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).
Quick facts Country, State ...
Jefferson County |
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 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 |
| Country | United States |
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| State | Arkansas |
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| Formed | November 2, 1829
(195 years ago) (1829-11-02) |
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| Named for | Thomas Jefferson |
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| Seat | Pine Bluff |
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| Largest city | Pine Bluff |
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| Other cities | Altheimer, Humphrey, Redfield, White Hall |
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| • Total | 914 sq mi (2,370 km2) |
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| • Land | 871 sq mi (2,260 km2) |
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| • Water | 43 sq mi (110 km2) 4.7% |
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| • Total | 67,260 |
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| • Density | 74/sq mi (28/km2) |
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| Time zone | UTC−6 (Central) |
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| • Summer (DST) | UTC−5 (CDT) |
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| ZIP Codes | 71601–71603, 71644, 71659, 72004, 72046, 72073, 72079, 72132, 72150, 72152, 72160, 72168, 72175 |
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| Area code | 501, 870 |
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| Website | jeffersoncounty.arkansas.gov |
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