smithfield.

  1. "QuickFacts: Johnston County, North Carolina". United States Census Bureau. Retrieved January 18, 2024.

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