Jefferson County, Arkansas

Jefferson County
County
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 / 34.2875°N 91.942222222222°W / 34.2875; -91.942222222222
Country	United States
State	Arkansas
Formed	November 2, 1829 (195 years ago) (1829-11-02)
Named for	Thomas Jefferson
Seat	Pine Bluff
Largest city	Pine Bluff
Other cities	Altheimer, Humphrey, Redfield, White Hall
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)[1]
• 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
Website	jeffersoncounty.arkansas.gov

Jefferson County is a county in the Arkansas Delta of the U.S. state of Arkansas. As of the 2020 census, the population was 67,260.^[1] Its county seat and largest city is Pine Bluff.^[2] Jefferson County was founded on November 2, 1829, and named for Thomas Jefferson,^[3] third President of the United States (1801–1809).

1. ↑ ^{1.0 1.1} "QuickFacts: Jefferson County, Arkansas". United States Census Bureau. Retrieved August 8, 2023.
2. ↑ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
3. ↑ 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.