Founded in 1792, Logan County is one of 120 counties in the state of Kentucky. Historically, Logan County was formed from Lincoln County. The city of Russellville is the county seat. With FIPS code of 141, Logan County has a population of 27,771 and area of 556 square miles (1,440 km2).
List of all cities in Logan County, KY alphabetically
| City/Town | Postal Code | Area Code |
| Adairville, KY | 42202 | 270 |
| Auburn, KY | 42206 | 270 |
| Cave Spring, KY | 42276 | 270 |
| Cooperstown, KY | 42276 | 270 |
| Daysville, KY | 42276 | 270 |
| Gordonsville, KY | 42276 | 270 |
| Lewisburg, KY | 42256 | 270 |
| Oakville, KY | 42276 | 270 |
| Olmstead, KY | 42265 | 270 |
| Quality, KY | 42256 | 270 |
| Richelieu, KY | 42206 | 270 |
| Russellville, KY | 42276 | 270 |
| South Union, KY | 42283 | 270 |