Founded on April 1, 1820, Miller County is one of 75 counties in the state of Arkansas. Historically, Miller County was formed from Lafayette County. The city of Texarkana is the county seat. With FIPS code of 91, Miller County has a population of 42,649 and area of 637.48 square miles (1,651 km2).
List of all cities in Miller County, AR alphabetically
| City/Town | Postal Code | Area Code |
| Doddridge, AR | 71834 | 870 |
| Fouke, AR | 71837 | 870 |
| Garland City, AR | 71839 | 870 |
| Genoa, AR | 71840 | 870 |
| Texarkana, AR | 71854 | 870 |
Map of Cities in Miller County, AR
