Founded on November 2, 1829, Jefferson County is one of 75 counties in the state of Arkansas. Historically, Jefferson County was formed from Arkansas and Pulaski. The city of Pine Bluff is the county seat. With FIPS code of 69, Jefferson County has a population of 65,861 and area of 913.70 square miles (2,366 km2).
List of all cities in Jefferson County, AR alphabetically
| City/Town | Postal Code | Area Code |
| Altheimer, AR | 72004 | 870 |
| Arsenal, AR | 71601 | 870 |
| Hardin, AR | 71601 | 870 |
| Haywood, AR | 72152 | 870 |
| Humphrey, AR | 72073 | 870 |
| Jefferson, AR | 72079 | 870 |
| Jefferson Square, AR | 71601 | 870 |
| Kearney, AR | 72132 | 501 |
| Linwood, AR | 71659 | 870 |
| Moscow, AR | 71659 | 870 |
| Orion, AR | 72132 | 501 |
| Pastoria, AR | 72152 | 870 |
| Pine Bluff, AR | 71601 | 870 |
| 71602 | 870 | |
| 71603 | 870 | |
| 71611 | 870 | |
| 71612 | 870 | |
| 71613 | 870 | |
| Plum Bayou, AR | 72182 | 870 |
| Redfield, AR | 72132 | 501 |
| Reydell, AR | 72133 | 870 |
| Sherrill, AR | 72152 | 870 |
| Tucker, AR | 72168 | 870 |
| Wabbaseka, AR | 72175 | 870 |
| White Hall, AR | 71602 | 870 |
| 71612 | 870 | |
| Wright, AR | 72182 | 870 |
Map of Cities in Jefferson County, AR
