Jefferson County, Arkansas

Jefferson County
Jefferson County
County
	County of Jefferson
	The south façade of the Jefferson County Courthouse
	Location within the U.S. state of Arkansas
	Arkansas's location within the U.S.
	Coordinates: 34°17′15″N 91°56′32″W / 34.28750°N 91.94222°W
Country	United States
State	Arkansas
Established	November 2, 1829
Named for	Thomas Jefferson
Seat	Pine Bluff
Largest city	Pine Bluff
Other cities	Altheimer, Humphrey, Redfield, White Hall
Government
• County Judge	Gerald Robinson (D)
Area
• Total	914 sq mi (2,370 km2)
• Land	871 sq mi (2,260 km2)
• Water	43 sq mi (110 km2) 4.7%
Population (2020)
• Total	67,260
• Density	74/sq mi (28/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
ZIP Codes	71601–71603, 71644, 71659, 72004, 72046, 72073, 72079, 72132, 72150, 72152, 72160, 72168, 72175
Area code	501, 870
Congressional district	4th
Website	jeffersoncountyar.gov

Jefferson County, Arkansas is a county located in the U.S. state of Arkansas in the area known as the Arkansas Delta that extends west of the Mississippi River. Jefferson County consists of five cities, two towns, and 20 townships. It is bisected by the Arkansas River, which was critical to its development and long the chief transportation byway. In 2020, Jefferson County's population was estimated at 67,260.^[1] The county seat and largest city is Pine Bluff.^[2] The county is included in the Pine Bluff metropolitan statistical area. The county seat and the most populous city is Pine Bluff.

Jefferson County was formed from Vaugine Township, Pulaski County and Richland Township, Arkansas County in the Arkansas Territory on November 2, 1829.^[3] It is named for Thomas Jefferson, third U.S. president.^[4] It was the site of the Battle of Pine Bluff on October 25, 1863.

^ "U.S. Census Bureau QuickFacts: Jefferson County, Arkansas". www.census.gov. Retrieved November 22, 2022.
^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
^ "General Assembly". The Arkansas Gazette. Vol. X, no. 42. Little Rock. October 13, 1829. p. 1.
^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States (Report) (2nd ed.). Washington: Government Printing Office. p. 168 – via United States Geological Survey.