Jefferson 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 |
| • Estimate (2023) | 63,661  |
| • 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 |
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.