Founded on Feb 3, 1801, Clark County is one of 92 counties in the state of Indiana. Historically, Clark County was formed from Knox County. The city of Jeffersonville is the county seat. With FIPS code of 19, Clark County has a population of 122,738 and area of 373 square miles (966 km2).
List of all cities in Clark County, IN alphabetically
| City/Town | Postal Code | Area Code |
| Agricultural Census, IN | 47144 | 812 |
| Bethlehem, IN | 47104 | 812 |
| Borden, IN | 47106 | 812 |
| Bureau of Census Decennial, IN | 47190 | 812 |
| 47199 | 812 | |
| Bureau of the Census, IN | 47132 | 812 |
| 47133 | 812 | |
| 47134 | 812 | |
| Cementville, IN | 47129 | 812 |
| 47130 | 812 | |
| Charlestown, IN | 47111 | 812 |
| Clarksville, IN | 47129 | 812 |
| 47131 | 812 | |
| Henryville, IN | 47126 | 812 |
| Jeff, IN | 47129 | 812 |
| 47130 | 812 | |
| Jeffersonville, IN | 47129 | 812 |
| 47130 | 812 | |
| 47131 | 812 | |
| 47132 | 812 | |
| 47133 | 812 | |
| 47134 | 812 | |
| 47144 | 812 | |
| 47190 | 812 | |
| 47199 | 812 | |
| Marysville, IN | 47141 | 812 |
| Memphis, IN | 47143 | 812 |
| Nabb, IN | 47147 | 812 |
| New Washington, IN | 47162 | 812 |
| Otisco, IN | 47163 | 812 |
| Sellersburg, IN | 47172 | 812 |
| Speed, IN | 47172 | 812 |
| Starlight, IN | 47106 | 812 |
| Utica, IN | 47130 | 812 |
| Watson, IN | 47130 | 812 |