Phillips County, Arkansas
Phillips County Courthouse in Helena-West Helena
Location within the U.S. state of Arkansas
Arkansas's location within the U.S.
|Founded||May 1, 1820|
|Largest city||Helena-West Helena|
|• Total||727 sq mi (1,880 km2)|
|• Land||696 sq mi (1,800 km2)|
|• Water||32 sq mi (80 km2) 4.4%%|
| • Estimate |
|• Density||31/sq mi (12/km2)|
|Time zone||UTC−6 (Central)|
|• Summer (DST)||UTC−5 (CDT)|
Phillips County is a county of the U.S. state of Arkansas, in what is known as the Arkansas Delta along the Mississippi River. As of the 2010 census, the population was 21,757. The county seat is Helena-West Helena. It was founded on May 1, 1820.