Jefferson County, Arkansas
County of Jefferson | |
|---|---|
The south façade of the Jefferson County Courthouse in Pine Bluff | |
Location within the U.S. state of Arkansas | |
| 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 after | 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 (2024) | 63,672 |
| • Density | 77.2/sq mi (29.8/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, officially the County of Jefferson, 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. The county seat and most populous city is Pine Bluff. The county is included in the Pine Bluff micropolitan statistical area.
Jefferson County was formed from Vaugine Township, Pulaski County and Richland Township, Arkansas County in the Arkansas Territory on November 2, 1829. It is named for Thomas Jefferson, third U.S. president. It was the site of the Battle of Pine Bluff on October 25, 1863.